StarTech.com 4 Drive 2.5in Removable SAS SATA Mobile Rack Backplane Quickly and easily install or remove SATA and/or SAS drives without having to open the chassis A durable aluminum construction and 25,000+ insertion rating ensures longevity from both the drives and backplane Maximize performance, with file transfer speeds up to 6Gbps when paired with SATA III HDD and controller Holds up to four 2.5" SATA/SAS drives across one 5.25" bays Dual 40mm cooling fans Durable, vented aluminum construction 25,000+ insertion rating Power/Activity LED for each drive Quickly and easily install or remove SATA and/or SAS drives without having to open the chassis A durable aluminum construction and 25,000+ insertion rating ensures longevity from both the drives and backplane Backed by a StarTech.com 2-year warranty and free lifetime technical support Holds up to four 2.5" SATA/SAS drives across one 5.25" bays Dual 40mm cooling fans Durable, vented aluminum construction 25,000+ insertion rating Power/Activity LED for each drive