The rhythmic clatter of mechanical keyboards, once a badge of honor for enthusiasts, has become a modern workplace battleground. Picture this: you’re deep in flow state, crafting the perfect report, when the staccato click-clack from the next desk shatters your concentration. Or perhaps you’re working remotely, trying to avoid waking a sleeping baby, only to realize your beloved mechanical board sounds like a tiny typewriter factory. These scenarios are increasingly common as mechanical keyboards gain popularity, yet their inherent noise profile clashes with the quiet expectations of shared living and open-plan offices. The frustration is real—both for the typist craving that satisfying tactile feedback and the listener desperate for peace.
Thankfully, the notion that mechanical keyboards must be unavoidably loud is a persistent myth. Significant advancements in switch design, case engineering, and customization options mean it’s entirely possible to enjoy the durability and precision of mechanical key switches without disturbing others. This guide cuts through the noise (pun intended) to focus on actionable solutions. We’ll explore the science behind keyboard acoustics, the critical components that influence sound levels, and the practical steps you can take—whether you’re buying new or modifying an existing board—to transform your typing experience from disruptive to discreet. Forget chasing fleeting “top 10” lists; understanding the why and how of quiet typing empowers you to make the right choice for your unique environment.
Top 10 Quiet Mechanical Keyboards
Detailed Product Reviews
1. SOLAKAKA KI99 Pro Wireless Mechanical Keyboard Quiet Switch,Hot Swappable Pre-Lubed Switches Silent Keyboard with RGB Backlit,Gasket Structure Computer Gaming Keyboards(BlackBlue, Silent Switch)
Overview: The SOLAKAKA KI99 Pro is a premium 96% layout wireless mechanical keyboard designed for quiet, immersive typing and gaming. It emphasizes noise reduction and customization through advanced engineering.
What Makes It Stand Out: Its standout features include a sophisticated gasket mount structure with five noise-dampening layers, pre-lubed silent switches, and hot-swappable 3/5-pin sockets for effortless switch customization. The integrated control knob for volume/media, triple-mode connectivity (BT5.0/2.4G/USB-C), and 10,000mAh battery for extended use further elevate it. PBT keycaps ensure durability and comfort.
Value for Money: Priced mid-to-high range, it offers exceptional value for users prioritizing silence and modularity. The gasket structure and pre-lubed switches typically appear in costlier builds, while the hot-swap capability eliminates the need for soldering, saving long-term customization costs compared to non-hot-swap alternatives.
Strengths and Weaknesses: Strengths: Exceptionally quiet typing; robust wireless performance; versatile connectivity; superb build quality with PBT keycaps; intuitive control knob. Weaknesses: 96% layout lacks dedicated arrow keys for some; RGB customization is limited without software; knob functionality is basic compared to premium competitors.
Bottom Line: Ideal for office users and gamers seeking a silent, customizable wireless experience. Its thoughtful noise reduction and hot-swap flexibility justify the price, making it a top choice for quiet productivity and personalized setups.
2. Redragon K668 RGB Gaming Keyboard, 108 Keys Wired Mechanical Keyboard w/Extra 4 Hotkeys, Sound Absorbing Foams, Upgraded Hot-swappable Socket, Mixed Color Keycaps x 2 Sets, Red Switch
Overview: The Redragon K668 is a full-size wired mechanical keyboard targeting gamers and enthusiasts with hot-swappable switches, vibrant RGB, and dual keycap sets for customization.
What Makes It Stand Out: It features truly hot-swappable sockets compatible with all major 3/5-pin switches, two included PBT keycap sets (mixed colors), and 3.5mm sound-absorbing foam for cleaner acoustics. The 108-key layout adds four programmable hotkeys, while onboard RGB controls offer 19 presets and music-sync modes without software.
Value for Money: An outstanding budget option under $70, it delivers premium features like hot-swap sockets and dual keycaps rarely found at this price. Competitors often charge significantly more for similar modularity, making it ideal for tinkerers and RGB lovers seeking affordability.
Strengths and Weaknesses: Strengths: Excellent value; versatile hot-swap support; includes two keycap sets; effective sound dampening; extensive onboard RGB controls. Weaknesses: Software (for macros) is less intuitive than rivals; stock keycaps lack uniform dye-sublimation; build quality feels less premium than higher-end models.
