Tangled cables snaking across your desk, the frantic search for that one elusive HDMI adapter buried in a drawer, and the daily ritual of connecting five separate peripherals just to start work—it’s enough to drain your productivity before your first cup of coffee even cools. For remote workers and home office warriors, a cluttered setup isn’t just annoying; it’s a constant friction point that chips away at focus and makes the transition between “laptop mode” and “serious workstation” feel like a chore. Imagine instead a single, clean cable connecting your laptop to a fully expanded hub where monitors spring to life, peripherals wake up instantly, and charging happens seamlessly—all with one smooth plug-in motion. That’s the transformative power of a well-chosen laptop dock, turning your cramped corner desk into a professional command center without demanding a premium budget.
Gone are the days when docks were exclusive luxury accessories. Today’s home office demands flexibility, scalability, and simplicity, especially when every dollar counts. Whether you’re juggling video calls on dual screens, managing spreadsheets while referencing documents on a third monitor, or simply craving the ergonomics of an external keyboard and mouse, a budget-friendly dock under $100 can be the unsung hero of your workflow. But navigating the sea of options requires knowing exactly what features matter for your specific needs—not just the marketing hype. Let’s cut through the noise and focus on the practical, essential considerations that turn an inexpensive dock from a potential headache into your most reliable home office ally, ensuring you get maximum functionality without overspending.
Top 10 Laptop Docks
Detailed Product Reviews
1. Anker Laptop Docking Station Dual Monitor, 8-in-1 USB C Hub, 4K Dual Monitor with 2 HDMI, 1 Gbps Ethernet Hub, 85W Power Delivery, SD Card Reader, for XPS and More (Charger not Included)
Overview:
This compact 8-in-1 USB-C hub targets professionals needing versatile connectivity from a single port. It supports dual 4K displays, high-speed data transfer, and pass-through charging, catering to Windows and ChromeOS users while explicitly excluding Linux compatibility.
What Makes It Stand Out:
Anker leverages its reputation for reliability with seamless dual 4K@30Hz HDMI output (4K@60Hz for single displays), 85W Power Delivery, and a rare microSD/SD card reader in this form factor. Its universal compatibility with USB-C, USB4, and Thunderbolt 3/4 devices across major OS platforms (except Linux) ensures broad usability.
Value for Money:
Priced competitively under $100, it outperforms generic hubs with Anker’s build quality and 18-month warranty. While the excluded charger adds cost, the inclusion of Ethernet and dual display support justifies the premium over basic 5-in-1 alternatives.
Strengths and Weaknesses:
Strengths: Reliable dual-monitor setup; robust Ethernet for stable connections; includes SD card slot; Anker’s trusted durability. Weaknesses: Dual 4K limited to 30Hz; macOS forces mirrored displays; charger sold separately; no USB-C data ports.
Bottom Line:
Ideal for Windows users needing dual monitors and SD card access, though Mac limitations and the missing charger slightly reduce appeal. A solid mid-range choice for home offices.
2. Dell Pro Dock WD25 - USB Type-C with DP Alt Mode Connector, DisplayPort/HDMI/USB 3.2 Gen2 Connectivity, Up to 100-Watt Power delivery - Black
Overview:
Engineered for enterprise environments, this dock delivers robust connectivity and management features for commercial workspaces, supporting up to four high-resolution displays and 100W Power Delivery.
What Makes It Stand Out:
Dell excels with IT-friendly attributes: ambidextrous cable routing, sustainable construction (65% recycled materials), and a 72% standby power reduction. Native four-display support, enhanced USB 3.2 Gen 2 speeds, and seamless integration with Dell AI PCs set it apart for corporate deployments.
Value for Money:
At a $150–$180 price point, it’s pricier than consumer docks but justified for businesses needing scalable management, durability, and eco-certifications. The 100W PD and broader display compatibility offer long-term ROI in professional settings.
Strengths and Weaknesses:
Strengths: Four-display capability; exceptional IT manageability; eco-conscious design; sturdy USB-C connector; high-power delivery. Weaknesses: Premium cost deters casual users; limited non-Dell optimization; no SD card reader; macOS multi-display restrictions apply.
Bottom Line:
A top-tier investment for enterprises prioritizing sustainability, manageability, and multi-monitor productivity, though overkill for solo professionals.
