SABRENT
USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific Chipset, Driver Support Required for Some Systems, Windows 11/10/8/7, macOS, Linux (CB-DB9P)
*Price sourced from Amazon.com. Last updated 2026-07-10. Price and availability subject to change.
Bottom line: The USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific Chipset, Driver Support Required for Some Systems, Windows 11/10/8/7, macOS, Linux (CB-DB9P) is a niche pick — read recent reviews before buying in the cables & connectors category, priced around $9.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific… 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. SABRENT'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
- ✓ Backed by SABRENT'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
- USB to Serial Connectivity: Connect RS-232 serial devices such as modems, industrial equipment, and legacy hardware to a USB port using a standard DB9 interface
- Driver Support Required: While some systems may recognize the adapter automatically, others require manual driver installation for proper functionality
- Device Compatibility: Works with devices that support RS-232 serial communication; compatibility depends on the connected hardware and software configuration
- Adjustable Settings: COM ports and baud rates can be configured to match your device requirements for stable communication
- Multi-Platform Support: Compatible with Windows, macOS, and Linux; functionality may vary depending on driver support and system setup
Full Specifications
| Brand | SABRENT |
|---|---|
| Color | Grey |
| Gauge | 4.46 |
| Model | CB-DB9P |
| Cable Type | Parallel Cable |
| Item Shape | Round |
| Model Name | CB-DB9P |
| Unit Count | 1.0 Count |
| Item Length | 2.5 Feet |
| Part Number | CB-DB9P |
| Connectivity | USB |
| Compatibility | Mac, Linux |
| Connector Type | USB Type A |
| Number of Pins | 9 |
Ready to buy?
SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific Chipset, Driver Support Required for Some Systems, Windows 11/10/8/7, macOS, Linux (CB-DB9P) 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 →- 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
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Per-Model LLM Hardware Guide 2026: What Actually Runs Llama, Qwen, and Mistral Locally
- Build a Raspberry Pi 4 Pi-hole + Unbound Ad-Blocker in 2026
- Rescue Your Retro PC's Data Before the IDE or SATA Drive Dies
- GLM-5.2 on 12GB VRAM: Quantization and Speed on the RTX 3060
- AMD Instinct MI300X vs Radeon RX 7600 XT: Datacenter vs Desk
- Is the RTX 3060 12GB Still the Best Budget 1080p GPU in 2026?
- Best Monitor for Color Grading Under $500 in 2026
- AMD Ryzen AI HALO vs RTX 3060 12GB for Local LLMs in 2026
- KOORUI 4K QD-Mini LED vs Samsung Odyssey 4K: Best Budget 4K Gaming Monitor in 2026?
- Best Controllers for Steam Deck and PC in 2026
- Qwen Plays DCSS: What Roguelike Runs Tell Us About Long-Context Agent Performance
- MSI RTX 3060 Ventus vs ZOTAC RTX 3060 Twin Edge: Which 12GB Card to Buy
- Period-Correct Windows 98 Boot Drive: CompactFlash vs IDE SSD
- CompactFlash as a Boot Disk: A Silent, Reliable Drive for Your Win98 Retro Rig
- Ryzen 7 5800X3D vs 5800X for 1080p Competitive Gaming: Which Wins?
- Ryzen 5 5600G vs Ryzen 7 5700X vs Ryzen 7 5800X for 1080p Gaming in 2026
- Raspberry Pi AI HAT+ (26 TOPS): What It Actually Runs in 2026
- Best SSD for PS4 Pro in 2026: SATA Upgrades That Cut Load Times
- GeForce 4 Ti 4600 Won't Boot in Windows XP — Field Troubleshooting Guide
- Best SATA SSD to Revive an Old Gaming PC in 2026
- Build a Pi Zero W Handheld Retro Emulator in 2026: Full Parts List and Setup
- Best Arcade Fight Stick & Controller for PlayStation Fighting Games (2026)
- Best Wireless Gaming Controllers for PC and Console in 2026
- Best 4K Monitor for Console Gaming on a PS4 Pro in 2026