Dell C4DY8 Compatible 600GB 15K SAS 6Gb/s LFF 3.5&rdquo; Internal OEM Enterprise Hard Drive for Dell Servers/Arrays in Dell Hot Swap Caddy Not Dell branded drives 100 percent Dell Compatible: New Enterprise Grade 24x7 Cycle Duty drives selected to Dell Specifications WD, Seagate, HGST Branded HDD installed in Genuine DELL Caddies Backed by a 2 Year Seller Replacement Warranty Optimized for Server and Storage Arrays, not intended for PC use