3. UGREEN 7 in 1 Docking Station Dual Monitor, USB C Hub Dual 4K@60Hz HDMI Display, 10Gbps USB-A/C Data Ports, 100W PD, Aluminum Revodok Pro Laptop Docking Station for HP, Thinkpad, Dell and More
Overview:
This aluminum-clad 7-in-1 dock boasts dual 4K@60Hz HDMI outputs and blistering 10Gbps data ports, targeting power users needing high-resolution multitasking and rapid file transfers.
What Makes It Stand Out:
UGREEN’s standout feature is true dual 4K@60Hz support—a rarity in docks under $120. The premium aluminum build, dual 10Gbps USB-C data ports, and 100W PD (with included adapter requirements) cater to creative professionals demanding speed and clarity.
Value for Money:
Competitively priced near $110, it outperforms rivals with superior display specs and transfer speeds. However, macOS users must note the mirror-mode limitation, reducing value for Apple-centric workflows compared to Windows-focused alternatives.
Strengths and Weaknesses:
Strengths: Dual native 4K@60Hz; 10Gbps transfer speeds; sleek aluminum chassis; 100W PD; broad Windows/Linux compatibility. Weaknesses: Macs limited to mirrored displays; no Ethernet port; 10Gbps requires compatible cables; SD card slot absent.
Bottom Line:
Excellent for Windows users needing high-refresh dual 4K, but avoid if macOS extended displays are essential. A speed-focused powerhouse with minor connectivity gaps.
4. Anker Laptop Docking Station, 13-in-1 USB-C Docking Station, Triple Display with 2xHDMI and 1xDP, 10 Gbps USB-C and 5 Gbps USB-A Data, Ethernet, Audio, SD, 85W Charging for Dell, HP, Lenovo and More
Overview:
Anker’s most expansive hub enables triple-monitor setups via HDMI and DisplayPort, alongside extensive ports for peripherals, targeting desktop-replacement scenarios for Windows laptops.
What Makes It Stand Out:
Triple 1080p@60Hz display support—unmatched in Anker’s lineup—and simultaneous device charging (85W laptop + 18W phone) are key differentiators. The 13-in-1 versatility, including SD/microSD slots and Ethernet, eliminates dongle clutter for hybrid workspaces.
Value for Money:
Priced around $130, it’s cost-effective for triple-display needs, undercutting premium docks. The included cables and Anker’s reliability enhance value, though the 85W PD (vs. 100W in competitors) may disappoint power-hungry laptops.
Strengths and Weaknesses:
Strengths: Triple-monitor capability; comprehensive port selection; simultaneous charging; robust build; SD card flexibility. Weaknesses: Max 1080p triple display; macOS mirror limitation; no 4K@60Hz dual output; Linux incompatible.
Bottom Line:
The go-to for Windows users requiring three screens and all-in-one connectivity, but not ideal for 4K enthusiasts or Mac professionals.
5. Anker Nano Laptop Docking Station with Detachable Hub, 13-in-1 USB-C Triple Display Docking with 2 HDMI+1 DP, 10 Gbps USB-C, 3 USB-A, Audio, SD/TF, Ethernet, 100W Max PD for Dell, Lenovo, HP, and More
Overview:
This innovative dock combines a full 13-in-1 workstation with a detachable 6-in-1 hub, offering triple 4K display support and included 140W power adapter for seamless transitions between desk and mobile use.
What Makes It Stand Out:
The removable hub is revolutionary—use the dock for triple displays or snap off a compact hub for travel. Bundled 140W adapter, 100W PD, and triple 4K@60Hz support (Windows) cater to demanding users, while the aluminum build ensures portability without sacrificing durability.
Value for Money:
At $160–$180, the included high-wattage adapter and dual-use design justify the cost versus docks selling chargers separately. It’s a premium investment, but the versatility for hybrid workers delivers unmatched long-term utility.
Strengths and Weaknesses:
Strengths: Detachable hub for mobility; triple 4K@60Hz; 100W PD with included adapter; extensive port coverage; sleek modular design. Weaknesses: macOS restricts to mirrored displays; hub lacks video output; premium price; no DisplayPort on detachable unit.
Bottom Line:
A game-changer for mobile professionals needing desktop power on the go. Worth the splurge for ultimate flexibility, despite macOS limitations.
6. 13 in 1 USB C Docking Station - Dual Monitor, Triple Display, 8 USB C/A Ports, Ethernet, Audio - LIONWEI USB C Hub for MacBook,Dell,HP,Lenovo,Surface
Overview: The LIONWEI 13-in-1 Docking Station offers extensive connectivity for modern laptops, featuring triple display support, multiple high-speed ports, and Power Delivery. It targets professionals needing expanded desktop functionality from a single USB-C port.
