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| EIDE WD Caviar Special Edition hard drives are designed to maximize desktop computer performance for activities requiring high-performance storage such as computer gaming, digital video editing, and file server applications. Offering capacities as large as 250 GB and equipped with an 8 MB buffer--the largest buffer available today in a desktop EIDE hard drive--the WD Caviar Special Edition family delivers data to users faster than any hard drive in its class. Superior Performance 3.5-inch/1-inch The Special Edition hard drive provides a higher percentage of cache hits and significantly faster time to data than industry standard 2 MB versions. Within the complex operations of hard drives, the buffer is used to hold the results of recent reads from the disk and also to "pre-fetch" information that is likely to be requested in the near future. The use of an increased buffer improves the performance by reducing the number of physical accesses to the disk and allowing data to stream from the disk uninterrupted by mechanical operations. 40 to 250 GB Data Protection Enhancements Data LifeguardTM is an expanded set of data protection tools that includes shock protection, an environmental protection system, and embedded error detection and repair features that automatically find, isolate, and repair problem areas that may develop over the extended use of the hard drive. With these enhanced data reliability features, the drive can perform more accurate monitoring and error repair and deliver exceptional data security. Data Lifeguard ToolsTM is a set of software utilities that work in conjunction with the embedded Data Lifeguard features to make hard drive installation, drive management diagnostics, and repair simple and worry-free. Shock Guard TM provides outstanding improvements in shock and vibration protection for the newest WD Caviar drives. Shock Guard allows instantaneous data protection at high shock values to achieve leading shock specifications. IMPORTANT: Use Data Lifeguard Tools 10.0 or later installation software to access the full capacity of your hard drive. Hard drives larger than 137 GB require a controller card to utilize full drive capacity. WD400JB WD600JB WD800JB WD1000JB WD1200JB WD1600JB WD1800JB WD2000JB WD2500JB Note: All products may not be available in all regions of the world. The Western Digital Promise Western Digital understands the importance of the data stored on our hard drives. We are committed to providing our customers with reliable, high-performance storage products and superior customer support and services. WD Caviar (R) WD Caviar Special Edition Western Digital EIDE Hard Drives WD Caviar Special Edition Specifications 40 GB Physical Specifications Interface Form factor Formatted capacity 1 Actuator type Bytes per sector (STD) User sectors per drive Model numbers EIDE 3.5-inch 40,020 MB Rotary Voice Coil 512 78,165,360 WD400JB EIDE 3.5-inch 60,022 MB Rotary Voice Coil 512 117,231,408 WD600JB EIDE 3.5-inch 80,026 MB Rotary Voice Coil 512 156,301,488 WD800JB EIDE 3.5-inch 100,030 MB Rotary Voice Coil 512 195,371,568 WD1000JB EIDE 3.5-inch 120,034 MB Rotary Voice Coil 512 234,441,648 WD1200JB EIDE 3.5-inch 160,041 MB Rotary Voice Coil 512 312,581,808 WD1600JB EIDE 3.5-inch 180,045 MB Rotary Voice Coil 512 351,651,888 WD1800JB EIDE 3.5-inch 200,049 MB Rotary Voice Coil 512 390,721,968 WD2000JB EIDE 3.5-inch 250,059 MB Rotary Voice Coil 512 488,397,168 WD2500JB 60 GB 80 GB 100 GB 120 GB 160 GB 180 GB 200 GB 250 GB Performance Specifications Average latency 4.2 ms Rotational speed 7200 RPM Data transfer rate (Buffer to host) - Mode 5 Ultra ATA 2 100 MB/s - Mode 4 Ultra ATA 2 66.6 MB/s - Mode 2 Ultra ATA 2 33.3 MB/s - Mode 2 DMA 2 16.6 MB/s - Mode 4 PIO 2 16.6 MB/s Buffer 8 MB Warranty 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years 4.2 ms 7200 RPM 100 MB/s 66.6 MB/s 33.3 MB/s 16.6 MB/s 16.6 MB/s 8 MB 3 years Average read seek Track-to-track seek 3 Full stroke read seek 3 Read cache Write cache Drive ready time Start/stop cycles Master/slave support IORDY support Error rate (Non-recoverable) 8.9 ms (average) 2.0 ms (average) 21 ms (average) Adaptive Yes 7.0 sec average 50,000 min Yes Yes <1 in 10 14 bits read 1 2 3 Western Digital defines a megabyte (MB) as 1,000,000 bytes, and a gigabyte (GB) as 1,000,000,000 bytes. Maximum burst rate running the specified PIO, DMA, or Ultra ATA transfer mode. On reads and writes. For service and literature: 800.ASK.4WDC USA +31.20.4467651 Europe support.wdc.com www.westerndigital.com Western Digital, the Western Digital logo, and WD Caviar are registered trademarks and Data Lifeguard, Data Lifeguard Tools, Shock Guard, and FIT Lab are trademarks of Western Digital Technologies, Inc. Other marks may be mentioned herein that belong to other companies. Product specifications subject to change without notice. (c) 2003 Western Digital Technologies, Inc. All rights reserved. Western Digital 20511 Lake Forest Drive Lake Forest, California 92630 2879-001044-007 S0828 05/03 |
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