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1
Specifications
Model numbers
Formatted capacity
User sectors per drive
Advanced Format (AF)
Native command queuing
SATA latching connector
Form factor
Performance
Data transfer rate (max)
Buffer to host (SATA)
Host to/from drive (sustained)
Cache (MB)
Average latency (ms)
Rotational speed (RPM)
Average drive ready time (sec)
Reliability/Data Integrity
2
Load/unload cycles
Non-recoverable read errors
per bits read
3
Limited warranty (years)
Power Management
12VDC (A, max)
Average power requirements (W)
Read/Write
Idle
Standby
Sleep
4
Environmental Specifications
Temperature (°C)
Base casting (max)
Operating
Non-operating
Shock (Gs)
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (2 ms)
5
Average acoustics (dBA)
Idle mode
Quiet seek mode
Physical Dimensions
Height (in./mm, max)
Length (in./mm, max)
Width (in./mm, ± .01 in.)
Weight (lb./kg, ± 10%)
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 3 Gb/s transfer rate calculated according to the Serial ATA specification published by the SATA-
IO organization as of the date of this specification sheet. Visit www.sata-io.org for details.
2
Controlled unload at ambient condition.
3
The term of the limited warranty may vary by region. Visit http://support.wdc.com/warranty for details.
4
No non-recoverable errors during operating tests or after non-operating tests.
5
Sound power level.
2 TB
2 TB
WD20EURS
WD20EVDS
2,000,398 MB
2,000,398 MB
3,907,029,168
3,907,029,168
Yes
No
Yes
Yes
Yes
Yes
3.5-inch
3.5-inch
3 Gb/s
3 Gb/s
130 MB/s
110 MB/s
64
32
4.2
4.2
IntelliPower
IntelliPower
14.5
14.5
300,000
300,000
14
14
<1 in 10
<1 in 10
3
3
1.725
1.603
5.3
5.9
4.8
4.9
0.9
0.7
0.9
0.7
70
70
0 to 60
0 to 60
-40 to 70
-40 to 70
30
30
65
65
250
250
24
25
25
26
1.028/26.1
1.028/26.1
5.787/147
5.787/147
4/101.6
4/101.6
1.40/0.64
1.61/0.73
1.5 TB
1.5 TB
WD15EURS
WD15EVDS
1,500,301 MB
1,500,301 MB
2,930,277,168
2,930,277,168
Yes
No
Yes
Yes
Yes
Yes
3.5-inch
3.5-inch
3 Gb/s
3 Gb/s
130 MB/s
110 MB/s
64
32
4.2
4.2
IntelliPower
IntelliPower
14.5
14.5
300,000
300,000
14
14
<1 in 10
<1 in 10
3
3
1.725
1.603
5.3
5.9
4.8
4.9
0.9
0.7
0.9
0.7
70
70
0 to 60
0 to 60
-40 to 70
-40 to 70
30
30
65
65
250
250
24
25
25
26
1.028/26.1
1.028/26.1
5.787/147
5.787/147
4/101.6
4/101.6
1.40/0.64
1.61/0.73
-2-
WD AV-GP
1 TB
1 TB
WD10EURS
WD10EVDS
WD10EVVS
1,000,204 MB
1,000,204 MB
1,953,525,168
1,953,525,168
Yes
No
Yes
Yes
Yes
Yes
3.5-inch
3.5-inch
3 Gb/s
3 Gb/s
110 MB/s
111 MB/s
64
32 (WD10EVDS)
8 (WD10EVVS)
4.2
4.2
IntelliPower
IntelliPower
14.3
14.3
300,000
300,000
14
14
<1 in 10
<1 in 10
3
3
1.464
1.671
4.9
4.9
4.2
4.2
0.4
0.4
0.4
0.4
70
70
0 to 60
0 to 60
-40 to 70
-40 to 70
30
30
65
65
300
300
23
24
24
25
1.028/26.1
1.028/26.1
5.787/147
5.787/147
4/101.6
4/101.6
1.32/0.60
1.32/0.60
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