Seagate Pipeline HD Pipeline HD.2 Series SATA Product Manual - Page 10

Drive specifications summary

Page 10 highlights

Table 1: Drive specifications summary for 1000GB models Drive specification Formatted Capacity (512 bytes/sector)* Guaranteed sectors Heads Disks Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density (max.) Track density (avg.) Areal density (avg.) Spindle speed Internal data transfer rate (max.) Sustained data transfer rate (max.) I/O data-transfer rate (max.) ATA data-transfer modes supported Cache buffer Height (max.) Width (max.) Length (max.) Weight (typical) Average latency Power-on to ready (typical) Standby to ready (typical) Track-to-track seek time (typical) Average seek (typical) Startup current 12V-peak (typical) Voltage tolerance (including noise) Operating temperature (drive case temperature) Non-operating temperature (ambient) Temperature gradient (max.) Relative humidity Relative humidity gradient (max.) Wet bulb temperature (max.) Altitude, operating Altitude, non-operating (below mean sea level, max.) ST31000424CS 1000GB 1,953,525,168 4 2 512 63 16 16,383 1417kb/in 236 ktracks/in 341.5Gb/in2 5900 RPM 1285Mb/s 120MB/s 300MB/s PIO modes: 0 to4 Multiword DMA modes: 0 to2 Ultra DMA modes: 0 to 6 16MB 26.1mm / 1.028 in 101.85mm / 4.010 in 146.99mm / 5.787 in 615g / 1.356 lb 5.1ms

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48

4
Pipeline HD.2 Series SATA Product Manual, Rev. G
Table 1:
Drive specifications summary
for 1000GB models
Drive specification
ST31000424CS
ST31000322CS
Formatted Capacity
(512 bytes/sector)*
1000GB
Guaranteed sectors
1,953,525,168
Heads
4
Disks
2
Bytes per sector
512
Default sectors per track
63
Default read/write heads
16
Default cylinders
16,383
Recording density (max.)
1417kb/in
Track density (avg.)
236 ktracks/in
Areal density (avg.)
341.5Gb/in
2
Spindle speed
5900 RPM
Internal data transfer rate (max.)
1285Mb/s
Sustained data transfer rate (max.)
120MB/s
I/O data-transfer rate (max.)
300MB/s
ATA data-transfer modes supported
PIO modes: 0 to4
Multiword DMA modes: 0 to2
Ultra DMA modes: 0 to 6
Cache buffer
16MB
8MB
Height (max.)
26.1mm / 1.028 in
Width (max.)
101.85mm / 4.010 in
Length (max.)
146.99mm / 5.787 in
Weight (typical)
615g / 1.356 lb
Average latency
5.1ms
Power-on to ready (typical)
<12s
Standby to ready (typical)
<12s
Track-to-track seek time (typical)
<1.0ms ( read)
<1.2ms ( write)
Average seek (typical)
<14.0ms read
<15.0ms write
Startup current 12V-peak (typical)
2.0A
Voltage tolerance (including noise)
5V ± 5%
12V ± 10%
Operating temperature
(drive case temperature)
0° to 75°C
Non-operating temperature (ambient)
–40° to 70°C
Temperature gradient (max.)
20°C per hour (operating)
30°C per hour (non-operating)
Relative humidity
5% to 90% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max.)
30% per hour
Wet bulb temperature (max.)
37.7°C
(operating)
40.0°C
(non-operating)
Altitude, operating
–60.96m to 3,048m
(–200 ft to 10,000+ ft)
Altitude, non-operating
(below mean sea level, max.)
–60.96m to 12,192m
(–200 ft
to 40,000+ ft )