WD BLUE™
-2--2-
Specications 1 TB 1 TB 750 GB 500 GB 320 GB
Model number WD10EZEX WD10EALX WD7500AZEX WD5000AAKX WD3200AAKX
Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
Formatted capacity11,000,204 MB 1,000,204 MB 750,156 MB 500,107 MB 320,072 MB
User sectors per drive 1,953,525,169 1,953,525,169 1,465,149,168 976,773,168 625,142,448
Advanced Format (AF) Yes Yes Yes Yes Ye s
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
RoHS compliant2Yes Yes Yes Ye s Yes
Performance
Data transfer rate (max)
Buffer to host
Host to/from drive (sustained)
6 Gb/s
150 MB/s
6 Gb/s
126 MB/s
6 Gb/s
150 MB/s
6 Gb/s
126 MB/s
3 Gb/s
126 MB/s
Cache (MB) 8 8 8 8 8
Rotational speed (RPM) 7200 7200 7200 7200 7200
Reliability/Data Integrity
Load/unload cycles4300,000 300,000 300,000 300,000 300,000
Non-recoverable read errors per bits
read
<1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014
Limited warranty (years)522222
Power Management
5VDC ±10% (A, peak) 2.5 2.8 2.5 1.77 1.77
Average power requirements (W)
Read/Write
Idle
Standby/Sleep
6.8
6.1
1.2
7.3
6.1
0.7
6.8
6.1
1.2
6.0
5.6
0.9
6.0
5.6
0.9
Environmental Specications6
Temperature (°C)
Operating
Non-operating
0 to 60
-40 to 70
0 to 60
-40 to 70
0 to 60
-40 to 70
0 to 60
-40 to 70
0 to 60
-40 to 70
Shock (Gs)
Operating (2 ms, write)
Operating (2 ms, read)
Non-operating (2 ms)
30
65
350
30
65
300
30
65
350
30
65
350
30
65
350
Acoustics (dBA)7
Idle
Seek (average)
29
30
28
33
29
30
29
30
29
30
Physical Dimensions
Height (in./mm, max) 1.028/25.4 1.028/25.4 1.028/25.4 1.028/25.4 1.028/25.4
Length (in./mm, max) 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147
Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6
Weight (lb./kg, ± 10%) 0.99/0.45 0.95/0.43 0.99/0.45 0.95/0.43 0.95/0.43
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 specication published by the SATA-IO organization as of the date of this specication
sheet. Visit www.sata-io.org for details.
2 WD hard drive products manufactured and sold worldwide after June 8, 2011, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU.
3 Maximum burst rate running the Mode 5 Ultra ATA transfer mode.
4 Controlled unload at ambient condition.
5 The term of the limited warranty may vary by region. Visit support.wd.com/warranty for details.
6 No non-recoverable errors during operating tests or after non-operating tests.
7 Sound power level.