Bottom Line: Highly recommended for budget-conscious gamers and modders. Its hot-swap ease, dual keycaps, and vibrant lighting provide immense customization for the price, though enthusiasts may desire more refined software or build materials.
3. SteelSeries Apex 3 RGB Gaming Keyboard – 10-Zone RGB Illumination – IP32 Water Resistant – Premium Magnetic Wrist Rest (Whisper Quiet Gaming Switch)
Overview: The SteelSeries Apex 3 is a spill-resistant, membrane-based gaming keyboard focused on durability, comfort, and accessible RGB lighting, featuring quiet switches and a magnetic wrist rest.
What Makes It Stand Out: Its IP32 rating protects against minor spills, while the “whisper quiet” membrane switches offer near-silent operation—rare for gaming peripherals. The 10-zone RGB illumination, dedicated media controls, and premium magnetic wrist rest enhance usability and aesthetics without complex setup.
Value for Money: Priced affordably ($40-$60), it delivers exceptional durability and comfort for casual gamers and office users. The included wrist rest and spill resistance add tangible value, outperforming similarly priced membranous competitors in build and features.
Strengths and Weaknesses: Strengths: Reliable water resistance; comfortable magnetic wrist rest; quiet operation; intuitive RGB zones; robust media controls. Weaknesses: Membrane switches lack mechanical tactility; RGB software-dependent for full customization; non-hot-swappable (not mechanical).
Bottom Line: Perfect for quiet environments or users needing spill protection. While not a true mechanical keyboard, its comfort, durability, and value make it a smart pick for casual use—avoid if tactile feedback is essential.
4. Cherry KC 200 MX, Wired Mechanical Office Keyboard, Modern Design with Elegant Aluminum Surface, USB-A Connection, MX2A Silent RED Switches, Black/Bronze
Overview: The Cherry KC 200 MX is a sleek, wired mechanical office keyboard built for professional environments, featuring silent linear switches and an aluminum top plate for durability.
What Makes It Stand Out: It utilizes Cherry’s proprietary MX2A Silent RED switches—linear, ultra-quiet, and rated for 50 million keystrokes—paired with an elegant anodized aluminum surface. Laser-etched keycaps, dedicated calculator/volume keys, and white status LEDs enhance office functionality.
Value for Money: Positioned as a premium office keyboard ($80-$100), it justifies its cost with exceptional build quality, silent operation, and Cherry’s legendary switch reliability. It outperforms most membrane office keyboards and competes well against mid-tier mechanicals in noise-sensitive workplaces.
Strengths and Weaknesses: Strengths: Near-silent typing; premium aluminum build; highly durable keycaps; practical office-centric layout; unmatched switch longevity. Weaknesses: Wired-only (no wireless); basic RGB/backlighting absent; limited multimedia controls compared to gaming boards.
Bottom Line: The definitive choice for professionals needing a quiet, durable mechanical keyboard. Its focus on office ergonomics and silent performance makes it worth the investment for long typing sessions, though gamers may find it too restrained.
5. Logitech MX Mechanical Wireless Illuminated Performance Keyboard, Tactile Quiet Switches, Backlit Keys, Bluetooth, USB-C, macOS, Windows, Linux, iOS, Android, Metal, Graphite
Overview: Logitech’s MX Mechanical is a high-end wireless productivity keyboard with tactile quiet switches, multi-OS compatibility, and smart illumination, designed for seamless cross-device workflows.
What Makes It Stand Out: It offers ultra-quiet tactile switches, adaptive backlighting that activates on hand approach, and Logi Options+ software for deep customization (e.g., Flow cross-computer control). Its aluminum top plate, low-profile keys, and triple-OS support (via Bluetooth/Bolt) cater to professionals.
Value for Money: At $130-$150, it’s a premium investment, but excels for multi-device users. Features like Flow, OS-specific key mapping, and exceptional build quality provide long-term efficiency gains that offset the cost versus single-OS alternatives.
Strengths and Weaknesses: Strengths: Best-in-class multi-device management; superb quiet tactile feedback; intelligent backlighting; premium metal build; extensive software customization. Weaknesses: High price; limited RGB (only per-key lighting, not full RGB); no hot-swap capability.
Bottom Line: Highly recommended for professionals juggling multiple devices. Its seamless integration, quiet operation, and Logi ecosystem justify the premium price, though mechanical enthusiasts may prefer hot-swap options elsewhere.
