Feature	Specification
Physical Layout
Label Capacity	200 GB
Bytes per Sector	512
Sectors per Track	594-1242
Number of Heads	4
Number of Disks	2
Data Sectors per Cylinder	2376-4968
Data Cylinders per Zone	500-6500
Logical Layout
Number of Heads	16
Number of Sectors per Track	63
Number of Cylinders	16 383
Number of Sectors	390 721 968
Total Logical Data Bytes	200 049 647 616
Mechanical Positioning Performance
Data Transfer Rates	807.8 Mbps
Interface Transfer Rates	133 Mb/s
Data Buffer Size	8192 KB
Rotational Speed	7200 RPM
Number of Buffer Segments	Read: up to 128 Write: up to 63
Recording Density	718.8 Kbpi max.
Track Density	110 TPI
Areal Density	79.1 Gbits/in2
Number of Data Bands	30
Command Overhead (Drive is in Quiescent State)
Read (Cache Not Hit)	0.3 typ. (from Command Write to Seek Start)
Read (Cache Hit)	0.1 typ. (from Command Write to DRQ)
Write	0.015 typ. (from Command Write to DRQ)
Seek	0.3 typ. (from Command Write to Seek Start)
Average Seek Time (Including Settling)
Read	8.2 ms typ. 9.2 ms max.
Write	9.2 ms typ. 10.2 ms max.
Read (Quiet Seek mode)	19.5 ms typ. 20.5 ms max.
Write (Quiet Seek mode)	20.5 ms typ. 21.5 ms max.
Full Stroke Seek Time (Without Command Overhead Including Settling)
Read	14.7 ms typ. 17.7 ms max.
Write	15.7 ms typ. 18.7 ms max.
Read (Quiet Seek mode)	32.5 ms typ. 35.5 ms max.
Write (Quiet Seek mode)	33.5 ms typ. 36.5 ms max.
Head Switch Time	1.4 ms typ.
Single Track Seek Time (Without Command Overhead Including Settling)
Read	0.8 ms typ. 1.5 ms max.
Write	1.3 ms typ. 2.0 ms max.
Read (Quiet Seek mode)	0.8 ms typ. 1.5 ms max.
Write (Quiet Seek mode)	1.3 ms typ. 2.0 ms max.
Average Latency	4.17 ms
Drive Ready Time (Power On to Ready)	8 ms typ. 20 ms max.
Data Transfer Speed
Disk-Buffer Transfer (Zone 0)	Instantaneous: 79.6 MB/sec typ. Sustained read: 67.8 MB/sec typ.
Disk-Buffer Transfer (Zone 29)	Instantaneous: 38.7 MB/sec typ. Sustained read: 32.9 MB/sec typ. Buffer to host: 133 MB/sec max.
Random Access Read	54.6 sec typ. 57.2 sec max.
DC Power Requirements
Input Voltage Supply	+5 V +12 V
Voltage During Run and Spin Up	5 V ? 5% 12 V + 10% ?8%
Absolute Max Spike Voltage	+5 V: ?0.3 to 7 V +12 V: ?0.3 to 15 V
Supply Rise Time	+5 V: 0 to 5 sec +12 V: 0 to 5 sec
Power Supply Current (Typical)
Idle Average	+5 V: 280 mA +12 V: 320 mA Total: 5.24 W
Low RPM Idle	+5 V: 160 mA +12 V: 160 mA Total: 2.72 W
Unload Idle Average	+5 V: 160 mA +12 V: 270 mA Total: 4.04 W
Random R/W Average	+5 V: 500 mA +12 V: 600 mA Total: 9.70 W
Silent R/W Average	+5 V: 500 mA +12 V: 400 mA Total: 7.3 W
Start Up Maximum	+5 V: 900 mA +12 V: 1880 mA
Standby Average	+5 V: 150 mA +12 V: 15 mA Total: 0.93 W
Sleep Average	+5 V: 100 mA +12 V: 15 mA Total: 0.68 W
Environmental
Temperature	Operating: 5° C to 55° C Non-operating: ?40° C to 65° C
Relative Humidity	Operating: 8% to 90% non-condensing Non-operating: 5% to 95% non-condensing
Maximum Wet Bulb Temperature	Operating: 29.4° C non-condensing Non-operating: 35° C non-condensing
Maximum Temperature Gradient	15° C/hour
Altitude	Operating: ?300 to 3 048 m Non-operating: ?300 to 12 000 m
Reliability
Start/stop cycles	Minimum 50 000 start/stop cycles in a 40° C environment Minimum 10 000 start/stop cycles in extreme temperature or humidity within the operating range
Data Reliability (Non-Recoverable Error)	1 in 1014 bits read
Physical
Dimensions (H × W × L)	Approximately 25.4 × 101.6 × 146.0 mm
Weight	640 grams max.
Certifications
Safety	UL 1950 Third Edition CAN/CSA C22.2 No.950-M95 Third Edition TUV N60950:1992+A1-4
Electromagnetic compatibility	FCC Class B Part 15 EEC 76/889 VDE IBM National Bulletin NB 2-0001-400 NB 2-0001-401 and NB 2-0001-403.