What Makes It Stand Out: Its triple-monitor capability (via dual HDMI and DisplayPort) is rare at this tier, supporting 4K@60Hz on Windows. The inclusion of both USB-C 3.1 (10Gbps) and legacy USB 2.0 ports ensures broad peripheral compatibility. The 18-month warranty also exceeds industry standards.
Value for Money: Priced mid-range, it delivers exceptional port density and triple-display versatility unmatched by cheaper hubs. While the effective 87W charging (after 13W hub draw) may disappoint MacBook users needing full power, the comprehensive feature set justifies the cost for Windows-centric workflows.
Strengths and Weaknesses: Pros: Triple 4K display support (Windows), 10Gbps data ports, Gigabit Ethernet, and robust warranty. Cons: macOS limited to one extended monitor, effective 87W charging, and no SD card reader.
Bottom Line: Ideal for Windows users needing triple displays and extensive ports, but Mac users should consider alternatives due to display limitations. A strong mid-tier docking solution overall.
7. Baseus Laptop Docking Station Dual Monitor 4K@120Hz, 9 in 1 USB C Hub with 2 HDMI, 1000Mbps LAN, Max 85W PD, 3 USB, SD Card Reader, USB C Dock Compatible with iPhone 15/Mac/Dell/HP/Surface/Steam Deck
Overview: Baseus’s 9-in-1 hub emphasizes high-refresh-rate displays and integrated media tools, targeting creatives and gamers. It combines dual 4K@120Hz HDMI outputs, a fast SD card reader, and robust networking.
What Makes It Stand Out: The standout feature is single-display 4K@120Hz support—uncommon for docks—enabling ultra-smooth visuals. The dedicated SD/TF card reader (104MB/s) and 1000Mbps Ethernet cater specifically to photographers and remote workers needing stable connections.
Value for Money: Competitive pricing for its niche capabilities. The 120Hz output and card reader add significant value for content creators, though the effective 85W charging (after 15W hub draw) may limit high-power laptops. Outperforms similarly priced docks for media-focused users.
Strengths and Weaknesses: Pros: 4K@120Hz single display, fast SD reader, 1000Mbps Ethernet, and compact design. Cons: Dual monitors capped at 4K@60Hz, no DisplayPort, and macOS display limitations.
Bottom Line: Highly recommended for photographers, designers, and gamers prioritizing high-refresh-rate displays and media transfer speeds, but less ideal for multi-monitor Windows power users needing triple displays.
8. Acer USB C Docking Station Dual Monitor with 2 HDMI, 9-in-1 Laptop Docking Station with 4K@60Hz HDMI, USB A&C 3.0, SD/Micro SD, 100W PD, USB C Dock Compatible with Acer/Dell XPS/HP/Mac/Surface (15cm)
Overview: Acer’s compact 9-in-1 dock delivers reliable dual 4K@60Hz output and essential ports, tailored for business users. Its aluminum build and security lock button emphasize durability and convenience.
What Makes It Stand Out: The built-in 15cm cable and device-locking feature (Windows/Mac) are unique for secure, tidy setups. Dual HDMI ports simplify dual-monitor connections without adapters, while SD/MicroSD slots offer quick media access at 104Mbps.
Value for Money: Fairly priced for its premium build and seamless integration with Acer/Dell/HP business laptops. Though the 90W effective charging (vs. 100W input) lags behind competitors, the aluminum chassis and thoughtful extras justify the cost for office environments.
Strengths and Weaknesses: Pros: Sleek aluminum body, device-lock button, dual SD slots, and stable 4K dual display. Cons: Short cable limits placement flexibility, macOS restricted to one extended monitor, and no USB-C 3.1 speeds.
Bottom Line: A polished, office-ready dock for Acer/Dell users valuing security and dual 4K displays, but the short cable and charging limitations reduce versatility for power users.
9. Anker Prime Docking Station, 14-Port with 160W Max Output, 10Gbps Fast Data Transfer, Real-Time Smart Interface, Audio and Ethernet Ports, Dual 4K Displays for Dell, HP, Lenovo and More
Overview: Anker Prime is a premium 14-in-1 powerhouse designed for heavy multitasking, featuring industry-leading 160W output, 10Gbps data speeds, and a smart status interface. It targets power users with demanding workstation needs.