6. LexonElec M96 Wireless Keyboard, Low Profile Quiet Typing Membrane Gaming Keyboard with Smart Display & Knob, RGB Backlit, USB C Rechargeable, 94 Keys PBT Keycap for Windows PC, Mac, Linux-BlackBerry
Overview:
This wireless membrane keyboard targets users seeking quiet operation and multi-device flexibility. Despite “gaming” in its title, it prioritizes office and casual use with its membrane construction and smart display features.
What Makes It Stand Out:
The integrated OLED display and physical knob excel for real-time battery monitoring, volume control, and backlight adjustments. Triple connectivity (Bluetooth 5.0/3.0 + 2.4GHz) allows seamless switching between three devices. The 94-key 90% layout balances compactness with dedicated arrow keys, while the 3000mAh battery offers 60 hours of RGB use—impressive for membrane keyboards.
Value for Money:
Priced mid-range, it delivers exceptional utility for hybrid workspaces. The display/knob combo and robust battery life outperform similarly priced membrane alternatives, though mechanical enthusiasts may find it lacking depth for serious gaming.
Strengths and Weaknesses:
Pros: Ultra-quiet typing, superb battery life, intuitive display/knob, wide OS compatibility, ergonomic height adjustment.
Cons: Membrane keys lack tactile feedback (misleading “gaming” label), pairing complexity for BT2 channel, RGB feels gimmicky on non-mechanical switches.
Bottom Line:
Ideal for office workers and multi-device users needing silent, reliable input—but skip if you crave mechanical responsiveness. A niche gem for productivity-focused environments.
7. Kisnt KN85 Wireless Mechanical Gaming Keyboard, 75% Layout with RGB Backlit, Custom Hot Swappable, Creamy Sound, Bluetooth/2.4GHz/USB-C Compatible with Windows/Mac/PC(Retro Beige,Linear Switch)
Overview:
A budget-friendly 75% mechanical keyboard blending retro aesthetics with modern hot-swap customization. Designed for space-constrained desks, it emphasizes “thocky” acoustics and tri-mode connectivity for gamers and typists.
What Makes It Stand Out:
Hot-swappable switches (3/5-pin) let beginners customize switches without soldering—a rarity at this price. The gasket mount, silicone dampeners, and foam layers create a uniquely creamy, quiet typing sound. Tri-mode connectivity (Bluetooth/2.4GHz/USB-C) and 4000mAh battery (200+ hrs) ensure versatility.
Value for Money:
An outstanding entry point for mechanical customization. Competing keyboards rarely include foam mods or hot-swap at this cost, though macro software is Windows-exclusive—a drawback for Mac users.
Strengths and Weaknesses:
Pros: Excellent sound dampening, buttery pre-lubed linear switches, hot-swap capability, compact 75% layout, long battery life.
Cons: macOS macro limitations, RGB software lacks depth, beige keycaps show wear faster.
Bottom Line:
Highly recommended for customization newbies and minimalist setups. Delivers premium acoustic tuning at a fraction of competitors’ prices—just manage macOS macro expectations.
8. AULA S99 Gaming Keyboard, Wireless Computer Keyboards, Tri-Mode Bluetooth/2.4GHz/USB-C Custom Creamy Keyboard with Number Pad, RGB Backlit Media Knob Cute Programmable Keyboard for PC Gamer - Green
Overview:
A vibrant membrane keyboard with retro charm, targeting casual users who prioritize aesthetics and basic programmability over mechanical performance. Its “creamy” claim refers to visual style, not sound.
What Makes It Stand Out:
Dual rotary knobs enable instant volume/lighting adjustments—a rarity in budget membrane boards. The 96% layout retains a numeric pad while staying compact, and full-key macro programming suits office/gaming hybrids. Tri-mode connectivity adds flexibility.
Value for Money:
Affordable for its feature set, but undercut by true mechanical alternatives. Membrane keys limit longevity, yet the cute design, knobs, and 1-year warranty justify cost for style-focused buyers.
Strengths and Weaknesses:
Pros: Eye-catching retro design, dual-knob convenience, full macro support, ergonomic foldable stand, broad OS compatibility.
Cons: Membrane keys feel mushy, no hot-swap/customization, RGB software is basic, “creamy” misrepresents sound profile.
Bottom Line:
Best for users wanting a playful, functional office keyboard—not gamers. Sacrifices tactile feedback for aesthetics but excels as a decorative productivity tool.
