Wyse
Wyse MO42KOP PS/2 Black Scroll Optical Mouse 770510-21L
Bottom line: The Wyse MO42KOP PS/2 Black Scroll Optical Mouse 770510-21L: PS/2 interface works on legacy retro PCs without USB; main trade-off: PS/2 only, needs adapter for modern USB ports.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ PS/2 interface works on legacy retro PCs without USB
- ✓ Optical tracking, no mouse ball to clean
- ✓ Scroll wheel for navigation and gaming
Cons
- ✗ PS/2 only, needs adapter for modern USB ports
- ✗ No DPI adjustment or programmable buttons
- ✗ Wyse is a thin-client brand, not gaming-focused
- ✗ No listed features or driver documentation
Manufacturer description
Wyse MO42KOP PS/2 Black Scroll Optical Mouse 770510-21L
SpecPicks Verdict
SpecPicks scored Wyse MO42KOP PS/2 Black Scroll Optical Mouse 770510-21L using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. Wyse's keyboards & mice 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 keyboards & mice 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.
Full Specifications
| Brand | Wyse |
|---|---|
| Color | black |
| Range | 5.0 meters |
| Style Name | Modern |
| Unit Count | 1 Count |
| Model Number | MO42KOP |
| Power Source | Battery Powered |
| Button Quantity | 3 |
| Mfr Part Number | 770510-21L |
| Antenna Location | Office |
| Hand Orientation | Ambidextrous |
| Number of Buttons | 3 |
| Compatible Devices | Personal Computer |
| Enclosure Material | Plastic |
| Movement Detection | Optical |
| Connectivity Technology | Ps |
| Movement Detection Technology | Optical |
Ready to buy?
Wyse MO42KOP PS/2 Black Scroll Optical Mouse 770510-21L 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 Keyboards & Mice
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Active Quake 3 and OpenArena Servers in 2026 — How to Find and Join Them
- Best SATA, IDE & CompactFlash Adapters for Retro PC Data Recovery in 2026
- Best Gaming Mouse Pad for FPS Esports (2026)
- Best CPU Cooler for AM4 Ryzen Overclocking (2026 Edition)
- Voodoo3 3000 PCI Install Guide for Win98 SE in 2026
- Building a Silent Windows 98 PC with a CompactFlash Boot Drive
- MSI Raider 16 Max HX Review: Elite Gaming and Creator Power
- Local LLMs on Refurb M4 Max vs New M5 Max: What the LocalLLaMA Numbers Show
- Best Internal SSDs for PC Gaming Builds (2026)
- Best Mid-Range Gaming CPU (2026)
- ComfyUI on a 12GB RTX 3060: SDXL and Flux Image Gen Benchmarked
- Best PC Gaming Controller in 2026: GameSir G7 SE vs DualSense vs 8BitDo Pro 2
- Gemma 4 31B Abliterated on a Single RTX 3060 12GB: Quantization, VRAM, and Real Tok/s
- RTX 5090 vs RTX 5070: Specs, Value & Which to Buy
- Best Streaming and Podcasting Gear for 2026: 5 Picks for Mic, Light, and Monitoring
- Best Budget PC Gaming Upgrades Under $150 in 2026
- GPT-5.6 Sol vs Local Open-Weights: Why a 12GB Rig Still Earns Its Keep
- Best 1440p Monitor for the RTX 3060 12GB (2026)
- Build a Raspberry Pi Bird-Song Logger with a USB Mic (2026)
- Best Budget GPU for Local LLM Inference Under $400 (2026)
- Which GPU Runs Which LLM in 2026: The RTX 3060 12GB Model-Fit Matrix
- North Mini Code: The New Small Coding Model and the Hardware That Runs It
- Best Budget SATA SSD for 2026 Builds
- Step 3.7 Flash Benchmarks: What You Can Actually Run on 12GB
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