Vintage ISA Interface Card w/ INS8250N-B UART | Dual Serial D-Sub Ports | RTC Ba
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
The board is inused condition and may show signs of age such as dust, scratches, or discoloration. Bus Type: ISA. 1x ISA Interface Card (6278021). 2x External D-Sub serial ports. Part Number: 6278021.
SpecPicks Verdict
SpecPicks classifies Vintage ISA Interface Card w/ INS8250N-B UART | Dual Serial D-Sub Por… 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
| ports | 2x DB-9 serial |
|---|---|
| features | RTC |
| uart_chip | INS8250N-B |
| bus_width_bit | 8 |
Ready to buy?
Vintage ISA Interface Card w/ INS8250N-B UART | Dual Serial D-Sub Ports | RTC Ba 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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