Western Digital Raptor WD740ADFS 74GB SATA Enterprise Hard Drive
Capacity: 73GB
Spindle Speed: 10,000RPM
Interface Type: SATA
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps):
Average Seek Time (read/write ms):
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 16MB
Product Benefits
WD produces the world’s most reliable SATA drives. With 1.2 million hours MTBF, enterprise duty cycle, 5-year warranty, next-generation SATA TECHNOLOGY, and state-of-the-art vibration tolerance, WD Raptor drives offer the best combination of reliability, high capacity, and performance for enterprise applications.
Product Features
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.
Drive specification |
WD740ADFS |
Formatted Gbytes (512 bytes/SECTOR |
74 |
Bytes per SECTOR |
512 |
Spindle speed (RPM) |
10,000 |
Cache buffer |
16 Mbytes |
Interface Type |
Serial ATA-3.0Gb/s |
Average latency |
2.99 ms |
Seek time (read / write) ms |
4.6 / 5.2 |
Track-to-track seek – Read |
0.3 ms (average), 0.6 (maximum) |
Track-to-track seek – Write |
0.4 ms (average), 0.75 (maximum) |
Start/stop cycles |
20,000 minimum |
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