Seagate ST300MP0014 Savvio 15K.2 SAS Product Manual - Page 16

4.3 Performance • Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance • 600 Mbytes/sec maximum instantaneous data transfers • 15k RPM spindle. Average latency = 2.0 msec • Background processing of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance Note. There is no significant performance difference between Self-Encrypting Drive and standard (nonSelf-Encrypting Drive) models. 4.4 Reliability • Annualized Failure Rate (AFR) of 0.55% • Mean Time Between Failures (MTBF) of 1,600,000 hours • Balanced low mass rotary voice coil actuator • Incorporates industry-standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty 4.5 Formatted capacities Standard OEM models are formatted to 512 bytes per block. The block size is selectable at format time and must be a multiple of 4 bytes. Users having the necessary equipment may modify the data block size before issuing a format command and obtain different formatted capacities than those listed. To provide a stable target capacity environment and at the same time provide users with flexibility if they choose, Seagate recommends product planning in one of two modes: Seagate designs capacity points at certain block sizes that Seagate guarantees current and future products will meet. We recommend customers use this capacity in their project planning, as it ensures a stable operating point with backward and forward compatibility from generation to generation. The current guaranteed operating points for this product are: Capacity (Blocks) ST9146852SS ST9146752SS ST9146652SS Sector Size Decimal Hex 512 286,749,488 11177330 520 280,790,185 10BC84A9 524 275,154,368 106685C0 528 272,662,935 10408197 ST973452SS ST973352SS ST973252SS Decimal Hex 143,374,744 88BB998 140,395,093 85E4255 137,577,184 83342E0 136,331,467 82040CB 8 Savvio 15K.2 SAS Product Manual, Rev. G