What Makes It Stand Out: The 160W total output (max 100W per USB-C port) enables charging multiple high-wattage devices simultaneously—a rarity. The real-time smart interface showing power/data status and dual 4K display support (via HDMI) enhance usability for complex setups.
Value for Money: Priced at a premium, it’s justified by unmatched power delivery and 10Gbps data transfer. Ideal for professionals using multiple high-drain devices (e.g., external GPUs), though overkill for casual users. macOS mirroring-only limitation affects Apple users.
Strengths and Weaknesses: Pros: 160W multi-device charging, 10Gbps speeds, smart interface, and robust port selection. Cons: macOS forces mirrored displays, no DisplayPort, and incompatible with Linux.
Bottom Line: The top choice for Windows power users needing extreme connectivity and charging, but macOS limitations and price make it less universal. Worth the investment for demanding workflows.
10. USB C Laptop Docking Station Dual Monitor HDMI for Dell/Lenovo/HP Laptop 14 in 1 USB C Hub Multiport Adapter Dongle Dock USB C to 2 HDMI 4K+DisplayPort+Ethernet+4USB+2USB C+100W PD Charger+SD/TF+Audio
Overview: This versatile 14-in-1 hub offers extensive port variety, including DisplayPort and triple-display support for Windows, targeting budget-conscious professionals needing maximum connectivity.
What Makes It Stand Out: Uncommon triple-display support (dual HDMI + DisplayPort) on Windows and a 10Gbps USB-C 3.1 port stand out. The inclusion of both SD/Micro SD readers and 100W PD charging (87W effective) provides broad utility for under $100.
Value for Money: Exceptional value for its port count and triple-display capability. Though DisplayPort output is limited to 4K@30Hz in dual-monitor mode, it outperforms similarly priced docks. The lack of included charger is a minor drawback.
Strengths and Weaknesses: Pros: Triple displays (Windows), 14 ports including DP and card readers, 10Gbps data speeds. Cons: MacBooks limited to mirrored displays, inconsistent HDMI resolutions, and no 10Gbps USB-A ports.
Bottom Line: A budget-friendly powerhouse for Windows users needing triple monitors and diverse ports, but macOS limitations and resolution quirks require careful consideration before purchase.
Understanding Laptop Docks: Your Home Office Power Hub
What Exactly Does a Dock Do?
At its core, a dock acts as a centralized expansion point for your laptop. Instead of plugging and unplugging multiple cables daily (monitor, keyboard, mouse, Ethernet, external storage), you connect everything once to the dock. Then, with a single cable—typically USB-C or Thunderbolt—you link your laptop to this hub. It instantly provides additional ports, video output, network connectivity, and often charging power, streamlining your setup dramatically. Think of it as your laptop’s personal assistant, handling all the connection logistics so you can focus on work.
Why Docks Are Essential for Modern Home Offices
Modern ultrabooks and laptops often sacrifice port variety for slim designs, frequently offering only one or two USB-C ports. This creates a bottleneck for home office setups requiring multiple displays, wired networking for stability, legacy peripherals, or high-speed data transfer. A dock solves this by multiplying your connectivity options, reducing cable clutter, improving ergonomics through better monitor placement, and providing a consistent, reliable workspace. It transforms a portable device into a stationary powerhouse, crucial for sustained productivity in a dedicated home office environment.
Critical Features to Evaluate Before Buying
Port Selection: Matching Your Workflow Needs
Don’t just count ports—analyze which ports you actually use daily. Need dual monitors? Prioritize docks with at least two video outputs (HDMI, DisplayPort, or USB-C/DisplayPort Alt Mode). Rely on wired Ethernet for stable video calls? Ensure a Gigabit Ethernet port is included. Still using a legacy mouse or keyboard? Look for USB-A ports. Frequently transfer large files? Verify USB 3.2 Gen 1 (5Gbps) or Gen 2 (10Gbps) speeds on data ports. Sketch out your daily peripheral usage to avoid buying a dock missing one critical connection.
Video Output Capabilities: Beyond Just “Dual Monitor”
Supporting two monitors isn’t enough; you need to check resolution and refresh rate compatibility. Does your dock handle dual 1080p, dual 4K at 30Hz, or the increasingly important dual 4K at 60Hz? This is vital for detail-oriented work like graphic design or complex data analysis. Also, verify the supported video standards (HDMI 2.0, DisplayPort 1.4) and whether MST (Multi-Stream Transport) is required for multi-monitor setups, as this can impact compatibility with some laptops or displays.
