Filter
Top Products
Specifications
4-2 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT
1. Disk to read buffer transfer rate is zone-dependent, instantaneous
2. Refer to Section 4.14, “DISK ERRORS” for details on error rate definitions.
Recording:
Recording technology Multiple
Zone
Multiple
Zone
Multiple Zone Multiple Zone
Maximum linear den-
sity
535,671 fci 535,671 fci 535,671 fci 535,671 fci
Encoding method 24/25
NPRML
24/25
NPRML
24/25
NPRML
24/25
NPRML
Interleave 1:1 1:1 1:1 1:1
Track density 56,170 tpi 56,170 tpi 56,170 tpi 56,170 tpi
Maximum effective
areal density
29.88
Gbits/in
29.88
Gbits/in
29.88
Gbits/in
29.88
Gbits/in
Performance:
Seek times:
Average Read 12 ms typ.
15 ms max.
12 ms typ.
15 ms max.
12 ms typ.
15 ms max.
12 ms typ.
15 ms max.
Track-to-track 2 ms
typical
2 ms
typical
2 ms
typical
2 ms
typical
Average write 15 ms typ.
18 ms max.
15 ms typ.
18 ms max.
15 ms typ.
18 ms max.
15 ms typ.
18 ms max.
Full stroke 24 ms typ.
28 ms max.
24 ms typ.
28 ms max.
24 ms typ.
28 ms max.
24 ms typ.
28 ms max.
Data transfer Rates:
Disk to Read Once a
Revolution
2, 3
175.39 Mb/
sec. min.
377.84 Mb/
sec. max.
175.39 Mb/
sec. min.
377.84 Mb/
sec. max.
175.39 Mb/
sec. min.
377.84 Mb/
sec. max.
175.39 Mb/
sec. min.
377.84 Mb/
sec. max.
Disk to Read
Instantaneously
2
230.77 Mb/
sec. min.
493.59 Mb/
sec. max.
230.77 Mb/
sec. min.
493.59 Mb/
sec. max.
230.77 Mb/
sec. min.
493.59 Mb/
sec. max.
230.77 Mb/
sec. min.
493.59 Mb/
sec. max.
Read Buffer to ATA
Bus
(PIO Mode with
IORDY)
16.7 MB/
sec. maxi-
mum
16.7 MB/
sec. maxi-
mum
16.7 MB/sec.
maximum
16.7 MB/sec.
maximum
Read Buffer to ATA
Bus
(Ultra ATA Mode)
100 MB/sec.
maximum
100 MB/sec.
maximum
100 MB/sec.
maximum
100 MB/sec.
maximum
Buffer Size 2 MB 2 MB 2 MB 2 MB