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StarTech PCI Express to PCI Adapter Card, TAA (PEX1PCI1) | PCIe to PCI Converter Adapter with Low Profile / Half-Height Bracket
StarTech.com

StarTech.com StarTech PCI Express to PCI Adapter Card

Bottom line: The StarTech.com StarTech PCI Express to PCI Adapter Card ($46.08 on Amazon as of 2026-10-06): Runs legacy PCI cards in a modern PCIe x1 slot with no onboard PCI header; main trade-off: PCIe 1.0a caps bandwidth at 250MBps, not for high-throughput cards.

$46.08

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Runs legacy PCI cards in a modern PCIe x1 slot with no onboard PCI header
  • ✓ Plug-and-play with no driver or software install required
  • ✓ Included LP4 connector powers universal 3.3V/5V PCI cards
  • ✓ Ships with low-profile and full-height brackets for any case
  • ✓ PCIe 1.0a compliant, up to 250MBps for the PCI slot

Cons

  • ✗ PCIe 1.0a caps bandwidth at 250MBps, not for high-throughput cards
  • ✗ Provides a single PCI slot, no PCI-X or multi-card expansion
  • ✗ Costs more than a plain PCI riser for occasional legacy use
  • ✗ Card clearance can be tight in slim desktop or 1U server cases

Manufacturer description

This PCIe to PCI Adapter Card lets you use low profile PCI expansion cards in a server or desktop motherboard PCI Express slot. Compliant with PCI Express Specification 1.0a and PCI Specification 2.2, the adapter card connects through a PCIe 1x slot to provide a low profile PCI slot in its place. A spare full size bracket for PCI Express card is also included for use in larger desktop or server PCI Express slots. A versatile solution, the adapter card converts PCIe to PCI or PCI-X; a built-on LP4 power connector links the card to the computer power supply, allowing you to install universal…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech PCI Express to PCI Adapter Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com'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

  • Innovative bracket design adapts and secures the existing half-height/low profile bracket of the PCI Card
  • PCI Express base spec 1.0a compliant for up to 250MBps of available bandwidth
  • LP4 Power Connector Included for Universal Voltage PCI Cards (3.3V/5V)
  • Compliant with PCI Express to PCI/PCI-X Bridge spec 1.0
  • No driver or software installation

Full Specifications

BrandStarTech.com
StylePCI Express to PCI
Style NamePCI Express to PCI
Unit Count1.0 Count
Model NumberPEX1PCI1
Mfr Part NumberPEX1PCI1
Compatible DevicesDesktop
Hardware InterfacePCI
Warranty Description2 Years
Item Dimensions L x W x H5.3"L x 2.8"W x 0.8"H
Global Trade Identification Number00065030834629
Full listing titleStarTech PCI Express to PCI Adapter Card, TAA (PEX1PCI1) | PCIe to PCI Converter Adapter with Low Profile / Half-Height Bracket

Ready to buy?

StarTech PCI Express to PCI Adapter Card, TAA (PEX1PCI1) | PCIe to PCI Converter Adapter with Low Profile / Half-Height Bracket 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.

Buy on Amazon — $46.08

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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