2 Ports Dual Bidirectional RS-232 DB9 9-pin Serial Port to PCI I/O Card Adapter
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
PCI Series Adapter Card 2 PortsFeatures:Plug and Play, automatically assigned IRQ and I / O address.Support PCI I / Q shared.You can manually change the port number of additional serial port card.Consistent with PCI Rev2.1 Agreement.Consistent with standard input and output of 16C550 UART with 16 byte transmit-receive FIFO.Transfer rate up to 1 Mbytes / sec.Two DB9 serial port connectors.Support Hot swapping.Support PC with 32-bit PCI slot, MS Windows 98SE / Me / 2000 / XP /Linux, Vista, Win 7, Win 8.Package Included:1 x 2-port PCI Serial Adapter Card1 x Driver CD
SpecPicks Verdict
SpecPicks classifies axGear 2 Ports Dual Bidirectional RS-232 DB9 9-pin Serial Port to… as a niche pick — read recent reviews before buying in the expansion cards category, based on 9 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. axGear'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
- ✓ Plug and Play, automatically assigned IRQ and I / O address.
- ✓ Backed by axGear'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
- Plug and Play, automatically assigned IRQ and I / O address.
- You can manually change the port number of additional serial port card.
- Support PCI I / Q shared.
- Consistent with PCI Rev2.1 Agreement.
- Consistent with standard input and output of 16C550 UART with 16 byte transmit-receive FIFO.
Full Specifications
| Brand | axGear |
|---|---|
| Style | Classic |
| Style Name | Classic |
| Unit Count | 1 Count |
| Model Number | SERIAL-PCI |
| Mfr Part Number | SERIAL-PCI |
| Operating System | Windows, Linux |
| Compatible Devices | Personal Computer |
| Hardware Interface | PCI |
Ready to buy?
axGear 2 Ports Dual Bidirectional RS-232 DB9 9-pin Serial Port to PCI I/O Card Adapter 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.