Western Digital 74GB 10,000rpm Raptor SATA Hard Drive
Description
Some hard drive
companies design desktop-class drives with the SATA interface.
To meet the demands of enterprise storage, WD is going one
better. WD is the only company combining a 10,000 RPM
enterprise-class mechanical platform with the SATA interface to
meet all the demands of the enterprise environment—reliability,
performance, and reduced cost.
Features and Benefits
Reliable
Designed and manufactured to enterprise-class standards to
provide enterprise reliability in high duty cycle
environments. With 1.2 million hours MTBF, these drives have
the highest available reliability rating on a high capacity
drive.
Fast
With a next-generation SATA interface, 1.5 Gb/s data
transfer rate, native command queuing (NCQ), and 16 MB
cache, these drives deliver optimum performance.
RAID-specific, time-limited error recovery (TLER)
A feature unique to WD, prevents drive fallout caused by the
extended hard drive error-recovery processes common to
desktop drives.
Rotary Acceleration Feed Forward (RAFF™)
Optimizes operation and performance when the drives are used
in vibration-prone, multidrive systems such as rack-mounted
servers or network storage.
FlexPower™
Connector technology that accepts power from either industry
standard or new SATA power supplies.
Specifications
Performance
Specifications
Rotational Speed
10,000 RPM (nominal)
Buffer Size 16 MB
Average Latency 2.99 ms (nominal)
Contact Start/Stop Cycles 20,000 minimum
Seek Times
Read Seek Time 4.6 ms
Write Seek Time 5.2 ms (average)
Track-To-Track Seek Time 0.4 ms (average)
Full Stroke Seek 10.2 ms (average)
Transfer Rates
Buffer To Host (Serial ATA) 1.5 Gb/s (Max)
Buffer To Disk 84 MB/s (Sustained)
Physical
Specifications
Formatted Capacity
74,356 MB
Capacity 74 GB
Interface SATA 150 MB/s
User Sectors Per Drive 145,226,112
