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Capacity calculated with typical sparing. Sparing is user optional.
Specifications subject to change without notice.
Barracuda 9
3.5-inch Disc Drives
- 7,200-RPM, 4.17 msec average latency
- 8- and 16-bit UltraSCSI interface
- Fibre Channel-Arbitrated Loop (FC-AL) interface
- Single Connector Attachment (SCA)
- Advanced SCSI Architechture II (ASA II)
- MR heads, embedded servo and PRML channel
- Barracuda 9
The Barracuda 9 offers formatted capacities of 9.1 Gbytes in a low-profile 1-inch high design. With Advanced SCSI Architecture II, SCSI-3 SPI compliance and a range of interfaces including Ultra SCSI and Fibre Channel Arbitrated Loop, the Barracuda 9 continues Seagate's tradition of superior performance, quality and reliability.
Barracuda 9 Family
ST19171N
ST19171W
ST19171WD
ST19171WC
ST19171DC
ST19171FC
Barracuda 9
Formatted Capacity,
Gbytes (512 bytes/sector)9.1 Interface
Ultra SCSI
(8- and 16-bit, SCA)Fibre Channel (Dual Port) Performance
Internal Transfer Rate,
ZBR (Mbits/sec)80 to 124 External Transfer Rate (Mbytes/sec) 20/40/100 Multisegmented Cache (Kbytes) 512 (2,048 opt.) Track-to-Track Seek
Read/Write (msec)0.6/1.1 Average Seek (msec) 8.0/9.5 Maximum Seek
(msec)19/20 Average Latency
(msec)4.17 Spindle Speed (RPM) 7,200 Configuration/Organization
Discs/Heads 10/20 Servo Head Embedded Sectors per Drive (512 bytes/sector) 17,783,111 Bytes per Sector (typ) 512 Cylinders 5,274 Recording Method PRML (0,4,4) Reliability and Data Integrity
MTBF
(power on hours)1,000,000 MTRR depot Recoverable Read Errors
per Bits Read1 per 1011 Nonrecoverable Read
Errors per Bits Read1 per 1014 Seek Errors
(per seek)1 per 108 Service Life (years) 5 Limited Warranty (years) 5 Power Requirements
+12 VDC +/-5% [FC]
(amps typ)0.7 [0.89] +12 VDC +/-5%
(amps max)2.2 +5 VDC +/-5% (amps typ) [FC] 0.8 [1.20] Power (Idle watts) [FC] 13.0 [14.7] Environmental
Operating
Temperature (°C)5 to 50 Nonoperating
Temperature (°C)-40 to 70 Physical
Height (inches/mm) 1.62/41.1 Width (inches/mm) 4.0/101.6 Depth (inches/mm) 5.75/146.05 Weight (lb/kg) 2.1/0.93 Capacity calculated with typical sparing. Sparing is user optional.
Specifications subject to change without notice.