Recording And Interface Technology; Physical Characteristics - Maxtor DiamondMax 21 Manual

2.4

Recording and interface technology

Interface
Recording method
Recording density (kbits/inch max)
Track density (ktracks/inch avg)
2
Areal density (Gbits/inch avg)
Spindle speed (RPM)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
2.5

Physical characteristics

Maximum height (200 - 320 GB models)
Maximum height (40 - 160 GB models)
Maximum width
Maximum length
Typical weight
STM3320620AS and STM3320820AS
STM3250824AS and STM3250820AS
STM3160815AS and STM3160215AS
STM380815AS and STM340215AS
Cache buffer
STM3320620AS
STM3320820AS, STM3250824AS, STM3250820AS, STM3160815AS
and STM380815AS
STM3160215AS and STM340215AS
DiamondMax 21 Serial ATA Product Manual, Rev. A
Model capacity
320 250
Serial ATA (SATA)
Perpendicular
813
781
145
114.4
7,200 ± 0.2%
1,030
72
300
160 80
824
137.259
101
930
78
26.1 mm (1.028 inches)
19.99 mm (0.787 inches)
101.6 mm (4.000 +/- 0.010 inches)
146.99 mm (5.787 inches)
635 grams (1.4 lbs)
600 grams (1.32 lbs)
380 grams (0.838 lbs)
365 grams (0.805 lbs)
16 Mbytes (16,384 kbytes)
8 Mbytes (8,192 kbytes)
2 Mbytes (2,048 kbytes)
40
15