Seagate Archive HDD Product Manual, Rev. A
7
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:
Specification summary tables
The specifications listed in
Table 1
are for quick reference. For details on specification measurement or definition, refer to
the appropriate section of this manual.
Standard model
ST8000AS0022
Table 1
Drive specifications summary
Drive Specification*
ST8000AS0022
Formatted capacity (512 bytes/sector)**
8000GB (8TB)
Guaranteed sectors
15,628,053,168
Heads
12
Disks
6
Bytes per sector
512
Recording density (max)
1950 KFCI
Track density (avg)
435 KTPI
Areal density (avg)
848 Gb/in
2
Internal data transfer rate (max)
1900 Mb/s
Maximum sustained data rate, OD read
(MB/s)
190 MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes 0 to 6
I/O data-transfer rate (max)
600MB/s
Cache buffer
128MB
Height (max)
26.1mm / 1.028 in
Width (max)
101.6mm/4.0 in (+ 0.010 in)
Length (max)
146.99mm / 5.787 in
Weight (typical)
780g / 1.72 lb
Average latency
5.5ms
Power-on to ready (max)
30.0s
Standby to ready (max)
25.0s
Average seek, read (typical)
Average seek, write (typical)
<12.0ms
<12.0ms
Startup current (typical) 12V
2.0A
Voltage tolerance (including noise)
5V ±5%
12V ±10%
Non-Operating (Ambient °C)
–40 to 70
Operating temperature (drive case min °C)
0
Operating temperature (drive case max °C)
60
Temperature gradient
20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient (max)
30% per hour
Wet bulb temperature (max)
26°C max (operating)
29°C max (nonoperating)
Altitude, operating
–61m to 3048m
(–200 ft to 10,000 ft)
