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Western Digital Re WD2503ABYZ 250GB Enterprise 3.5" SATA Hard Drive

Item Number: WDC-WD2503ABYZ-BN-5Y
Manufacturer's Part Number: WD2503ABYZ
Contact us about WD2503ABYZGet help regarding WD2503ABYZ

Western Digital Re WD2503ABYZ 250GB 7.2K 6Gb/s Enterprise 3.5" SATA Hard Drive - Brand New

WD2503ABYZ SCSI Hard Drive Photo

WD2503ABYZ SCSI Hard Drive Photo WD2503ABYZ SCSI Hard Drive Photo WD2503ABYZ SCSI Hard Drive Photo WD2503ABYZ SCSI Hard Drive Photo
Price: $89.00
Condition: Brand New - What does this mean?
Warranty: 5 Year Manufacturer - What does this mean?

Capacity: 250GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5inx1.0in LFF Hard Drive
Sustained Throughput (MBps): 128
Average Seek Time (read/write ms):
Electrical Interface Speed: SATA 600 - 6.0Gbps
On-Board Cache: 64MB

Brand New - What does this mean?
5 Year Manufacturer - What does this mean?

WD Re Datacenter SATA Hard Drives
Ideal for servers, video surveillance, and other demanding write-intensive applications, WD Re 7200 RPM Enterprise SATA hard drives offer 64 MB cache,4th generation vibration tolerance, and 5-year limited warranty.

Dual processor
With double the processing power,WD Re boasts the highest performance of any drive in the WD family.

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 the previous generation of drives.

Calculates optimum seek speeds to lower power consumption, noise, and vibration.

Multi-axis shock sensor
Automatically detects the subtlest shock events and compensates to protect the data.

RAID-specific, time-limited error recovery (TLER)
Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

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.

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

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

24x7 reliability
With 1.2 million hours MTBF (tested at100% duty cycle), these drives have the highest available reliability rating on a high-capacity drive.


This drive is compatible with any SATA hot swap trays and controllers.

Model number WD2503ABYZ
Interface SATA 6 Gb/s
Formatted capacity 251 GB
User sectors per drive 490,350,672
Native command queuing Yes
SATA latching connector Yes
Form factor 3.5-inch
Max Data transfer rate 6 Gb/s
Cache (MB) 64
Rotational speed (RPM 7200
Average drive ready time (sec) 14
Heads/disks 1/1
Bytes per sector (STD) 512
Reliability/Data Integrity
Load/unload cycles 600,000
Non-recoverable read errors per bits read <1 in 1015
Limited warranty (years) 5
Power Management
12VDC (A, max) 2.25
Average required wats Read/Write 6.5 / 6.4
Average required wats Idle 4.4
Average required wats Standby 0.8
Average required wats Sleep 0.8
Environmental Specifications
Operating Temperature (°C) 5 to 55
Non-operating Temperature (°C) -40 to 70/td>
Shock (Gs) Operating (2 ms, read/write) 30
Shock (Gs) Operating (2 ms, read) 65
Shock (Gs) Non-operating (2 ms) 350
Average acoustics (dBA) Idle mode 27-
Average acoustics (dBA) Performance seek mode 30
Average acoustics (dBA) Quiet seek mode 29
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

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