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8TB Purple WD82PURZ, 7200 RPM, SATA 6Gb/s, 265MB cache, 3.5-Inch HDD

SKU: 12746759



Availability: Available

Price: $231.00
or as low as $7/month
Model Number4 WD82PURZ
Formatted capacity5 8TB
Form factor 3.5-inch
Advanced Format (AF) Yes
RoHS compliant6 Yes
Product Features
Cameras supported Up to 64
Drive Bays Supported 16+
Al Streams 32
Firmware Feature Name AllFrame AI
Tarnish resistant components Yes
Interface transfer rate (max)5 Buffer to host
Host to/from drive (sustained)
6 Gb/s
245 MB/s
Cache (MB)5 256
Performance Class 7200 RPM
Reliability/Data Integrity
Load/unload cycles7 300 000
Annualized workload rating8 360TB/yr
Non-recoverable read errors per bits read <1 in 1015
MTBF 1 500 000
Limited warranty (years)9 3
Power Management10
Average power requirements (W) Read/Write
Standby and Sleep
Environmental Specifications11
Temperature (°C, on the base casting)
Operating12 Non-operating 0 to 65
-40 to 70
Shock (Gs)
Operating (2 ms, read/write) Operating (2 ms, read)
Non-operating (2 ms)
Acoustics (dBA)13 Idle
Seek (average)
Physical Dimensions
Height (in./mm, max) 1.028/26.1
Length (in./mm, max) 5.787/147
Width (in./mm, ± .01 in.) 4/101.6
Weight (lb/kg, ± 10%) 1.58/0.715

¹ Up to 1.5M MTBF for 8TB, 10TB, and 12TB capacities (up to 1.0M MTBF for lower capacities). MTBF specifications are based upon internal testing using a 40°C base casting temperature. MTBF
is based on a sample population and is estimated by statistical measurements and acceleration algorithms. MTBF does not predict an individual drive’s reliability and does not constitute a warranty.
² For capacities 4TB and higher.
³ As of April 2018
4 Not all products may be available in all regions of the world.5 As used for storage capacity, 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 specification sheet. Visit www.sata-io.org for details.
6 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.7 Controlled unload at ambient condition.
8 Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred x (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
9 See http://support.wdc.com/warranty for regional specific warranty details.
10 Power measurements at room-ambient temperature.
11 No non-recoverable errors during operating tests or after non- operating tests.
12 On the base casting.
13 Sound power level.