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Western Digital

1.0TB RE4 Hard Disk Drive

3.5-Inch | SATA 3.0Gb/s | 7200RPM | 64MB Cache
Used | OWC Tested
Fast - Reliable - Enterprise-Ready
High-capacity, high-performance enterprise SATA drives with 24x7 reliability for business-critical applications.

WD RE4 enterprise SATA hard drives combine 64 MB cache with dual processors and dual stage actuation for lightning-fast performance in demanding server and storage applications. Technologically advanced acoustics minimize noise. Cool drive operation and enhanced reliability features help protect the drive and the data stored on it.
Key Features
Massive capacity - WD RE4 Enterprise SATA drives are available with up to 2 TB's of cavernous capacity.

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.

Dual processor - With double the processing power, WD RE4 boasts the highest performance of any drive in the WD RE family.

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

RAFF - 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.

IntelliSeek - Calculates optimum seek speeds to lower unnecessary power consumption, noise, and vibration. View demo

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.

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

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.

Perpendicular Magnetic Recording (PMR) - WD RE4 drives utilize PMR technology to achieve even greater areal density, reliability, and design margin.

Active Power Save - Delivers best-in-class power consumption through advanced WD firmware that conserves power in active seek modes without degrading performance.

1.0TB Western Digital RE4 Specifications:

Specifications

Form Factor
3.5″ HDD
Interface
SATA 3 Gb/s
Capacity1
1.0TB
Formatted Capacity2
931GiB
Rotational Speed
7200 RPM
Cache / Data Buffer
64MB
Manufacturer Model Number
WD1003FBYX
Format

Physical

Height (max)
26.1mm (1.028″)
Width (max)
101.6mm (4.00″)
Length (max)
147mm (5.787″)
Weight (typical)
0.68kg (1.49 lbs.)
Guaranteed Sectors
1,953,525,168

Reliability3

MTBF (Mean Time Between Failures)
600,000 hours
Warranty
5 Year Western Digital Warranty

Performance

Transfer Rate (Max)
3 Gb/s

Power

Read Power
7.9 Watts
Write Power
7.9 Watts
Idle Mode
5.9 Watts
Standby Mode
0.7 Watts
Sleep Mode
0.7 Watts

Environmental (Operating)

Shock
30 G max at 2ms
Ambient Temperature (°F)
41°F to 131°F
Ambient Temperature (°C)
5°C to 55°C
Vibration
20-300 Hz, 0.75G (0 to peak)
Relative Humidity (non-condensing)
5% to 95%
Altitude
-1,000 feet to 10,000 feet

Environmental (Non-Operating)

Shock
300 G max at 2ms
Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
Vibration
20-500 Hz, 5.0G (0 to peak)
Relative Humidity (non-condensing)
5% to 95%
Altitude
-1,000 feet to 40,000 feet

Acoustics

Idle (Typical)
2.8 bels
Seek (Typical)
3.3 bels
  1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
  2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
  3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
Manufacturer provided specifications for Western Digital p/n WD1003FBYX UPC#: 718037761725
Western Digital 1.0TB RE4 Mfr P/N: WD1003FBYX OWC SKU: WDGWD1003FBYXU Internal 3.5" Hard Drive 30 Day OWC Fulfilled Limited Warranty
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