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Kingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header, Up to 5 Gbps for Maximum Transfer Speed, Extend Your USB 3.0 Port On Motherboard to Back Of Your Computer Case [KW-PCI2USB3]
Kingwin

Kingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header

Bottom line: The Kingwin USB 3.0 Dual Port PCI Bracket Cable: Adds two rear USB 3.0 ports from an unused motherboard 20-pin header; main trade-off: requires a free internal 20-pin USB 3.0 header, which older boards lack.

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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

  • ✓ Adds two rear USB 3.0 ports from an unused motherboard 20-pin header
  • ✓ 5 Gbps USB 3.0 throughput, roughly 10x USB 2.0 speeds
  • ✓ Steel PCI bracket mounts in any standard rear expansion slot
  • ✓ 18-inch cable reaches headers on full-size ATX boards

Cons

  • ✗ Requires a free internal 20-pin USB 3.0 header, which older boards lack
  • ✗ Consumes a rear expansion slot you may want for a card
  • ✗ No USB-C or USB 3.1 Gen 2 support at 5 Gbps ceiling
  • ✗ Bracket only, not a full-height/low-profile dual option

Manufacturer description

Kingwin 18" Two Port USB 3.0 Bracket Cable with Built-In 20 Pin Header

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SpecPicks Verdict

SpecPicks scored Kingwin USB 3.0 Dual Port PCI Bracket Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. Kingwin's cables & connectors 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 cables & connectors 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

  • Supports USB 3.0 for maximum data transfer
  • Easy to install and compatible with most cases
  • Steel Bracket for rear side of the case
  • Extned your USB 3.0 on the motherboard to the back of your desktop case

Full Specifications

BrandKingwin
ColorBlack
Unit Count1.0 Count
ConnectivityUSB
Model NumberKW-PCI2USB3
Connector TypeUSB 3.0
Item Dimensions18 x 4.75 x 0.75 inches
Mfr Part NumberKW-PCI2USB3
Number of Items1
Number of Ports2
Compatible DevicesPC
Smart Home CompatibilityNot Smart Home Compatible
Item dimensions L x W x H18 x 4.75 x 0.75 inches
Specific Uses For Productpersonal
Global Trade Identification Number00812348012054
Full listing titleKingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header, Up to 5 Gbps for Maximum Transfer Speed, Extend Your USB 3.0 Port On Motherboard to Back Of Your Computer Case [KW-PCI2USB3]

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Kingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header, Up to 5 Gbps for Maximum Transfer Speed, Extend Your USB 3.0 Port On Motherboard to Back Of Your Computer Case [KW-PCI2USB3] 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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Kingwin USB 3.0 Dual Port PCI Bracket Cable with Built-In-20-Pin Header, Up to 5 Gbps for Maximum Transfer Speed, Extend Your USB 3.0 Port On Motherboard to Back Of Your Computer Case [KW-PCI2USB3]
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