Big engineering sample label on the underside but here's a 3.84TB SAS SSD for $863.
SanDisk Optimus MAX 2.5" Inch SFF SAS SSD 3.84TB 4TB SXMLLD SDLLOCDR-038T-5C10 | eBay
SanDisk Optimus MAX 2.5" Inch SFF SAS SSD 3.84TB 4TB SXMLLD SDLLOCDR-038T-5C10 | eBay