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3.3
Default logical geometry
Cylinders
Read/write heads
16,383
16
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,
where n is the number of guaranteed sectors as defined above.
3.4
Physical organization
Drive model
750GB
500GB
3.5
Recording and interface technology
Interface
Recording method
Recording density BPI (bits/in max)
Track density TPI (tracks/in max)
2
Areal density (Gb/in
max)
Spindle speed (RPM) (± 0.2%)
Maximum Internal transfer rate (Gb/s)
I/O data-transfer rate (Gb/s max)
Interleave
Cache buffer
†
NVC SLC Cache
† NVC physical cache size is 8GB, actual Host available may differ depending on user profile.
3.6
Physical characteristics
Drive specification
Height
(mm)
(in)
Width
(mm)
(in)
Length
(mm)
(in)
Weight
(max)
Momentus XT Product Manual, Rev. F
Sectors per track
63
Read/write heads
4
9.50 ± 0.20
0.370 ± 0.008
69.85 ± 0.25
2.750 ± 0.010
100.30
0.25
±
3.949
0.010
±
115 g
0.253 lb
Number of discs
2
Serial ATA (SATA)
Perpendicular
1778k
317k
563.6
7200
1.23
6.0
1:1
32MB (32,768KB)
8GB
7
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