OWC Accelsior S PCIe Adapter for 2.5-inch SATA… vs 4 Port SATA III Expansion Card with Low Profile… — Head-to-Head (2026)

Side-by-side comparison. Specs, prices, user ratings, and our verdict.

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

$27.99

$28.99

*Price sourced from Amazon.com. Price and availability subject to change.

Spec	OWC Accelsior S PCIe Adapter for…	4 Port SATA III Expansion Card with…
Brand	OWC	IO CREST
Style	PCIe Card	MV 4-Port
Weight	3g	6g
Style Name	PCIe Card	MV 4-Port
Model Number	SSDACL6G.S	SI-PEX40064
Compatibility	PC, Mac	Linux
Built-In Media	OWC Accelsior S	4 X Sata Cables (16"), Driver Cd, Low Profile Bracket, Sata Iii (6Gbps) 8-Port Pci-Express Controller Card, User Manual
Mfr Part Number	SSDACL6G.S	SI-PEX40064
Operating System	Mac OS	other
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)	Laptop, Personal Computer
Hardware Interface	SATA 6.0 Gb/s	PCI Express x1
Item Dimensions L x W x H	8.6"L x 6.3"W x 1.9"H	—
Global Trade Identification Number	00812437021035	—
Chipset	—	Marvell 88SE9215

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