6 SV35 Series SATA Product Manual, Rev. D
*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.
Vibration, operating 5Hz-22Hz: 0.25 Gs, Limited displacement
22Hz-350Hz: 0.50 Gs
350Hz-500Hz: 0.25 Gs
5Hz-22 Hz: 0.25 Gs, Limited displacement
22Hz-350 Hz: 0.50 Gs
350Hz-500Hz: 0.25 Gs
Vibration, nonoperating 5Hz-22Hz: 2.0 Gs, Limited displacement
22Hz-350Hz: 5.0 Gs
350Hz-500Hz: 2.0 Gs
5Hz-22Hz: 2.0 Gs, Limited displacement
22Hz-350Hz: 5.0 Gs
350Hz-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)
Seek 2.8 bels (typical)
3.0 bels (max)
2.8 bels (typical)
3.0 bels (max)
Nonrecoverable read errors 1 per 1014 bits read 1 per 1014 bits read
Warranty To determine the warranty for a specific drive, use a web browser to access the following web
page: www.seagate.com/support/service/
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.
Contact start-stop cycles 50,000 at 25°C, 50% rel. humidity 50,000 at 25°C, 50% rel. humidity
Supports Hotplug operation per the
Serial ATA Revision 3.0 specification
Yes Yes
Table 3: Drive specifications summary for 500GB and 250GB models
Drive specification ST3500411SV ST3500410SV ST3250311SV
Formatted capacity (512
bytes/sector)*
500GB 500GB 250GB
Guaranteed sectors 976,773,168 976,773,168 488,397,168
Heads 2 2
1
Disks 1 1
Bytes per sector 512 512 512
Default sectors per track 63 63 63
Default read/write heads 16 16 16
Default cylinders 16,383 16,383 16,383
Recording density (max) 1474 kb/in 1474 kb/in 1474 kb/in
Track density (avg) 236 ktracks/in 236 ktracks/in 236 ktracks/in
Areal density (avg) 345 Gbits/in2 345 Gbits/in2 345 Gbits/in2
Internal data transfer rate
(max)
1628 Mbits/s 1628 Mbits/s 1628 Mbits/s
Sustained data transfer rate
(max)
140 MB/s 140 MB/s 140 MB/s
I/O data-transfer rate (max) 600 MB/s 300 MB/s 300 MB/s
ATA data-transfer modes
supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer 16MB 16MB 8MB
Height (max) 19.98mm (0.787 in) 19.98mm (0.787 in) 20.20mm (0.794 in)
Width (max) 101.6mm (4.0 in) 101.85mm (4.010 in) 101.85mm (4.010 in)
Length (max) 146.99 mm (5.787 in) 146.99 mm (5.787 in) 146.99mm (5.787 in)
Weight (typical) 544 grams (1.199 lb.) 544 grams (1.199 lb) 380 grams (0.838 lb)
Power-on to ready (max) <10s <10s <8s
Table 2: Drive specifications summary for the 1TB models (continued)Drive specification ST31000526SV ST31000525SV