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Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal Port)) with Low Profile Bracket, Support Win 8 UASP
Sedna

Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal Port)) with Low Profile Bracket, Support Win 8 UASP

Bottom line: The Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $18.80 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$18.80

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Buy on Amazon — $18.80 Compare to similar expansion cards

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.

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

Pros & Cons

Pros

  • ✓ 2 x external and 2 x internal USB3.0 port with 20 Pin Connectors
  • ✓ Backed by Sedna'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

SEDNA PCI Express USB 3.0 4 Port Adapter (2External + 2 Port Internal with 20 Pin connector), with Low Profile Metal BracketSpecifications:Support Win 8 ( no need driver for Win 8, and please do not install our driver in Win 8, use the built-in driver from Win 8 )2 x external and 2 x internal USB3.0 port with 20 Pin Connectors Low Profile bracket for installation in small size HTPC case Each port provides DC 5V 1A via USB 3.0 connectorConnect to Floppy power cable of power supply or 4 Pin molex power connector with the included converter cableVIA VL812 chip setComplies with PCI Express Base…

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SpecPicks Verdict

SpecPicks scored Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal… using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. Sedna'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

  • Support Win 8 ( no need driver for Win 8, and please do not install our driver in Win 8, use the built-in driver from Win 8 )
  • 2 x external and 2 x internal USB3.0 port with 20 Pin Connectors
  • Includes both Standard and Low Profile bracket
  • Connect to Floppy power cable of power supply or 4 Pin molex power connector with the included converter cable
  • Supports Windows XP/2003/Vista/7/8/ 8.1/10/11

Full Specifications

BrandSedna
StyleClassic
Style NameClassic
ConnectivityUSB
Model Number101662209901 + 101703809900
Mfr Part Number101662209901 + 101703809900
Compatible DevicesPersonal Computer
Hardware InterfacePCI, USB 2.0, USB 3.0
Warranty Description12 months
Global Trade Identification Number04895135702914

Ready to buy?

Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal Port)) with Low Profile Bracket, Support Win 8 UASP 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 — $18.80

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

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Sedna - PCI Express USB 3.0 4-Port Adapter (2E 2I (20 Pin Internal Port)) with Low Profile Bracket, Support Win 8 UASP
$18.80
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