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Western Digital Raptor 3.5in 74GB SATA NCQ Internal Hard Drive, 10K RPM, 16MB Buffer, Model: WD740ADFDSome 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.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. This is an OEM 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. FlexPower: Connector technology that accepts power from either industry standard or new SATA power supplies. Specifications: Formatted Capacity: 74,356 MB. Capacity: 74 GB. Interface: SATA 150 MB/s. User Sectors Per Drive: 145,226,112. 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). Dimensions: Height 1.028 Inches (Max). Length 5.787 Inches (Max). Width 4.00 Inches (+/- 0.010 inch). Applications: Servers, network attached storage, scientific computing, video surveillance, enterprise backup, document and image management, digital video. References: | Western Digital Company Website | Limited Warranty: 90-day from invoice date with Directron.com. No Returns Allowed. Customer is responsible for returning defective products including DOA due to manufacturer unless testing is paid before shipping. (cj082107) Notes: (1) This OEM hard drives do not come with installation guide or manual. Please use our online hard drive Installation Guidelines and Troubleshooting Tips. (2) Hard drives should be installed by professionals or experienced PC users. (3) If you intend to install this drive in a 5.25" bay, you'll need a hard drive mounting kit. (4) 1 GB = 1,000,000,000 bytes. Available capacity will be less. Reported capacity will vary. Related Items: | WD Hard Drive | 80GB and Under SATA Hard Drives | SATA HDD | Hard Drives | SATA Controller | SATA Cables | SATA MB | SATA Mobile Rack | Accessories - Hard Drives | |
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