User manual WESTERN DIGITAL RAPTOR DATASHEET

[. . . ] WD Raptor Enterprise Hard Drives Killer Speed Unsurpassed Reliability Optimum Value ® Enterprise Hard Drives Interface SATA Some hard drive companies design desktop-class drives with the SATA interface. [. . . ] 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. Capacities 36 to 150 GB Model Numbers WD360ADFD WD740ADFD WD1500ADFD 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 (RAFFTM) -- optimizes operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage. FlexPowerTM -- connector technology that accepts power from either industry-standard or new SATA power supplies. 5-year warranty Note: Not all products may be available in all regions of the world. Applications Servers, network attached storage, scientific computing, video surveillance, enterprise backup, document and image management, digital video. The WD Promise NO ONE ES MORE T DO SA FEG UAR D YO WD understands the importance of the information you save to your hard drive and we are committed to protecting that data with exceptionally reliable products, advanced data protection technology, and superior customer support. No one does more to safeguard your data than WD. UR D ATA O WD Raptor Enterprise Hard Drives Enterprise Hard Drives Drive Specifications 36 GB Formatted capacity1 User sectors per drive WD model number SATA latching connector Bytes per sector (STD) Form factor Interface RoHS compliant2 37, 019 MB 72, 303, 840 WD360ADFD Yes 512 3. 5-inch SATA 1. 5 Gb/s Yes 74 GB 74, 356 MB 145, 226, 112 WD740ADFD 150 GB 150, 039 MB 293, 046, 768 WD1500ADFD Performance Specifications Average latency Buffer Cache Read Write Data transfer rate (buffer to host) Drive ready time Error rate (non-recoverable) LBA support MTBF Rotational speed Seek time Read Write Track-to-track seek Read Write Start/stop cycles Limited warranty4 2. 99 ms 16 MB Adaptive Yes 1. 5 Gb/s (maximum)3 7. 0 sec (average), 10. 0 sec (maximum) <1 in 1015 bits read Yes 1, 200, 000 hours 10, 000 RPM 4. 6 ms (average) 5. 2 ms (average) 0. 3 ms (average), 0. 6 (maximum) 0. 4 ms (average), 0. 75 (maximum) 20, 000 minimum 5-year For service and literature: support. wdc. com www. westerndigital. com 800. ASK. 4WDC 949. 672. 7199 +800. 6008. 6008 +31. 20. 4467651 North America Spanish Asia Pacific EMEA 1 1 gigabyte (GB)=1 billion bytes. WD complies with the Reduction of Hazardous Substances (RoHS) Directive 2002/95/EC of the European Parliament, which is effective in the EU beginning July 1, 2006. [. . . ] Western Digital 20511 Lake Forest Drive Lake Forest, California 92630 U. S. A. [. . . ]