Power Delivery: Ensuring Your Laptop Stays Charged
Most budget docks offer Power Delivery (PD), but wattage matters significantly. A minimum of 60W is essential for most modern laptops to charge while in use, especially under load. Laptops with higher power demands (e.g., some 15-17" models or performance-oriented ultrabooks) may require 85W, 90W, or even 100W+. Crucially, the dock’s PD rating must meet or exceed your laptop’s charger wattage. Underpowered docks will drain your battery during intensive tasks, defeating a core purpose of docking.
Connection Type: USB-C vs. Thunderbolt Compatibility
While many docks use a USB-C connector, not all USB-C ports support docking functionality. Ensure your laptop’s USB-C port supports DisplayPort Alt Mode and USB Power Delivery—this is standard on most modern machines but verify in your specs. True Thunderbolt docks offer superior bandwidth and features (like daisy-chaining) but are rarely found under $100. Most budget docks leverage USB-C’s capabilities, so confirm compatibility with your specific laptop model before purchasing.
Build Quality and Connectivity Stability
Don’t underestimate physical durability. A flimsy plastic dock won’t withstand daily use on a home desk. Look for models with metal housings or robust plastic construction. More importantly, prioritize docks known for stable connections—frequent monitor dropouts or peripheral disconnects are incredibly disruptive. Check reviews specifically mentioning reliability over extended use, not just initial setup success. A dock that works perfectly for 10 minutes but glitches hourly is worse than useless.
Setup and Compatibility Considerations
Operating System Compatibility: Not Always Universal
While USB-C docks generally work across Windows, macOS, and ChromeOS, nuances exist. macOS can sometimes have stricter requirements for video output resolutions or require specific drivers for certain features (like audio over HDMI). Linux compatibility varies wildly. Always double-check the manufacturer’s stated OS support, especially if you’re not using Windows. Community forums for your specific OS can reveal hidden quirks.
Driver Requirements: Plug-and-Play vs. Software Dependency
Ideally, a budget dock should be plug-and-play, requiring no additional drivers for core functionality (video, USB, Ethernet). However, some advanced features (like specific audio routing or firmware updates) might need software. Avoid docks that require proprietary drivers just for basic operation, as this adds complexity and potential failure points. True plug-and-play simplicity is a hallmark of reliable budget docks.
Physical Space and Cable Management
Consider your desk layout. Docks vary in size—some are compact rectangles, others are wider bars. Ensure you have enough space near your laptop’s connection point. Also, think about cable routing: Does the dock have pass-through ports on the sides/back? Are there slots or grooves to secure cables? A well-designed dock minimizes cable sprawl, contributing significantly to a clean, professional workspace.
Maximizing Value Within Your Budget
Identifying Your Must-Have vs. Nice-to-Have Features
Be ruthless in prioritizing. If you only ever use one external monitor, a dual-monitor dock is overkill. If you rely solely on Wi-Fi, skip the Ethernet port. Conversely, if stable networking is critical for your work, Ethernet becomes non-negotiable. List your absolute essentials (e.g., “Dual 4K@60Hz, 85W PD, 3x USB-A”) and let that guide your search, avoiding paying for unused features common in higher-priced models.
The Hidden Cost of Low-Quality Power Adapters
Many ultra-budget docks include underpowered or poorly made AC adapters. A weak adapter can cause charging instability, video flickering, or even damage the dock over time. If possible, research the included power brick’s reputation. A slightly higher price point that includes a robust, certified adapter is often a smarter investment than the absolute cheapest option with a flimsy power supply.
Firmware Updates and Long-Term Support
While rare at this price point, some docks offer firmware updates via simple software tools to fix bugs or improve compatibility. Check if the manufacturer provides this support, as it can extend the dock’s useful life, especially as your laptop’s OS updates. A dock that becomes obsolete after six months due to an OS update isn’t truly budget-friendly.
Future-Proofing Your Home Office Dock
Understanding USB4 and Emerging Standards
USB4 (offering up to 40Gbps bandwidth and often incorporating Thunderbolt 3 compatibility) is becoming more common. While true USB4 docks are generally above $100, many budget docks now support USB 3.2 Gen 2 (10Gbps), which is sufficient for most home office needs today. Don’t chase “USB4” specifically at this price; focus on current practical needs. However, docks using the latest USB-C controllers might have slightly better longevity as standards evolve.
