Alxum 2 in 1 Out USB A HDMI KVM Switch-2 Computers 1 Monitor
Bottom line: The Alxum 2 in 1 Out USB A HDMI KVM Switch-2 Computers 1 Monitor: 4K at 60Hz over HDMI 2.0 with HDCP, not capped at 30Hz; main trade-off: only two computers and one monitor; no three-way or dual-display.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ 4K at 60Hz over HDMI 2.0 with HDCP, not capped at 30Hz
- ✓ Two switching modes: front button plus wired desktop controller
- ✓ Four USB-A ports at 5Gbps for keyboard, mouse, and drives
- ✓ Driver-free on Windows, Mac, and Linux; no software install
Cons
- ✗ Only two computers and one monitor; no three-way or dual-display
- ✗ HDMI only, so no DisplayPort or USB-C laptop input
- ✗ Needs the bundled DC5V adapter, adding another wall plug
- ✗ 4K@60Hz requires your own 4K-rated HDMI cables and monitor
SpecPicks Verdict
SpecPicks scored Alxum 2 in 1 Out USB A HDMI KVM Switch-2 Computers 1 Monitor using a rating × review-volume × price-fit model applied to published specs and reviews across the kvm switches category. Alxum's kvm switches lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for kvm switches of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- USB 3.0 KVM Switcher:Easily switch between two port HDMI-supported computers using a single display. Perfect for multitasking professionals, Supports HDCP and HDMI 2.0/1.4, ensuring seamless compatibility and stunning display quality across various devices and environments
- Dual Switching Modes:Instantly toggle between computers with the press of a button on the device or the included remote control. Its compact design helps you maintain a clean, organized workspace, whether at home, in the office, or in a studio
- 4K Ultra HD Resolution:Enjoy breathtaking visuals with support for 3840x2160@60Hz.Alxum KVM switch delivers unmatched clarity. Ideal for high-demand work tasks, immersive gaming, or high-quality media streaming.Tips: Use a 4K-compatible HDMI cable and monitor for optimal results
- Ultra-Fast USB 3.0 Data Transfer:With A USB 3.0 port offering speeds up to 5Gbps (10x faster than USB 2.0), you can effortlessly connect peripherals like mice, keyboards, USB drives, game controllers, external hard drives, or printers. Backward compatible with USB 2.0 devices for added flexibility
- Plug-and-Play Simplicity:No drivers needed—just plug in and start using it within seconds! Built-in ESD protection prevents electrostatic damage, while automatic signal optimization ensures stable,flicker-free visuals. LED indicators keep you informed of the device’s status at all times. Compatible with Windows,Mac,and Linux systems
Full Specifications
| Brand | Alxum |
|---|---|
| Color | Gray |
| Model | SJW-KM201B |
| Material | Aluminum |
| Terminal | Solder |
| Unit Count | 1.0 Count |
| Part Number | SJW-KM201B |
| Switch Type | Push Button |
| Circuit Type | 1-way |
| Connectivity | USB |
| Contact Type | Normally Open |
| Control Type | Multiple |
| Compatibility | Switch, Mac, Linux |
| Material Type | Aluminum |
| Mounting Type | Surface Mount |
| Connector Type | Plug In |
| Control Method | Push Button, Remote |
| Operation Mode | ON-OFF-ON |
| Item Dimensions | 5.75 x 2.44 x 0.81 inches |
| Number of Items | 1 |
| Full listing title | Alxum 2 in 1 Out USB A HDMI KVM Switch-2 Computers 1 Monitor,Two Mode Switching,4K@60Hz,5Gbps High-Speed Transmission,4 USB A for Two Computers Sharing One Monitor,DC5V Adapter and Desktop Controller |
Ready to buy?
Alxum 2 in 1 Out USB A HDMI KVM Switch-2 Computers 1 Monitor,Two Mode Switching,4K@60Hz,5Gbps High-Speed Transmission,4 USB A for Two Computers Sharing One Monitor,DC5V Adapter and Desktop Controller is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related KVM Switches
CablesOnline 2-Way A/B RJ45 Metal Rotary Manual Switch Box (SB-034)
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Imaging a 1998 IDE Drive and Letting an LLM Rebuild Win98
- Debugging Vintage Windows with Claude: SYSFIX Patterns for Win98 vcache, MSNP32, and Glide Hangs
- Raspberry Pi LLM Cluster: What It Can (and Can't) Do
- IBM Granite 4.1 8B vs Qwen 3.6 27B: Which Small Local Model Wins on a 16GB GPU?
- Raspberry Pi 4 as a SimHub Dash for a Logitech G29 Rig
- Best Microphones for Streaming and Podcasting (2026)
- Copilot Cowork Goes Usage-Based: The Local-Rig Cost Case in 2026
- ProgramBench: Can LLMs Rebuild Programs From Scratch?
- Gemini 3.5 Flash vs Local LLM on RTX 3060 12GB: When Cloud Beats Self-Hosted
- Ryzen 5 5600G vs Ryzen 7 5700X for a Budget 1080p Gaming Build
- Best Wireless Controller for PC Gaming in 2026
- Steam Deck OLED vs ROG Ally Z1 Extreme: 2025 Comparison
- Best $1000 Gaming PC Build for 2026: Parts We'd Actually Buy
- Raspberry Pi 5 16GB Ships — Is the Pi 4 8GB Still Worth It?
- Build a Pi Zero W Handheld Retro Emulator in 2026: Full Parts List and Setup
- Ollama vs llama.cpp vs LM Studio on an RTX 3060 12GB: Which Local Runner Wins in 2026?
- Kimi K3 Lands #5 on Coding Agents: What You Can Actually Run Local
- Best SSD for a Homelab NAS in 2026: Crucial BX500 vs Samsung 870 EVO vs WD Blue SN550
- Watercooled Gaming/Networking Rack: 2025 Build Guide
- Windows XP Gaming Setup Guide: Hardware & Drivers (2025)
- Framework Desktop & Ryzen AI Max+ 395 Review: Best Strix Halo Mini PCs in 2026
- SNES Classic vs Sega Genesis Mini vs Raspberry Pi RetroPie: Best Plug-and-Play Retro Gaming in 2026
- RTX 4080M Desktop Build: 100W Gaming vs. RX 9070 GRE
- Raspberry Pi 5 Price Guide: What You'll Actually Pay
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090