SUNIX SP
1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A)
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A) is a category leader on buyer feedback in the expansion cards category, priced around $21.59, rated 5.0★ across 2 verified Amazon reviews. A confident buy for most shoppers in this category.
The majority of today’s motherboards are not equipped with any RS-232 or Parallel port. With SUNIX MIO6469A Multi I/O board, users can expand one RS-232 COM and one IEEE1284 LPT ports to their system, allowing them to use serial and parallel devices further. This board is compatible with PCI Express x1, x2, x4, x8 and x16 lane, allowing the board to be installed in virtually any PC system. SUNIX MIO6469A built-in SUNIX high performance and realizable native PCI Express controller, and as well built with many of SUNIX advanced features and technologies, making it the advanced and high…
SpecPicks Verdict
SpecPicks classifies 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A) as a category leader on buyer feedback in the expansion cards category, based on 2 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. SUNIX SP's positioning sits comfortably above the category median. 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
- ✓ Highly rated — 5.0★ average across customer reviews
- ✓ Backed by SUNIX SP's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- New Sunix MIO6469A Expansion Multi I/O Card PCI-E PCI SP 1-Port RS-232 (DB9) + 1-Port Parallel (DM25)
Full Specifications
| Brand | SUNIX SP |
|---|---|
| Style | Protection |
| Style Name | Protection |
| Model Number | MIO6469A |
| Mfr Part Number | MIO6469A |
| Operating System | Linux,Microsoft,Windows |
| Compatible Devices | Personal Computer, Printer |
| Hardware Interface | PCI |
Ready to buy?
1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A) 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 2026-05-26. Price and availability subject to change.
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