WD GOLD WD121KRYZ 12TB SATA/ 6Gb/s 256MB cache 7200 ot., CMR, Enterprise

Formát:3.5"; Rozhraní:interní Serial ATA III; Kapacita pevného disku (v GB):12 000; Otáčky HDD:7200; Typ disku:HDD; Velikost bufferu (v MB):256.... více
Běžná cena: 12 068  (-27%)
7 255.37 Kč bez DPH
Skladem > 5 ks
8 779 Kč
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Kód: 667091
EAN: 718037854519
Záruka: 5 Rok(ů)
Výrobce: Western Digital
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WD GOLD WD121KRYZ 12TB SATA/ 6Gb/s 256MB cache 7200 ot., CMR, Enterprise

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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ParametryPorovnání
Rychlost otáček (v RPM)
7200
Kapacita pevného disku (v GB)
12 000
Formát
3.5"
Typ disku
HDD
Velikost bufferu (v MB)
256
Rozhraní
interní Serial ATA III

WD GOLD WD121KRYZ 12TB SATA/ 6Gb/s 256MB cache 7200 ot., CMR, Enterprise

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