Drive Specifications - Seagate Video 2.5 HDD Product Manual

2.0

Drive Specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the
drive and this drive are used throughout this manual to indicate the following drive models:
The specification summaries listed in the following tables are for quick reference. For details on specification measurement or definition, refer to the
appropriate section of this manual.
Table 1 Drive Specifications Summary
Drive Specification
(1)
Formatted capacity
Guaranteed sectors
Heads
Disks
Bytes per sector
Recording density
Track density
Areal density
Spindle speed
Sustained data transfer rate OD
I/O data-transfer rate
ATA data-transfer modes supported
Cache buffer
Height
Width
Length
Weight (typical)
Average latency
Startup current (typical) 5V (peak)
Voltage tolerance (including noise)
Operating temperature
Nonoperating temperature (Ambient)
Temperature gradient (max)
Relative humidity
Relative humidity gradient
Wet bulb temperature (max)
Altitude, operating
Altitude, nonoperating
(below mean sea level, max)
Operational Shock
Seagate Video 2.5 HDD Product Manual, Rev. J (Draft 1)
ST500VT001 ST500VT000
500 GB
976,773,168
32MB
6.8 +/- 0.2 mm (0.268 +/-.008 in)
69.85 +/- 0.25 mm (2.750 +/- 0.010 in)
100.35 +0.20 / -0.25 mm (3.951 +0.008 / -0.010 in)
20°C per hour max (operating)
35°C per hour max (nonoperating)
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
ST320VT000
320 GB
625,142,448
2
1
512 (logical) / 4096 (physical)
1875 Kb/in
375 Ktracks/in avg
2
670 Gb/in avg
5400 RPM
100 MB/s max
600 MB/s max
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
16MB
<95 g (0.209 lb)
5.6 ms
1.0 A
5V ± 5%
0° to 60°C
–40° to 70°C
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7°C max (operating)
40.0°C max (nonoperating)
400 Gs at 2 ms max
ST250VT000
250 GB
488,397,168
7