Components: HDD 2.5" internal: Western Digital Ultrastar 0B47076 internal hard drive 3.5" 4 TB Serial ATA
Western Digital Ultrastar 0B47076 internal hard drive 3.5" 4 TB Serial ATA Western Digital Ultrastar 0B47076 internal hard drive 3.5" 4 TB Serial ATA Western Digital Ultrastar 0B47076 internal hard drive 3.5" 4 TB Serial ATA
 
Western Digital Ultrastar 0B47076 internal hard drive 3.5" 4 TB Serial ATA

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Economical Capacities and Fast Data Access for the Data Center
The Ultrastar® DC HA340 HDD in 4TB, 6TB, and 8TB delivers efficiency and performance for traditional and legacy systems based on proven CMR technology. Designed for a variety of applications including traditional storage arrays, rack-mounted storage enclosures and server-based storage systems, these drives are offered at 7,200 RPM with 6Gb/s SATA and Advanced Format 512e format.
Technology innovation delivers efficiency and performance for legacy systems
Address data center requirements by providing legacy capacities from 4TB to 8TB while implementing the latest in HDD storage technologies.
Proven and cost-efficient design
Ultrastar DC HA340 drives are based on an air-based HDD platform with Conventional Magnetic Recording (CMR) technology in a 3.5-inch form factor.  
Performance and protection 
These 4TB, 6TB, and 8TB HDD’s leverage a dual-stage microactuator to enhance head positioning accuracy for better drive performance.  
Designed for data center workloads
The Ultrastar DC HA340 is performance-optimized to handle heavy application workloads of up to 550TB2 per year.
Built with reliability in mind 
This robust drive delivers dependability in intense data center environments with up to 2M hours MTBF3 (projected). 
Quality and security
Provides additional peace of mind with a 5-year limited warranty. 
Weight & dimensions
Width101.6 mm
Height147 mm
Depth26.1 mm
Weight715 g
Power
Power consumption (typical)7 W
Power consumption (idle)5.8 W
Operating voltage5 / 12 V
Operational conditions
Operating temperature (T-T)5 - 60 °C
Storage temperature (T-T)-40 - 70 °C
Operating vibration0.67 G
Non-operating vibration1.04 G
Operating shock70 G
Non-operating shock300 G
Packaging data
Quantity1
Features
HDD size3.5"
HDD capacity4 TB
HDD speed7200 RPM
InterfaceSerial ATA
TypeHDD
Storage drive buffer size256 MB
HDD interface transfer rate6 Gbit/s
HDD sustained transfer rate255 MiB/s
Average latency4.16 ms
Uncorrectable Bit Error Rate (UBER)< 1 per 10^15 bits read
Advanced Format (AF)Yes
24/7 operationYes
Start/stop cycles600000
Workload rate limit550 TB/year
Mean time between failures (MTBF)2000000 h
Windows operating systems supportedYes
Linux operating systems supportedYes

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