2 Port PCI Express RS232 DB9 Serial Port Card PCIe Serial Expansion Card PCIe
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Feature: 1. PCIE X1 INTERFACE: The full size bracket on this expansion card is suitable for standard size PCs, based on PCIE X1 interface, and can work in X1, X4, X8, X16 slots. SUPPORTS 256 BYTE DEPTH: The PCIe serial expansion card selects the for ASIX AX99100 program, which supports on chip 256 byte depth FIFO transfers.
SpecPicks Verdict
SpecPicks classifies 2 Port PCI Express RS232 DB9 Serial Port Card PCIe Serial Expansion C… as a niche pick — read recent reviews before buying in the expansion cards category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. 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
- ✓ 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
Full Specifications
| port_type | DB9 |
|---|---|
| serial_ports | 2 |
Ready to buy?
2 Port PCI Express RS232 DB9 Serial Port Card PCIe Serial Expansion Card PCIe 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 2026-05-12. Price and availability subject to change.
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