Special Edition Caviar 250 GB, 7200 RPM Internal Hard Drive with 2MB Buffer,3.5in. diameter, EIDE, Ultra ATA/100MODEL: WD2500BB VENDOR: WESTERN DIGITAL CORP FEATURES: Caviar Hi-Performance 7200 Hard Drive- 250.0 GB, Bulk pack WD Caviar hard drives are the performance champions for advanced and mainstream desktop personal computers. * Data Lifeguard 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 Tools 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 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 version 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. PERFORMANCE SPECs GENERAL - Rotational Speed : 7,200 RPM (nominal) Buffer Size : 2 MB Average Latency : 4.20 ms (nominal) Contact Start/Stop Cycles: 50,000 minimum SEEK TIMES (Average)- Read Seek Time (Average) : 8.9 ms Write Seek Time (Average): 10.9 ms (average) Track-To-Track Seek Time : 2.0 ms (average) Full Stroke Seek : 21.0 ms (average) TRANSFER RATES- Buffer to Disk : 748 Mbits/s (Max) Buffer to Host (EIDE) Mode 5 Ultra ATA : 100.0 MB/s Mode 4 Ultra ATA : 66.6 MB/s Mode 2 Ultra ATA : 33.3 MB/s Mode 4 PIO : 16.6 |