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Thursday, May 29, 2008
WD unveils VelociRaptor, world's fastest SATA HDD


Engineered for maximum speed, WD VelociRaptor, the newest member of the unique class of 10,000 RPM SATA hard drives, combines a SATA 3 Gb/s interface and 16 MB cache, to deliver performance that's up to 35% faster than its speedy older brother, the WD Raptor.

The drive is designed with an enterprise-class foundation and is modified specifically for PC and Mac enthusiasts and professional workstations, according to the manufacturer.

Physical Specifications

300 GB
- Formatted capacity --> 300,069 MB
- User sectors per drive --> 586,072,368
- WD model number --> WD3000GLFS
- SATA latching connector --> Yes
- Bytes per sector (STD) --> 512
- Form factor --> 3.5-inch*
- Interface SATA --> 3 Gb/s
- RoHS compliant --> Yes


*A 2.5-inch drive in a 3.5-inch IcePack heat sink mounting frame.

Performance Specifications

- Average latency --> 5.5 ms
- Buffer --> 16 MB

Cache
- Read --> Adaptive
- Write --> Yes
- Data transfer rate (buffer to host) --> 3 Gb/s (maximum)
- Drive ready time --> 7.0 sec (average), 10 sec (maximum)
- Error rate (non-recoverable) --> <1 in 1015 bits read
- LBA support --> Yes
- Rotational speed --> 10,000 RPM

Seek time
- Read --> 4.2 ms (average)
- Write --> 4.7 ms (average)
- Track-to-track seek time --> 0.7 (maximum)
- Load/unload cycles --> 50,000 minimum
- Limited warranty --> 5-year


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