ST-3320820AS
Barracuda 7200.10

FORMATTED CAPACITY (GB) __________________320
ACTUATOR TYPE ____________________________VOICE COIL
HEADS ______PHYSICAL______________________4
DISCS (3.5 in) ___________________________2
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________GMR
RECORDING METHOD _________________________Perpendicular
INTERNAL TRANSFER RATE (Mbits/sec) _______up to 1030
SUSTAINED TRANSFER RATE (Mbytes/sec)______up to 72
EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 300
PIO/DMA/UDMA MODE (max) __________________4/2/6
SPINDLE SPEED (RPM) ______________________7200
AVERAGE LATENCY (mSEC) ___________________4.16
BUFFER ___________________________________8MB
Read/Write Multiple, Read Look-Ahead,
Multi-Segmented
INTERFACE ________________________________SATA 2.0 w/NCQ
SECTORS PER DRIVE (LBA mode) _____________625,142,448
KTPI (KTRACKS PER INCH Avg) ______________
BPI (KBITS PER INCH) _____________________up to 625
AVERAGE ACCESS (ms seek/read/write) ______/<8.5/<10.0
SINGLE TRACK SEEK (ms seek/read/write) ___/<0.8/<1.0
MAX FULL SEEK (ms seek/read/write) _______//
ANNUALIZED FAILURE RATE (AFR) ____________0.34%
SHOCK (G's, 11ms/2ms):
operating (Read/Write) __________/68
abnormal ________________________
nonoperating ____________________/300
ACOUSTICS (bels)
fluid bearing (typ/max-quiet/max-perf) _2.8//3.9
POWER DISSIPATION (watts) ________________
POWER REQUIREMENTS: +12V START-UP (amps) _2.8
POWER MANAGEMENT (Watts):
ACTIVE _______________13.0
IDLE _________________9.3
STANDBY (typ/max) ____0.8/

Physical:
Height (inches/mm): 1.028/26.1
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.78/146.99
Weight (lb/g): 1.4/635