Popis produktu

* WD Gold Enterprise Class SATA Hard Drive
Conquer tough workloads with enterprise-class WD Gold™ HDDs. Available in 1TB to 18TB1 capacities, this highly reliable solution for demanding storage environments provides up to 2.5M hours MTBF, vibration protection technology and a low power draw thanks to HelioSeal™ technology [for 12TB and above]. Specifically designed for use in enterprise-class data centers and storage systems, the WD Gold SATA HDD delivers the world-class performance you expect from Western Digital hard drives.
TECHNICAL SPECIFICATIONS



PRODUCT FEATURES


Capacity
12TB


Interface
SATA 6BG/s


Format: Sector size (bytes) **
512e


Native Command Queuing
Yes


Form Factor
3.5-inch


RoHS Compliant ***
Yes


PERFORMANCE


Data Trasnfer Rate ‡ (max sustained)
255 MB/s


Performance Class
7200 RPM Class


Cache ‡‡
256 MB


RELIABILITY


MTBF (hours)
2 500 000


Annualized Failure Rate (AFR, %) ‡‡‡
0,35


Load/unload cycles (minimum)
600 000


Limited Warranty (years)
5


POWER MANAGEMENT


Average Power Requirements
Operational § : 6.9 W Idle §§ : 5.5 W Power efficiency indes (W/TB,idle): 0,4


ENVIRONMENTAL SPECIFICATIONS


Shock (Read/Write)
Operating (half-sine wave, 2ms): 70G/70G Non-operating (half-sine wave, 2ms): 300G (2ms)


Temperature
Operating: 5° C to 60° C Non-operating: -40° C to 70° C


Acoustics (average)
Idle Mode: 20 dBA Seek Mode: 36 dBa


PHYSICAL DIMENSIONS


Height (max)
1.028 in. (26.1 mm) max


Lenght (max)
5.787 in. (147.0 mm) max


Width (± .01 in.)
4.0 in. (101.6 mm) ± .01 in.


Weight
1.46 lb. (.66 kg) ± 10%



*CAPACITY: One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to storage capacity. Accessible capacity will vary from the stated capacity due to formatting, system software, and other factors. **FORMAT: 512e: Advanced Format drive with 512-byte logical sectors and 4K (4096-byte) physical sectors; 512n: Native 512-byte logical and physical sectors *** RoHS COMPLIANT: Western Digital 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. ‡ DATA TRANSFER RATE: MB/s is 1,000,000 bytes ‡‡ CACHE BUFFER: Portion of buffer capacity used for drive firmware ‡‡‡ MTBF and AFR: Specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions for this drive model. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty. § OPERATIONAL POWER: 8K Queue Depth = 1 @ 40 IOPS §§ IDLE POWER: Based on use of Idle_A §§§ Some models of Ultrastar are identical in form, fit and function to the respective WD Gold™ model. The only differences are limited to the brand, label and ID string as reported by the firmware. For these drives, any previously completed qualification of the equivalent Ultrastar™ models should not require a re-qualification.""

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