9. AUSDOM 98Pro Silent Mechanical Keyboard, Wireless Hot Swappable Gaming Keyboard with Backlit,Gasket Structure,Pre-lubed Tactile Switches,2.4GHz/Type-C/Bluetooth Custom Keyboards (Green & White-Silent)
Overview:
A silent-focused mechanical keyboard engineered for open offices, combining gasket mounting, sound-dampening foam, and proprietary tactile switches to minimize noise without sacrificing feedback.
What Makes It Stand Out:
Self-developed silent tactile switches offer clear actuation with near-quiet operation—ideal for shared spaces. The gasket structure and quad-layer foam reduce resonance significantly, while tri-mode connectivity (5-device pairing) and hot-swap sockets (3/5-pin) enable deep customization.
Value for Money:
Packs premium features (gasket mount, silent switches) at a mid-tier price. Outperforms similarly priced boards in noise reduction, though RGB customization lags behind高端 competitors.
Strengths and Weaknesses:
Pros: Exceptionally quiet typing, robust gasket construction, versatile connectivity, included switch puller, 97-key compact layout.
Cons: Tactile switches may not suit linear fans, RGB effects feel dated, no dedicated media keys.
Bottom Line:
A top pick for office warriors needing mechanical precision without disturbance. Prioritizes acoustic comfort over flashy extras—worth every penny for noise-sensitive environments.
10. HUO JI E-Yooso Creamy Mechanical Keyboard Wired, Hot Swappable, Pre-lubed Linear Switches, Gasket Structure with Sound Dampening Foam, RGB Backlit, 99 Keys Custom Gaming Keyboard for PC/Mac,White
Overview:
A wired-only mechanical keyboard emphasizing acoustic refinement, featuring extensive sound dampening and pre-lubed linear switches for a “creamy” typing experience. Targets customization seekers on a budget.
What Makes It Stand Out:
Four layers of foam and a gasket structure slash hollow sounds by 80%, creating a uniquely deep, muted “thock.” The 99-key 96% layout retains arrow/number pads in a compact frame, while hot-swap sockets and included tools simplify modding.
Value for Money:
Unbeatable for acoustic tuning at this price. The foam/gasket combo rivals $100+ boards, though wired-only connectivity limits flexibility versus wireless rivals.
Strengths and Weaknesses:
Pros: Superb sound dampening, smooth pre-lubed switches, full anti-ghosting, durable PBT keycaps, rich RGB effects.
Cons: Wired-only (USB-C to USB-A), no Bluetooth, white case shows stains, limited height adjustment.
Bottom Line:
A must-try for foam-mod enthusiasts wanting premium acoustics affordably. Skip if you need wireless, but ideal for desktop-bound users chasing that perfect “creamy” sound.
Understanding the Source of Keyboard Noise
The Physics of Key Switch Sounds
Every keystroke generates sound through multiple physical interactions: the keycap hitting the switch housing, the switch stem colliding with the base when bottomed out, the stabilizers rattling under larger keys, and the case resonating. High-pitched clicks often come from the switch mechanism itself (like the snap of a clicky switch), while deeper thuds result from bottoming out or case vibrations. Recognizing these distinct sources is the first step toward targeted noise reduction.
Why Mechanical Keyboards Seem Louder Than Membrane Types
Membrane keyboards use rubber domes that absorb impact and muffle sound significantly. Mechanical switches, with their rigid plastic components and metal springs, transmit vibrations more efficiently, creating sharper, more resonant noises. However, this very structure allows for precise engineering interventions to dampen specific sound frequencies, offering a path to quietness that membrane keyboards can’t match through their inherent design limitations.
Key Factors Influencing Keyboard Acoustics
Switch Type: The Core Determinant
The internal mechanism of the switch is the single biggest factor in noise generation. Linear switches (smooth press without tactile bump) are generally quieter than tactile or clicky variants. Within linear switches, dedicated “silent” models incorporate specialized designs like rubber dampeners or dual-stage springs specifically to absorb the sound of bottoming out, the loudest part of the keystroke.
Actuation Force and Travel Distance Dynamics
A switch with lighter actuation force often requires less downward pressure, potentially reducing the speed and impact of bottoming out. Similarly, shorter travel distances mean the keycap has less distance to accelerate before hitting the base, which can lessen the resulting “thock” or “clack.” Balancing these specs with your typing style is crucial for minimizing noise without sacrificing comfort.
