Monoprice
RS232 Serial Mouse or Monitor Splitter Cable (104640)
*Price sourced from Amazon.com. Last updated 2026-07-09. Price and availability subject to change.
Bottom line: The RS232 Serial Mouse or Monitor Splitter Cable (104640) is a niche pick — read recent reviews before buying in the gaming monitors category, priced around $10.98. Read recent reviews carefully before committing.
RS232 Serial Data Y-cable. Can be used to connect legacy serial mice or 9 pin EGA/CGA video connections. Note: Can not be used with 15pin VGA connections
SpecPicks Verdict
SpecPicks classifies Monoprice RS232 Serial Mouse or Monitor Splitter Cable (104640) as a niche pick — read recent reviews before buying in the gaming monitors category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Monoprice's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for gaming monitors 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Can be used to connect legacy serial mice or 9 pin EGA/CGA video connections
- ✓ Backed by Monoprice's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers.
- Can be used to connect legacy serial mice or 9 pin EGA/CGA video connections
- Note: Can not be used with 15pin VGA connections
- RS232 Serial Data Y-cable
- Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.
Full Specifications
| Note | Can not be used with 15pin VGA connections |
|---|---|
| Brand | Monoprice |
| Color | Black |
| Model | 104640 |
| Cable Type | Serial |
| Item Shape | Round |
| Unit Count | 1.0 Count |
| Part Number | 104640 |
| Connector Type | VGA |
| Number of Pins | 9 |
| Number of Items | 1 |
| Connector Gender | Male-to-Female |
| Specification Met | No |
| Compatible Devices | Monitor |
Ready to buy?
Monoprice RS232 Serial Mouse or Monitor Splitter Cable (104640) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-09. Price and availability subject to change.
Related Gaming Monitors
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- How to Build a Windows 98 Retro PC in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Build a Raspberry Pi 4 NAS in 2026: Best SATA SSD Setup Over USB 3.0
- Best PC Gaming Peripherals in 2026: 5 Picks for Keyboard, Audio, and Control
- How Creative's Sound Blaster Ruled PC Audio for 20 Years
- Open-Source NVIDIA NVK Vulkan Driver Now Supports DLSS
- GPT-5.5 Instant Got a Readability Upgrade — Can a Local RTX 3060 Match It?
- OpenAI Codex Now Records and Replays Your Workflow: the Local-Rig Angle
- Mistral Seeks €3B: What a Bigger European Lab Means for Local Rigs
- Hy3-Preview vs DeepSeek V4 Flash: Where the New Open-Weights Model Actually Lands
- Best 1440p Monitor for the RTX 3060 in 2026: Picks That Actually Match
- 16% of Freelance Jobs Are Now AI-Doable: The Local Agent Rig That Runs Them
- AI Bug-Hunting Surged: Running a Local Security-Scanner LLM on 12GB VRAM
- CompactFlash to IDE Adapter Won't Boot on Windows 98: Troubleshooting Guide 2026
- oQ vs Q vs MXFP vs UD MLX: Which Quantization Format Should You Actually Pick in 2026?
- Why NVIDIA's New AI Servers Use Hot-Tub Coolant
- AI-Driven Win98 Voodoo Driver Install: A Repeatable Vision-LLM Playbook for the Sound Blaster Audigy FX
- Best GPU for Local Stable Diffusion Under $400: Why the RTX 3060 12GB Still Wins
- GPU Benchmark Data Freshness and Source Attribution in 2026
- Best Raspberry Pi Starter Kits for Beginners (2026)
- Sound BlasterX G6 for Retro PC Gaming Audio: An External Card for Win98/XP and DOSBox Builds
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5070
- SATA vs NVMe for a Ryzen 5800X Gaming Build: Does It Matter?
- Ryzen 5 5600G vs Ryzen 7 5700X for a Budget Gaming Build
- Best Gaming Mice for Competitive FPS in 2026
- How to run Llama 3.1 8B on Apple M4 Pro (2026)