Seagate BARRACUDA XT ST33000651AS - Manual (Page 11)

Barracuda XT SATA Product Manual, Rev. D 11
www.seagate.com Drive Specifications
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power
to operational levels.
2.1 Formatted capacity
Model Formatted capacity* Guaranteed sectors Bytes per sector
ST33000651AS 3000GB
5,860,533,168
512
ST32000641AS 2000GB 3,907,029,168 512
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
2.1.1 LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to
n–1, where
n is the number of guaranteed sectors as defined above.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-bit
addressing support of drives with capacities over 137GB.
2.2 Default logical geometry
Cylinders Read/write heads Sectors per track
16,383 16 63
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to
n–1, where
n is the number of guaranteed sectors as defined above.
Altitude, operating –60.96m to 3,048m
(–200 ft to 10,000+ ft) –60.96m to 3,048m
(–200 ft to 10,000+ ft)
Altitude, nonoperating
(below mean sea level, max) –60.96m to 12,192m
(–200 ft to 40,000+ ft) –60.96m to 12,192m
(–200 ft to 40,000+ ft)
Operational Shock (max) 63 Gs at 2ms 63 Gs at 2ms
Non-Operational Shock (max) 300 Gs at 2ms 300 Gs at 2ms
Vibration, operating 5 to 350Hz: 0.50 Gs
350 to 500Hz: 0.25 Gs 5 to 350Hz: 0.50 Gs
350 to 500Hz: 0.25 Gs
Vibration, nonoperating 5 to 350Hz: 5.0 Gs
350 to 500Hz: 2.0 Gs 5 to 350Hz: 5.0 Gs
350 to 500Hz: 2.0 Gs
Drive acoustics, sound power
Idle** 2.7 bels (typical)
2.9
bels (max)
2.7 bels (typical)
2.9
bels (max)
Performance 2.9 bels (typical)
3.1
bels (max)
2.9 bels (typical)
3.3
bels (max)
Nonrecoverable read errors 1 per 10 14 bits read 1 per 10 14 bits read
Warranty To determine the warranty for a specific drive, use a web browser to access the following
web page:
support.seagate.com/customer/warranty_validation.jsp
From this page, click on the “Verify Your Warranty” link. You will be asked to provide the
drive serial number, model number (or part number) and country of purchase. The system
will display the warranty information for your drive.
Load-unload cycles 300,000 at 25°C, 50% rel. humidity 300,000 at 25°C, 50% rel. humidity
Supports Hotplug operation per the
Serial ATA Revision 3.0 specification Yes Yes
Table 1 Drive specifications summary for 3000GB and 2000GB models (continued)
Drive specification ST33000651AS ST32000641AS