Case Construction and Material Science
The keyboard’s chassis acts as a sounding board. Dense materials like aluminum naturally dampen vibrations better than thin plastic. Thicker cases and internal padding (like foam or silicone sheets) absorb resonant frequencies. Some designs even incorporate intricate internal baffles or multiple layers of material to trap and dissipate sound waves before they escape the enclosure.
Optimizing Switch Selection for Quiet Operation
Linear Switches: The Foundation for Quiet Typing
Opting for a linear switch eliminates the audible “click” associated with tactile or clicky switches. Models designed explicitly for quietness go further, integrating small rubber o-rings at the bottom of the switch stem or using a secondary spring mechanism to cushion the impact. This targeted dampening significantly reduces the sharp noise of bottoming out while maintaining the smooth keystroke feel.
The Critical Role of Bottoming Out Control
How hard and fast you hit the bottom of the switch stroke is a major noise contributor, often more so than the switch type itself. Silent switches excel here by physically preventing the stem from making a hard impact. Even with standard linear switches, developing a lighter touch or using keycap height/style that encourages shallower actuation can dramatically lower volume.
Debunking the Silent Switch Trade-Off Myth
A common misconception is that silent switches feel mushy or compromise performance. Modern engineering has largely overcome this. High-quality silent variants maintain consistent actuation force and smooth travel, offering near-identical typing feel to their standard counterparts but with drastically reduced acoustic output. The trade-off is often minimal to non-existent for most users.
Enhancing Quietness Through Physical Modifications
The Power of Internal Damping Foam
Filling the空 cavity inside the keyboard case with specialized acoustic foam is one of the most effective mods. This foam absorbs the resonant “ping” and hollow echoes caused by the PCB vibrating against the case. Dense, closed-cell foams are particularly effective at targeting mid-to-high frequencies without making the board feel overly muted or dead.
Lubrication: Smoothing the Mechanics
Applying the correct lubricant to specific switch components (stems, springs, housings) reduces internal friction and vibration. This minimizes high-pitched squeaks and grinds, leading to a cleaner, quieter keystroke. It’s a delicate process requiring precision, but even basic spring lubing can yield noticeable reductions in unwanted mechanical noise.
Stabilizer Tuning for Larger Keys
Spacebars and long keys rely on stabilizers, which are notorious for rattling and producing loud, distracting clacks. Properly lubing stabilizer wires and housing, ensuring correct clip tension, and sometimes replacing stock stabilizers with higher-quality, pre-lubed variants (like costar or plate-mounted types) are essential steps for eliminating these disruptive noises.
Keycap Selection’s Impact on Sound Profile
Material Matters: ABS vs PBT and Beyond
PBT plastic keycaps are denser and less resonant than thinner ABS caps. This density results in a deeper, more muted “thock” sound upon bottoming out compared to the higher-pitched “clack” of ABS. Thicker keycaps, particularly doubleshot or PBT with thicker walls, further dampen vibrations and contribute to an overall quieter profile.
Profile Influence on Impact Dynamics
Keycap profile affects how and where your finger strikes the key. Lower-profile keys (like DSA or OEM) often encourage a shallower, lighter typing motion compared to taller keycaps (like Cherry profile), potentially reducing the force and noise of bottoming out. The shape influences your natural typing rhythm and impact point, indirectly shaping the acoustic output.
The O-Ring Controversy: A Temporary Fix?
While silicone o-rings placed under keycaps can dampen bottoming out noise, they often introduce new problems. They can create a mushy feel, reduce key travel inconsistently, wear out quickly, and sometimes even amplify certain frequencies. Dedicated silent switches or proper case damping are generally more effective and reliable long-term solutions than o-rings.
Environmental and Usage Considerations
Surface Acoustics: What’s Under Your Keyboard?
The surface your keyboard rests on significantly amplifies or dampens sound. Hard surfaces like glass or thin wood desks act as resonators, making noise worse. Using a dense desk mat, a mousepad with padding, or even a small rubber mat underneath the keyboard absorbs vibrations and prevents the desk itself from becoming part of the noise problem.
