Seagate Cheetah 15K.4 Series
Overview
The Cheetah 15K.4 is the best performance, lowest cost of ownership, 3.5-inch disc drive. It enables higher performance with fewer drives, while offering the industry's highest reliability.
Models |
 |
|
|
ST336754FC
ST336754SS
ST336754LC
ST336754LW
|
ST373454FC
ST373454SS
ST373454LW
ST373454LC
|
ST3146854FC
ST3146854SS
ST3146854LW
ST3146854LC |
| |
| Capacity and Interface |
|
| Formatted Gbytes (512 bytes/sector) |
36.7 |
73.4 |
146 |
| Interface |
Fibre Channel
SAS 3Gb/s
Ultra320 SCSI
|
Fibre Channel
SAS 3Gb/s
Ultra320 SCSI
|
Fibre Channel
SAS 3Gb/s
Ultra320 SCSI
|
| |
| Performance |
|
| Internal Transfer Rate, ZBR (Mbits/sec) |
685-1142 |
685-1142 |
685-1142 |
| Internal Formatted Transfer Rate (Mbytes/sec) |
85-142 |
85-142 |
85-142 |
| External Transfer Rate (mbytes/sec) |
|
| Ultra 8,16 bit/Ultra2/Fibre Channel (per loop) |
320 300 200
|
320 300 200
|
320 300 200
|
| Track-to-track Seek Read/Write (msec) |
0.2/0.4 |
0.2/0.4 |
0.2/0.4 |
| Average Seek Read/Write (msec) |
3.5/4 |
3.5/4 |
3.5/4 |
| Average Latency (msec) |
2 |
2 |
2 |
| Spindle Speed (RPM) |
15K |
15K |
15K |
| |
| Configuration/Organization |
|
| Discs/Heads |
1/2 |
2/4 |
4/8 |
| Sectors per Drive (512 bytes per sector) |
71687372 |
143374744 |
286749488 |
| Cylinders |
50864 |
50864 |
50864 |
| Recording Method |
|
|
|
| |
| Reliability/Data Integrity |
|
| S.M.A.R.T. capable |
Yes |
Yes |
Yes |
| Recoverable Read Errors per Bits Read |
10 per 1012 |
10 per 1012 |
10 per 1012 |
| Nonrecoverable Read Errors per Bits Read |
1 per 1015 |
1 per 1015 |
1 per 1015 |
| Seek Errors (per seek) |
10 per 108 |
10 per 108 |
10 per 108 |
| Service Life/Limited Warranty (years) |
5/5 |
5/5 |
5/5 |
| |
| Power Requirements |
|
| +12 VDC +/-5% (amps typ operating) |
0.88 |
0.98 |
1.2 |
| +5 VDC +/-5% (amps typ operating) |
|
|
|
| Ultra SCSI, Ultra2 SCSI [FC] |
0.59 0.99 1.12 |
0.6 1 1.12 |
0.6 0.96 1.12 |
| Power (Idle watts) |
|
|
|
| Ultra SCSI/Ultra2 SCSI [FC] |
10.33 7.92 9.88 |
11.49 11.8 9.46 |
11.91 13.89 14.34 |
| |
| Environmental |
|
| Idle Acoustics (max Bels) |
3.6 |
3.6 |
3.6 |
| Operating Temperature (°C) |
5 to 50 |
5 to 50 |
5 to 50 |
| Nonoperating Temperature (°C) |
70 to -40 |
70 to -40 |
70 to -40 |
| Operating Shock (Gs) @ 2 msec |
60 |
60 |
60 |
| Nonoperating Shock (Gs) @ 2 msec |
250 |
250 |
250 |
| Operating Vibration (Gs @ 5-350 Hz) |
0.5 |
0.5 |
0.5 |
| Nonoperating Vibration (<350Hx) |
2 |
2 |
2 |
| |
| Physical |
|
| Height (mm) |
25.4 |
25.4 |
25.4 |
| Width (mm) |
101.6 |
101.6 |
101.6 |
| Depth (mm) |
146.05 |
146.05 |
146.05 |
| Weight (kg) |
0.68 |
0.68 |
0.68 |
