Physical Specifications; Table 2-2. Wde2170/4360 Physical Specifications - Western Digital WDE4360 Technical Reference Manual

WD Enterprise WDE2170/WDE4360
2.2.

Physical Specifications

Physical Specifications
1
Formatted Capacity
Interface(s)
Actuator Type
Media Type
Head Type
Servo Type
Number of Disks
Number of Data Surfaces
Number of Heads
3
Bytes per Sector
Tracks per Inch
Bits per Inch (000)
Areal Density
Total Cylinders
Zones per Surface
User Sectors per Drive (512 byte)
Recording Method
5
ECC
1
Western Digital defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as
1,000,000,000 bytes.
2
Differential option available on 68-pin models.
3
The standard is 512 byte sectors. Optionally, we will support 512-528 bytes per sector
in even byte increments. Capacity will change depending on sector size chosen.
4
Run Length Limited
5
ECC has 144-bit span in hardware for correction on-the-fly.
4079-001045 Rev. B

Table 2-2. WDE2170/4360 Physical Specifications

WDE2170
2170 MB
Ultra Fast
(50-pin)
Ultra Fast Wide
(68-pin)
(80-pin SCA-2)
Rotary Voice Coil
Thin Film
Thin Film Inductive
Embedded
2
4
4
512
6150
125 (ID)
2
769 Mb/in
5956
20
225 (OD), 133 (ID)
4
0,4,4 RLL
144-bit Reed Solomon
RELEASED 04-08-97
WDE4360
4360 MB
Ultra Fast
(50-pin)
Ultra Fast Wide
2
(68-pin)
(80-pin SCA-2)
Rotary Voice Coil
Thin Film
Thin Film Inductive
Embedded
4
8
8
512
6150
125 (ID)
2
769 Mb/in
5956
20
225 (OD), 133 (ID)
0,4,4 RLL
144-bit Reed Solomon
Specifications
2
5