Typing Technique: The Human Element
Your personal typing style is a major variable. Heavy-handed typists generate significantly more noise regardless of the keyboard. Practicing a lighter touch, focusing on actuating the switch without forcefully bottoming out, and maintaining relaxed wrists can yield immediate noise reductions. It’s a skill that complements hardware choices perfectly.
Context is King: Defining “Quiet Enough”
What constitutes “quiet” depends entirely on your environment. A board suitable for a noisy coffee shop might still be disruptive in a silent library or a baby’s nursery. Assess the specific noise tolerance of your primary workspace before setting unrealistic expectations. Sometimes, moderate noise reduction combined with good etiquette is more practical than chasing absolute silence.
Making an Informed Purchase Decision
Researching Beyond Marketing Hype
Look past terms like “ultra-quiet” and dig into detailed reviews focusing on sound tests. Seek out videos with close-up microphone recordings in quiet rooms, not just subjective descriptions. Pay attention to whether reviewers mention specific noise sources (stabilizer rattle, spring ping, bottoming thock) that might be problematic for you.
Prioritizing Your Specific Noise Triggers
Identify what bothers you or others most: is it the high-pitched click, the deep thud of bottoming out, or the rattle of the spacebar? This helps prioritize features. If bottoming out is the main issue, silent switches are paramount. If stabilizer noise is the culprit, look for boards known for good stabilizer tuning or ease of modding.
The Value of Modularity and Serviceability
Consider how easy it is to maintain and modify the keyboard long-term. Boards with hot-swappable switches allow you to experiment with different silent switch types without soldering. Easy access to the case for adding foam or tuning stabilizers means you can continuously refine the sound profile as your needs or preferences evolve.
Frequently Asked Questions
How can I make my existing mechanical keyboard quieter without buying a new one?
Internal foam damping, lubricating stabilizers, and potentially switching to PBT keycaps are the most effective modifications. Addressing stabilizer noise and case resonance often yields the biggest immediate improvements in an unmodded board.
Are silent mechanical switches noticeably slower or less responsive?
No, high-quality silent switches are engineered to maintain the same actuation point and force as their standard counterparts. The dampening mechanism affects only the very end of the keystroke (bottoming out), which occurs after the keypress has already been registered, so responsiveness remains identical.
Do rubber dome keyboards make the best quiet alternative to mechanical?
While generally quieter out-of-the-box, membrane keyboards lack the precision, durability, and tactile feedback many users prefer. Modern quiet mechanical options often provide a superior typing experience with noise levels comparable to or only slightly above good membrane boards, plus greater longevity.
Can typing technique really make that much difference in noise?
Absolutely. Learning to type with a lighter touch, minimizing bottoming out, and maintaining relaxed hands can reduce perceived noise by 30-50% or more, regardless of the keyboard. It’s the most cost-effective noise reduction strategy available.
Are low-profile mechanical keyboards inherently quieter than standard ones?
Not necessarily. While their shorter key travel can reduce bottoming out force, the noise profile depends more on switch type, case construction, and keycaps. Some low-profile switches are actually quite loud. Focus on the specific acoustic design elements rather than profile alone.
Will adding foam inside my keyboard affect the typing feel?
Properly installed acoustic foam primarily dampens case resonance and high-frequency pings, not the physical feel of the keystroke. You might notice a slightly deeper, more solid “thock” sound, but the tactile feedback and actuation force of the switches themselves remain unchanged.
How important is the keyboard case material for noise reduction?
Very important. Aluminum cases naturally dampen vibrations better than plastic due to their density and mass. Thicker plastic cases with internal padding also perform well. Thin, hollow plastic cases act like a drum, amplifying all keyboard noises significantly.
Do silent switches require special maintenance?
Generally, no. They function like standard switches but with integrated dampeners. The rubber components in some silent designs could theoretically degrade over many years (5-10+), but this is rarely a practical concern for most users during the keyboard’s typical lifespan.
Can I use any type of lubricant for stabilizers or switches?
No, using the wrong lubricant (like petroleum jelly or WD-40) can damage plastic components, attract dust, or become gummy. Always use switch-specific lubes designed for plastics and electronics – typically synthetic oils and greases with the correct viscosity and material compatibility.
Is it possible to have a completely silent mechanical keyboard?
No mechanical keyboard is truly silent; the physical actuation will always produce some sound. However, the quietest modern options, especially when modified, can reach noise levels very close to high-quality membrane keyboards, making them suitable for most shared environments when combined with good typing technique.