BZIZU
2-Port PCIe RS-232 DB9 Serial Port Card - Windows XP/7/8/10/11 & Linux Compatible (32/64bit) for Fast Data Transfer (PCIe1X Dual Serial Card)
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
Product DescriptionUpgrade your connectivity with the 2-Port PCI Express RS-232 DB9 Serial Port Card. This card adds two RS232 DB9 serial ports to desktop PCs and industrial devices via a PCI Express slot, perfect for connecting POS systems, industrial equipment, security devices, scanners, and printers.Featuring the ASIX AX99100 chipset, it supports a 256-byte FIFO for efficient data transfer. Compatible with Windows XP, Vista, 7, 8.x, 10, 11 (32/64-bit) and Linux kernels from 2.6.x to 5.x, it ensures versatile deployment.Installation is easy with a plug-and-play setup. The full-size…
SpecPicks Verdict
SpecPicks classifies 2-Port PCIe RS-232 DB9 Serial Port Card - Windows XP/7/8/10/11 &… as a niche pick — read recent reviews before buying in the expansion cards category, based on 6 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. BZIZU'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 expansion cards 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 BZIZU's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ 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
- Expansion Interface: Easily add 2 RS232 DB9 serial ports to desktop PCs or industrial devices via the motherboard's PCI Express slot, meeting a variety of device connection needs
- Wide Compatibility: Seamlessly connect to DB9 serial devices such as POS systems, industrial testing and control equipment, security systems, logistics management devices, scanners, and printers, suitable for various application scenarios
- Multi-Platform Support: Driver compatible with Windows XP, Vista, 7, 8.x, 10, 11 (32/64-bit) and Linux kernels 2.6.x, 3.x, 4.x, 5.x, ensuring smooth installation and use across different systems
- Efficient Data Transmission: Utilizes the ASIX AX99100 solution, supporting 256-byte deep FIFO transmission, compatible with Intel, AMD, and ARM hardware platforms, providing stable serial data transmission performance
- Flexible Installation: Comes with a standard full-size bracket for standard PCs, and includes 2 low-profile brackets for perfect compatibility with slim PCs. Based on the PCIe X1 interface, compatible with X1, X4, X8, and X16 slots
- Important: Ensure your PC has an available PCIe slot, switch to the low-profile bracket for slim PCs, and install the correct driver from the Mini-CD for desktop use
Full Specifications
| Brand | BZIZU |
|---|---|
| Style | standard |
| Style Name | standard |
| Unit Count | 2.0 Count |
| Model Number | PCIe1X Dual Serial Card |
| Compatibility | PC, Switch, Linux |
| Mfr Part Number | PCIe1X Dual Serial Card |
| Operating System | Windows XP, Vista, 7, 8.x, 10, 11 (32/64 bit) and Linux kernel 2.6.x, 3.x, 4.x, 5.x |
| Compatible Devices | Personal Computer, Printer |
| Hardware Interface | PCI Express x1 |
| Warranty Description | One-year warranty |
| Item Dimensions L x W x H | 2.57"L x 0.63"W x 2.36"H |
Ready to buy?
2-Port PCIe RS-232 DB9 Serial Port Card - Windows XP/7/8/10/11 & Linux Compatible (32/64bit) for Fast Data Transfer (PCIe1X Dual Serial Card) 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 2026-05-24. Price and availability subject to change.
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