OWC

OWC Accelsior S PCIe Adapter for 2.5-inch SATA 6G Expansion Card Compatible with Mac Pro (2006-2012), Mac Pro 2019 and PC Towers

Name: OWC Accelsior S PCIe Adapter for 2.5-inch SATA 6G Expansion Card Compatible with Mac Pro (2006-2012), Mac Pro 2019 and PC Towers
Brand: OWC
SKU: B00WUZPMHE
Price: 27.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-23

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$27.99

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🛒 See live eBay price Also on Amazon — View Current Price → Compare to similar expansion cards

*Price sourced from Amazon.com. Price data may not reflect current market pricing — verify on Amazon before purchase. Price and availability subject to change.

Bottom line: The OWC Accelsior S PCIe Adapter for 2.5-inch SATA 6G Expansion Card Compatible with Mac Pro (2006-2012), Mac Pro 2019 and PC Towers is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $27.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Pros & Cons

Pros

✓ Sustained speeds up to 550 MB/s
✓ Backed by OWC's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ 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

SpecPicks Verdict

SpecPicks scored OWC Accelsior S PCIe Adapter for 2.5-inch SATA 6G Expansion Card… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the expansion cards category. OWC'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 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.

Key Features

Directly mount any standard 2.5-inch hard disk drive or solid-state drive to any PCIe x4 slot
Sustained speeds up to 550 MB/s
Enhance SATA 3G systems with SATA 6G support
Compatible With Mac Pro Mid 2006 - Mid 2012 (MacPro1,1 MacPro2,1 MacPro3,1 MacPro4,1 MacPro5,1), Mac Pro and Mac Pro Rack Late 2019 (MacPro7,1), Xserve Xeon Late 2006-2009 (Xserve1,1 Xserve2,1 Xserve3,1), PC Towers
3 Year OWC Limited Warranty

Full Specifications

Brand	OWC
Style	PCIe Card
Weight	3g
Style Name	PCIe Card
Model Number	SSDACL6G.S
Compatibility	PC, Mac
Built-In Media	OWC Accelsior S
Mfr Part Number	SSDACL6G.S
Compatible Devices	Mac Pro Mid 2006 - Mid 2012 (MacPro1,1 MacPro2,1 MacPro3,1 MacPro4,1 MacPro5,1) //Mac Pro and Mac Pro Rack Late 2019 (MacPro7,1), Xserve Xeon Late 2006-2009 (Xserve1,1 Xserve2,1 Xserve3,1)
Hardware Interface	SATA 6.0 Gb/s
Item Dimensions L x W x H	8.6"L x 6.3"W x 1.9"H
Global Trade Identification Number	00812437021035

Ready to buy?

OWC Accelsior S PCIe Adapter for 2.5-inch SATA 6G Expansion Card Compatible with Mac Pro (2006-2012), Mac Pro 2019 and PC Towers is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Price data may not reflect current market pricing — verify on Amazon before purchase. Price and availability subject to change.