Seagate Barracuda 7200.12 Harddrives

(information from Seagate ) last updated 27Nov2015

Barracuda 7200.12

Specifications	1TB	750GB	500GB	320GB	250GB	160GB
Model Number	ST31000524AS	ST3750525AS	ST3500413AS	ST3320413AS	ST3250312AS	ST3160316AS
Interface Options	SATA 6Gb/s NCQ	SATA 6Gb/s NCQ	SATA 6Gb/s NCQ	SATA 6Gb/s NCQ	SATA 6Gb/s NCQ	SATA 6Gb/s NCQ
Performance
Transfer Rate, Max Ext (MB/s)	600	600	600	600	600	600
Sustained Data Rate OD (MB/s)	125	125	125	125	125	125
Cache (MB)	32	32	16	16	8	8
Average Latency (ms)	4.17	4.17	4.17	4.17	4.17	4.17
Spindle Speed (RPM)	7200	7200	7200	7200	7200	7200
Configuration/Organization
Bytes per Sector	512	512	512	512	512	512
Reliability/Data Integrity
Contact Start-Stops	50,000	50,000	50,000	50,000	50,000	50,000
Nonrecoverable Read Errors per Bits Read	1 per 10E14	1 per 10E14	1 per 10E14	1 per 10E14	1 per 10E14	1 per 10E14
Annualized Failure Rate	0.34%	0.34%	0.34%	0.34%	0.34%	0.34%
Power Management
Startup Current +12V Peak (A, 10%)	2.0	2.0	2.0	2.0	2.0	2.0
Operating, Average (W)	<9.4	<9.4	<8.0	<8.0	<8.0	<8.0
Idle, Average (W)	<5.0	<5.0	<5.0	<5.0	<5.0	<5.0
Environmental
Temperature (XC) Operating Nonoperating	0 to 60 -40 to 70	0 to 60 -40 to 70	0 to 60 -40 to 70	0 to 60 -40 to 70	0 to 60 -40 to 70	0 to 60 -40 to 70
Shock (Gs) Operating: 2 ms Nonoperating: 1 ms	70 300	70 300	70 350	70 350	70 350	70 350
Acoustics (bels V sound power) Idle Seek	2.5 2.7	2.5 2.7	2.6 2.75	2.6 2.75	2.6 2.75	2.6 2.75
Physical
Height (in/mm)	1.02/26.1	1.02/26.1	0.78/20	0.78/20	0.78/20	0.78/20
Width (in/mm)	4.00/101.6	4.00/101.6	4.00/101.6	4.00/101.6	4.00/101.6	4.00/101.6
Depth (in/mm)	5.787/146.99	5.787/146.99	5.787/146.99	5.787/146.99	5.787/146.99	5.787/146.99
Weight (lb/kg)	1.4/0.64	1.4/0.64	1.2/0.54	1.2/0.54	1.2/0.54	1.2/0.54
Remarks
1 One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.