Description:300GB 6Gb/s Serial Attached SCSI SAS 2.5-inch10K Single Port Slim Hot-Swap Hard DrivePart Number(s)IBM Option Part# 42D0637IBM Option Part# 42D0639IBM FRU# 42D0638IBM Part# 42D0641Overview:The IBM 300GB 10K rpm SAS-2 6GBps 2.5-inch SFF Slim HDDs provide a 2.5-inch form factor that can be used as Hot-Swap drives. The addition of a 300GB 10K rpm offering to the System x and BladeCenter blade family of 2.5-inch SAS HDDs makes it one of the highest-performing SFF options. These drives are positioned at the top of the SAS SFF HDD line based on increased performance and capacity.Specifications:Category IBM HardDriveSub-Category 10KGeneration G2HS SASPart Number 42D0641Products ID 477055Capacity 300GBInterface SAS-2Enclosure InternalHDD Form Factor 2.5 inchesSpindle Speed 10000RPMExternal Data Transfer Rate 600MB/sSeek Time 2.9msBuffer Size 16MBAverage Latency 2msInterface (Detailed) Serial Attached SCSI 2 (SAS-2)Hot Swap Yes