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 2026-07-10. 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 2026-07-10. Price and availability subject to change.
Related Cables & Connectors
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best 1440p Gaming GPUs in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
More reviews from the SpecPicks archive
Browse all reviews →- GeForce 4 Ti 4200 AGP: The Best-Value Retro GPU for a 2002 Windows XP Build
- Best $1000 Gaming PC Build for 2026: Parts We'd Actually Buy
- Cut AI API Bills: Run Local LLMs on an RTX 3060 12GB (2026)
- RTX 3060 12GB vs Ryzen 5600G iGPU: Best 1080p Entry Path
- NVMe vs SATA for Game Load Times: WD Blue SN550 vs Crucial BX500 in 2026
- Best Wireless Controller for a Couch-Gaming Living-Room PC in 2026
- Best Webcam for Streaming Under $200 (2026)
- Cursor Launches Its Own AI Model and Git Platform: What Changes
- Best CPU Coolers for Ryzen in 2026: 5 Tested Picks
- This Open-Source KVM Runs a Pentium 4 Instead of a Raspberry Pi
- Samsung 870 EVO vs Crucial BX500: Best SATA SSD 2026
- HyperX QuadCast 2 vs Blue Yeti: Best USB Mic for Streaming and Podcasting in 2026
- Raspberry Pi 4 8GB in 2026: Still the Best Home-Lab SBC for Under $80
- SANSUI 27" 4K vs KOORUI 27" QD-Mini LED for PS5 & 4K Gaming in 2026
- Build a Raspberry Pi 4 NAS in 2026: Best SATA SSD Setup Over USB 3.0
- Best GPU for 1440p Esports in 2026: Why the RTX 3060 12GB Still Delivers
- Run Text-to-SQL Locally on a 12GB GPU After Gemini-SQL2
- Ryzen 7 9800X3D Hits Record-Low Price — and the 5800X Value Case
- Local AI on Raspberry Pi 5: Real Benchmarks for Llama, Phi, and Gemma (2026)
- Is My GPU Dying? 5 Warning Signs to Check Now
- Best Gaming CPUs for 1080p and 1440p Builds (2026)
- Get Up to $900 Off a Dell PC: Gaming & Everyday Deals
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 3090
- Build an 8-Node Raspberry Pi Cluster for Distributed Computing (2026)