Твърд диск 2TB WD Re, SATA 6Gb/s, 7200 rpm, 128MB, 3.5"(8.89 cm)

2TB WD Re WD2004FBYZ

Datacenter Capacity HDD
Performance-optimized high-capacity storage for high-intensity applications.
Advanced drive technology that delivers consistent high performance in a multitude of applications, and with up to ten times the workload capability of desktop drives, the WD Re drive is the workhorse of
WD’s datacenter portfolio. The WD Re drive is perfect for high-availability storage arrays that demand a robust storage device, and this drive’s
high performance, capacity, and reliability make it ideal for data warehousing/mining and high-performance computing. The WD Re uses a SATA interface to provide maximum flexibility and compatibility.

Product Benefits

High capacity nearline drive Multiple capacities to suit even the most demanding datacenter, enterprise server, or cloud storage needs.
Designed for high-intensity applications
Designed to handle workloads up to 550TB per year – among the highest workload capability of any 3.5-inch hard drive – delivering both performance and reliability to any datacenter environment.

StableTrac™
(excluding FBYZ models)
The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking during read and write operations.

Vibration Protection

Enhanced RAFF™ technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration in real time.
The result is a significant performance improvement in high vibration environments over desktop drives.

Dual actuator technology

A head positioning system with two actuators that improves positional accuracy over the data track(s).
The primary actuator provides coarse displacement using conventional electromagnetic actuator principles.
The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy.

Multi-axis shock sensor

Automatically detects the subtlest shock events and compensates to protect the data.
RAID-specific, time-limited error recovery (TLER)
Reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

Designed for quality and reliability

With 2.0 million hours MTBF, these drives ensure one of the highest level reliability ratings for high-capacity enterprise storage needs.

Thermal extended burn-in test

Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation.

NoTouch™ ramp load technology

The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.

Dynamic fly height technology

Each read-write head’s fly height is adjusted in real time for optimum reliability.

Specifications

Interface SATA 6 Gb/s
Formatted capacity 2TB
512n/512e user sectors per drive 3,907,029,168
Native command queuing Yes
Form factor 3.5-inch
RoHS compliant Yes

Performance

Data transfer rate (max)
Buffer to host 6 Gb/s
Host to/from drive (sustained): 200 MB/s
Cache (MB) : 128
Rotational speed (RPM) : 7200

Reliability/Data Integrity
Load/unload cycles 600,000
Non-recoverable read errors per bits read : <1 in 101
MTBF (hours) : 2,000,000
AFR (%) 0.44
Limited warranty (years) 5

Power Management
Average power requirements (W)
Sequential read : 7.4
Sequential write : 7.4
Random read/write : 8.1
Idle : 5.9

Environmental Specifications
Temperature (°C)
Operating : 5 to 60
Non-operating : -40 to 70
Shock (Gs)
Operating (2 ms, read/write) : 60
Operating (2 ms, read) : 65
Non-operating (2 ms) : 300
Acoustics (dBA)
Idle : 25
Seek (average) : 28

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%)1.41/0.64

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