硬盘容量 147GB 盘体尺寸 3.5英寸 硬盘转数 15000rpm 缓存 16MB
Highlights
Capacities up to 300 GB 1
Large 16MB cache size minimizes
command overhead
SAS, Fibre Channel or SCSI interfaces for configuration flexibility
Mature design ensures greater reliability and faster qualification time
Applications/Environments
Online transaction processing
RAID
Storage Area Network (SAN)
Network Attached Storage (NAS)
Scientific engineering and data analysis
Interface |
Ultra320 SCSI |
Capacity 1 |
147 GB |
Sector size (variable, Bytes/sector) |
512-528 (2 byte incr.) |
Recording zones |
20 |
Data heads (physical) |
8 / 4 / 2 |
Data Disks |
4 / 2 / 1 |
Max. areal density (Gbits/sq. in.) |
113 |
Performance | |
Data buffer (MB) 2 |
16 |
Rotational speed (RPM) |
15,000 |
Latency average (ms) |
2.0 |
Media transfer rate (Mbits/sec, max) |
1441 |
Interface transfer rate (MB/sec, max) |
320 |
Sustained transfer rate (MB/sec, typ.) |
123-72 (zone 0-19) |
Seek time (read, ms, typical) 3 |
3.6 / 3.4 / 3.4 |
Reliability | |
Error rate (non-recoverable, bits read) |
1 in 1016 |
Start/stops |
50,000 |
Acoustics | |
Idle (Bels) |
3.5 |
Power | |
Requirement |
+5 VDC (+/-5%) +12 VDC (+/-5%) |
Operating (W, typical) |
18.1 / 14.9 / 13.2 |
Idle (W) |
13.1 / 9.7 / 8.2 |
Power consump. efficiency index (W/GB) |
0.044 / 0.066 / 0.112 |
Physical size | |
z-height (mm) |
25.8 |
Dimensions (width x depth, mm) |
101.6 x 146.2 |
Weight (g, max.) |
745 |
Environmental (operating) | |
Ambient temperature |
5o to 55o C |
Shock (half-sine wave) |
30 G (2ms) |
Vibration, random (G RMS 5 to 500 Hz) |
1.2, all axes |
Environmental (non-operating) | |
Ambient temperature |
-40o to 70o C |
Shock (half-sine wave) |
250 G (2ms) |
Vibration, random (G RMS 5 to 500 Hz) |
1.04, all axes |