Western Digital Serial ATA (SATA), Raptor 3.5" Internal Hard Drive 74GB, 10,000 RPM. 5 Year WarrantyMODEL: WD740GD VENDOR: WESTERN DIGITAL FEATURES: Enterprise Serial ATA WD Raptor Drive- 74 GB WD Raptor is a new class of hard drive that matches SCSI reliability and performance while providing simplified connectivity for less cost than Parallel SCSI drives. SPECIFICATIONS: -GENERAL - Rotational Speed : 10,000 RPM (nominal) Buffer Size : 8 MB Average Latency : 2.99 ms (nominal) Contact Start/Stop Cycles: 20,000 minimum CONFIGURATION- Number of Heads : 2 Formatted Capacity : 74,356 MB Capacity : 74 GB Interface : ESATA Actuator Type : Rotary Voice Coil Number of Platters : 2 Bytes Per Sector : 512 User Sectors Per Drive : 145,226,112 Servo Type :Embedded SEEK TIMEs- Average Read Seek Time (Average) : 4.5 ms Write Seek Time (Average): 5.9 ms (average) Track-To-Track Seek Time : 0.6 ms (average) Full Stroke Seek : 10.2 ms (average) TRANSFER RATEs- Buffer To Host (Serial ATA): 1,200 Mbits/s (Max) Buffer To Disk : 816 Mbits/s (Max) ACOUSTICS- Idle Mode: 32 dBA (average) Seek Mode 0: 36 dBA (average) CURRENT REQUIREMENTS- 12 VDC Read/Write: 349 mA Idle: 338 mA Standby: 15.9 mA Sleep: 16 mA 5 VDC Read/Write: 706 mA Idle: 770 mA Standby: 314 mA Sleep: 184 mA Power Dissipation Read/Write: 8.4 Watts Idle: 7.9 Watts Standby: 1.8 Watts Sleep: 1.1 Watts SIZE - 4.0"w x 1.028"h x 5.787"d WT.- 1.60 lbs. (e-mail) customerservice@wdc.com MANUFACTURER WARRANTY: 5 YEAR Model: WD740GD |
