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SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A)
Sunix

SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A)

Bottom line: The SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Backed by Sunix's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

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…

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SpecPicks Verdict

SpecPicks scored SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. Sunix's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

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

BrandSunix
StyleProtection
Style NameProtection
Model NumberMIO6469A
Mfr Part NumberMIO6469A
Compatible DevicesPersonal Computer, Printer
Hardware InterfacePCI

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SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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SUNIX SP 1-Port RS-232 + 1-Port Parallel PCI-E Card (MIO6469A)
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