Physical Specifications - Western Digital WD15NPVX Technical Reference Manual

Specifications
2.2

Physical Specifications

Physical
Specifications
Capacity
Interface
Actuator Type
Number of Disks
Data Surfaces
Number of Heads
Physical Bytes per Sector
Host Bytes per Sector
User Sectors per Drive
Servo Type
Recording Method
ECC
1
As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB)
= one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity
varies depending on operating environment. As used for buffer or cache, one megabyte
(MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/
s) = one million bytes per second, and gigabit per second (Gb/s) = one billion bits per
second. Effective maximum SATA 6 Gb/s transfer rate calculated according to the Serial
ATA specification published by the SATA-IO organization as of the date of this document.
Visit www.sata-io.org for details.
4
WD20NPVX
1
2,000,398 MB
SATA 6 Gb/s
Rotary Voice Coil
4096
3,907,029,168
Embedded
Partial DC Target
LDPC
RELEASED 5/2/13 (WD CONFIDENTIAL)
WD15NPVX
1,500,301 MB
SATA 6 Gb/s
Rotary Voice Coil
4
8
8
512
2,930,277,168
Embedded
Partial DC Target
WD Green MB500M-6Gb
4
8
8
4096
512
LDPC
2679-771422-A00