Model Number ST9750420AS
Interface SATA 3Gb/s
Cache 16MB
Capacity 750GB
Areal density (avg) 541Gb/in2
Guaranteed Sectors 1,465,149,168
PHYSICAL
Height 9.5mm (0.370 in)
Width 69.85mm (2.750 in)
Length 100.35mm (3.951 in)
Weight (typical) 115g (0.254 lb)
PERFORMANCE
Spin Speed (RPM) 7200 RPM
Average latency 4.2ms
Random read seek time 11.0ms
Random write seek time 13.0ms
I/O data transfer rate 300MB/s
Unrecoverable read errors 1 in 1014
RELIABILITY
Annual Failure Rate 0.5%
POWER
5V start max current 1.0A
Average idling power 0.95W
Average seek power 2.5W
ENVIRONMENT
Ambient Temperature
Operating 0°–60°C
Non-operating -40°–70°C
Maximum operating temperature change 20°C per hour
Maximum non-operating temperature change 35°C per hour
Shock
Operating shock (max) 350 Gs for 2ms
Non-operating shock (max) 1000 Gs for 1ms
ACOUSTICS
Acoustics (Idling Volume) 2.3 bels
Acoustics (Seek Volume) 2.5 bels
Features
None X
Storage Type HDD
* Product descriptions and part numbers are subject to change, and may not reflect
manufacturer product changes. Please check the manufacturer's website and use the
item's manufacturer part number to find the most up to date product description.
Warranty: 12 months return to base warranty - not including consumable products.