User manual HITACHI ULTRASTAR 2XP DATASHEET

[. . . ] IBM Ultrastar 2XP 3. 5-Inch 4. 5 and 9. 1 GB High-Performance Disk Drives Superior performance and capacity for advanced storage applications Highlights ---------7200 RPM drives with fast average data access times The Ultrastar 2XP is designed for applications demanding fast access to large amounts of data such as large-scale imaging, graphics and multimedia, as well as high-speed network server and multi-user database applications. Embedded sector servo technology Ultrastar 2XP drives use an embedded sector servo implementation, eliminating the need for dedicated servo surfaces and the repetitive thermal calibration routines that can dramatically impact the high-speed data streams required for multimedia and video applications. [. . . ] The average sustained data rate of 9. 2 MB/sec. is ideal for multimedia and audio visual systems that require higher throughput. Ultra SCSI implementation ------------------------Ultrastar 2XP offers SCSI-3 Fast-20 (Ultra SCSI), which doubles the burst data transfer rate to 20 MB/sec. Fast-20 SCSI minimizes the time any one peripheral controls the SCSI bus. This allows Fast-20 SCSI to offer superior performance over normal SCSI when many devices share the same cable. Ultrastar 2XP drives are available with a variety of SCSI-2 interface models: 50-pin Fast single-ended, 68-pin Fast/Wide single-ended or Differential, and 80-pin single ended. The IBM Ultrastar 2XP drives are also available with an advanced Serial Storage Architecture (SSA) interface for more flexible configurations and performance rates that can reach 80 MB/sec. per link, 4 links). Ultrastar 2XP 3. 5-inch 4. 5 and 9. 1 GB Disk Drives DCHS-34550/-39100 DCHC-34550/-39100 ---------------------------------------------------------------------------------------Configuration ---------------------------------------------------------------------------------------Interface SCSI-2 F&FW/SCSI-3 Fast-20 SSA ---------------------------------------------------------------------------------------Formatted Capacity (512 Bytes) 4550/9100 MB(1) ---------------------------------------------------------------------------------------Number of Disks 5/9 ---------------------------------------------------------------------------------------Number of Heads 9/18 ---------------------------------------------------------------------------------------Areal Density (Maximum) 829 Mbits/sq. in. ---------------------------------------------------------------------------------------Recording Density (Maximum) 134, 500 BPI ---------------------------------------------------------------------------------------Track Density 6160 TPI ---------------------------------------------------------------------------------------Bytes Per Sector 512-740 ---------------------------------------------------------------------------------------Disk Type Thin Film ---------------------------------------------------------------------------------------- Channel PRML ---------------------------------------------------------------------------------------Actuator Type Rotary VCM ---------------------------------------------------------------------------------------Head Type Magneto-Resistive (MR) ---------------------------------------------------------------------------------------Performance ---------------------------------------------------------------------------------------Media Data Rate (Banded) 81. 6-123. 4 Mbits/sec. ---------------------------------------------------------------------------------------Interface Transfer Rate (Maximum) 20. 0-40. 0 MB/sec. (2) 80. 0 MB/sec. (3) ---------------------------------------------------------------------------------------Access Times (Pop. avg. ) Average read 7. 5/8. 5 ms Track-to-track read 0. 5 ms ---------------------------------------------------------------------------------------Rotational Speed 7200 RPM ---------------------------------------------------------------------------------------Latency (Average) 4. 17 ms ---------------------------------------------------------------------------------------Buffer Size 512 KB(4) ---------------------------------------------------------------------------------------Reliability ---------------------------------------------------------------------------------------MTBF(5)(Projected power-on hours) 1, 000, 000 ---------------------------------------------------------------------------------------Recoverable Read Errors (QPE enabled) 10 in 10E13 Bits Read ---------------------------------------------------------------------------------------Non-Recoverable Read Errors (Pop. avg. ) 10 per 10E15 Bits Read ---------------------------------------------------------------------------------------Seek Errors 10 per 10E8 Seeks ---------------------------------------------------------------------------------------Predictive Failure Analysis/S. M. A. R. T. Yes ---------------------------------------------------------------------------------------Power ---------------------------------------------------------------------------------------Start-up Current (Average) 1. 7/2. 7 Amps ---------------------------------------------------------------------------------------Idle (Average) 10. 4/13. 6 Watts ---------------------------------------------------------------------------------------Read/Write (Average) 12. 4/16. 0 Watts ---------------------------------------------------------------------------------------Power Consumption Efficiency Index . 0023/. 0015 Watts/MB(6) ---------------------------------------------------------------------------------------Physical Size ---------------------------------------------------------------------------------------Height 25. 4/41. 3 mm ---------------------------------------------------------------------------------------Width 101. 6 mm ---------------------------------------------------------------------------------------Depth 146 mm ---------------------------------------------------------------------------------------Weight 460/850 g ---------------------------------------------------------------------------------------Mounting Industry standard, all orientations ---------------------------------------------------------------------------------------Environmental Characteristics Operating Non Operating ---------------------------------------------------------------------------------------Temperature (degrees) 5 to 55 C -40 to 65 C ---------------------------------------------------------------------------------------Relative Humidity (Non-condensing) 5% to 90% 5% to 95% ---------------------------------------------------------------------------------------Shock (11ms) 10 G 70 G ---------------------------------------------------------------------------------------Vibration 0. 5 G 2G ---------------------------------------------------------------------------------------(1) 1 MB = 1, 000, 000 Bytes<br> (2) 40 MB/sec represents SCSI-3 Wide<br> (3) 40 MB/sec per link, 4 links<br> (4) Up to 128 KB used for firmware<br> (5) MTBF definition available upon request<br> (6) Idle Power Dissipation/Formatted Capacity<br> This is one of many storage product offerings from IBM. General product information for IBM storage products is available 24 hours a day, 7 days a week, via fax or internet. Using a touch tone phone, dial 1-415-855-4773 and follow the voice prompts or access internet at "http://www. storage. ibm. com/storage/oem/menu1. htm". [. . . ] No-ID and Predictive Failure Analysis are trademarks and IBM is a registered trademark of International Business Machines Corporation. IBM Corporation Storage Systems Division 5600 Cottle Road San Jose, CA 95193 (408) 256-8000 European Headquarters: (44) 1705 486 363 Japan Headquarters: (0466) 45-1384 Asia-Pacific Headquarters: (65) 320-1503 [. . . ]