Scalability for Future Needs
Consider potential changes. Might you add a second monitor next year? Need faster data transfer for an external SSD? Choosing a dock with slightly higher specs than your current needs (e.g., supporting 4K@60Hz instead of just 30Hz, or 10Gbps USB instead of 5Gbps) can prevent an early replacement. It’s about balancing today’s budget with reasonable anticipation of near-future requirements.
The Role of Daisy-Chaining (and Why It’s Rare Under $100)
True Thunderbolt daisy-chaining (connecting multiple docks or high-end peripherals through one port) is a premium feature. Most USB-C docks under $100 do not support this. If you think you’ll need to connect multiple high-bandwidth devices beyond what one dock offers, it’s usually more practical (and reliable) to use separate docks or hubs rather than seeking daisy-chaining capability at this price tier.
Frequently Asked Questions
Frequently Asked Questions
Can a budget dock under $100 reliably support dual 4K monitors? Yes, many docks in this price range support dual 4K displays, but often at 30Hz. For smooth dual 4K at 60Hz, check specifications carefully as this requires higher bandwidth (like DisplayPort 1.4) and is less common at the very lowest price points. Prioritize docks explicitly listing “dual 4K@60Hz” if this is essential for your work.
Will a $100 dock work with my Macbook Air or Macbook Pro? Most USB-C docks compatible with Windows laptops will work with recent MacBooks for core functions (video, USB, Ethernet, charging). However, macOS sometimes has specific resolution limitations or requires checking for audio compatibility over HDMI. Always verify compatibility with your exact Mac model and macOS version before purchasing.
Do I need Thunderbolt for a home office dock? For most home office tasks (dual monitors, peripherals, Ethernet), Thunderbolt is not necessary. USB-C docks leveraging DisplayPort Alt Mode and USB Power Delivery provide ample performance under $100. Thunderbolt offers advantages for ultra-high-resolution displays or daisy-chaining, but these are rarely critical for standard remote work setups at this budget.
Why does my dock stop working after a Windows or macOS update? OS updates can sometimes cause driver conflicts or change how the system recognizes the dock. Solutions often include restarting the dock and laptop, checking for a dock firmware update (if available), or temporarily disconnecting non-essential peripherals. Reputable docks minimize this issue through robust hardware design.
Can a budget dock charge my laptop fully while I’m working? Yes, but only if the dock’s Power Delivery (PD) wattage meets or exceeds your laptop’s charging requirement (found on its original charger). A 65W dock can fully charge most standard ultrabooks (which often use 65W chargers) under typical workloads. For gaming laptops or high-performance models needing 90W+, ensure the dock provides sufficient wattage.
Is Ethernet really necessary if I have good Wi-Fi? For critical home office tasks, yes. Wired Ethernet provides significantly more stable, consistent, and often faster network performance than Wi-Fi, eliminating lag during video calls, reducing file transfer times, and preventing disconnections during large downloads/uploads. Many budget docks include a Gigabit Ethernet port, making this a valuable feature.
How can I prevent my dock from overheating on my desk? Ensure the dock has adequate ventilation—don’t bury it under papers or place it in an enclosed space. Metal-housed docks generally dissipate heat better than plastic ones. Avoid covering the dock while in use, and if you notice excessive heat, check that you aren’t overloading it with too many high-power peripherals simultaneously.
What’s the difference between HDMI and DisplayPort for my monitors? Both carry video and audio. DisplayPort generally supports higher resolutions and refresh rates over a single cable (crucial for 4K@60Hz or beyond) and enables features like daisy-chaining. HDMI is more common on consumer TVs and monitors. For most home office dual-monitor setups at 1080p or 1440p, HDMI 2.0 is sufficient. For demanding 4K work, DisplayPort 1.4 is often preferred.
Why do some docks require a separate power adapter while others don’t? Docks that provide Power Delivery (PD) to charge your laptop must have their own dedicated power adapter. The power drawn from your laptop’s single USB-C port isn’t enough to both run the dock’s functions and charge the laptop battery. Passive hubs (which don’t charge the laptop) might draw all power from the laptop, but these are unsuitable as primary home office docks.
How long should a good budget dock last in a home office? With moderate daily use, a well-built dock from a reputable manufacturer should last 3-5 years. Factors affecting lifespan include the quality of the internal components, the included power adapter, consistent exposure to heat, and physical handling. Avoid the absolute cheapest, no-name brands for critical home office use to maximize longevity.