500GB, 2.5-inch 7mm Mobile Hard Drive

Interface SATA 6Gb/s SATA 6Gb/s
Capacity (GB) 500 / 320 500 / 320 / 250
Sector size (variable, Bytes/sector) 512e 512e
Recording zones 30 30
Max Areal Density (Gbits/sq. in.) 630 630
Performance

Data Buffer (MB) 32 32
Rotational Speed (RPM) 7200 7200
Latency Average (ms) 4.2 4.2
Media transfer rate (Mbits/sec, max) 1369 1369
Interface transfer rate (MB/sec, max) 600 600
Seek Time (read, ms, typical) 13 13
Seek time: Track to track (typical) ms (read) 1 1
Seek time: Full Stroke (typical) ms (read) 25 25
Reliability

Power on hours (POH) per month 730 N/A
MTBF (M hours) N/A
Load/Unload Cycles 600,000 600,000
Acoustics

Idle (Bels) 2.3 2.3
Operational (Bels, typical) 2.4 2.4
Power

Requirement +5VDC(+-5%) +5VDC(+-5%)
Startup (W, peak, max) 5.5 5.5
Read/Write (W, avg) 1.8 1.8
Low power idle (W, avg) N/A 0.8
Standby (W, avg) 0.2 0.2
Seek (W, avg) 2.1 2.1
Active Idle (W, avg) N/A 1.0
Performance Idle (W, avg) 1.7 1.7
Sleep (W) 0.1 0.1
Physical size

Z-Height (mm) 7 7
Dimensions (width x depth, mm) 70x100 70x100
Weight (g, max) 95 95
Environmental (operating)

Ambient temperature 0º to 60ºC 0º to 60ºC
Shock (half-sine wave) 400G/2ms, 225G/1ms 400G/2ms, 225G/1ms
Environmental (non-operating)

Ambient temperature -40º to 65ºC -40º to 65ºC
Shock (half-sine wave) 1000G/1ms 1000G/1ms