StarTech.com
0.5m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable - 50cm (MXT10050CMBK)
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The 0.5m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable - 50cm (MXT10050CMBK) is a niche pick — read recent reviews before buying in the cables & connectors category, priced around $7.99. Read recent reviews carefully before committing.
The MXT10050CMBK Black Serial Extension Cable (0.5m) features one DB9 male connector and one DB9 female connector, providing a high quality extension for your RS232 serial devices, which enables you to position your peripheral devices as needed. Expertly designed and constructed of top quality materials to ensure durability, this DB9 extension cable is backed by our Lifetime Warranty.
SpecPicks Verdict
SpecPicks classifies StarTech.com 0.5m Black Straight Through DB9 RS232 Serial Cable… as a niche pick — read recent reviews before buying in the cables & connectors category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. StarTech.com'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 cables & connectors 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
- ✓ Serial extension cable
- ✓ Backed by StarTech.com'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
- Serial extension cable
- DB-9 (M) to DB-9 (F)
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Model | MXT10050CMBK |
| Cable Type | Serial |
| Item Shape | Round |
| Model Name | Black Serial Extension Cable |
| Unit Count | 1.5 Feet |
| Item Length | 50 Centimeters |
| Part Number | MXT10050CMBK |
| Number of Pins | 9 |
| Outer Material | Polyvinyl Chloride (PVC) |
| Maximum Voltage | 15 Volts (DC) |
| Number of Items | 1 |
| Special Feature | Data Transfer |
Ready to buy?
StarTech.com 0.5m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable - 50cm (MXT10050CMBK) 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 2026-07-22. Price and availability subject to change.
Related Cables & Connectors
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Cyberdeck Raspberry Pi 4/5 Mini Music Workstation Build Guide
- llama.cpp vs Ollama on an RTX 3060: Which Runs GLM-5.2 Faster?
- How to run Llama 3.1 70B on Apple M4
- Best GPU for Qwen 3 14B (2026)
- The vLLM MCP Vulnerability: What Local LLM Operators Need to Do
- Best CPU Coolers for Ryzen and Intel Builds in 2026
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5080
- Inside the Creative Katana V2X Soundbar Teardown — and What It Says About Sound Blaster
- Best Way to Stream a PS4 Pro to PC: Elgato Cam Link 4K Capture Setup
- Best Gaming Mouse for Warzone & FPS Esports in 2026
- Claude Opus 4.8 Ships, Tops GPT-5.5 on Intelligence Index
- Best SSD to Upgrade a PS4 in 2026
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5070
- Voodoo3 3000 Won't POST: Troubleshooting a 1999 Build in 2026
- Windows 98 SE on >512MB RAM: The vcache Fix Explained (2026)
- Best PC Streaming Starter Kit in 2026: 5 Picks
- The Sound Blaster Monopoly: How Creative Still Shapes Retro PC Audio in 2026
- Solar-Powered Bird Identifier: Raspberry Pi Zero 2W + AI Camera
- KOORUI 27" 4K vs Samsung Odyssey 27" 4K for PS5 and PC Gaming
- GPT-5.6 Sol at One-Third the Cost: When Local Inference Still Wins
- Modder Runs a Counter-Strike Clone at 60 FPS on the Original PSP
- Best Streaming Setup Gear for Beginners in 2026
- GLM-5.2: Probably the Most Powerful Text-Only Open-Weights LLM
- Best Raspberry Pi Projects for College Students in 2026: 8 Builds on a Pi 4 8GB