Maxtor DIAMONDMAX 21 PATA STM3300620A - Manual (Page 17)

DiamondMax 21 PATA Product Manual, Rev. B 11
2.4 Recording and interface technology
2.5 Physical characteristics
320GB 300GB 250GB 200GB 160GB 80GB
Interface ATA
Recording method Perpendicular
Recording density, KBPI (kbits/inch max) 781 813 781 824
Track density, KTPI (ktracks/inch avg) 145 137.259
Areal density (Gbits/inch 2 avg) 114.4 101
Spindle speed (RPM) (± 0.2%) 7,200
Internal data transfer rate (Mbits/sec max) 1,030 930
Sustained data transfer rate (Mbytes/sec max) 72 78
I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)
Maximum height (320 - 200 Gbytes models) 26.1 mm (1.028 inches)
Maximum height (160 - 80 Gbyte models) 19.99 mm (0.787 inches)
Maximum width 101.6 mm (4.000 +/- 0.010 inches)
Maximum length 146.99 mm (5.787 inches)
Typical weight
320GB model 635 grams (1.4 lbs)
300GB, 250GB and 200GB models 600 grams (1.32 lbs)
160GB model 380 grams (0.838 lbs)
80GB model 365 grams (0.805 lbs)
Cache Size
STM3300620A and STM3250620A
STM3320820A, STM3250820A and STM3200820A
STM3160215A and STM380215A
16 Mbytes
8 Mbyte
2 Mbytes