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Product Name: Itw | Western Digital Blue 4TB 3.5-inch 256MB 5400RPM PC HDD (WD40EZAX)
WD Blue™ 3.5-inch PC HDD
* WD Blue internal hard drives deliver solid reliability for office and web applications and are perfect for extra storage for desktop PCs and in-office applications.
Low Power Consumption
* State-of-the-art seeking algorithms and advanced power management features help ensure low power consumption.
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.
Upgrading Your Drive Is Easy
* Seamlessly migrate your current system to your new Western Digital drive using Acronis® True Image™ WD Edition software, available as a free download on the Western Digital Support site. This software enables you to copy all your data to a new drive so you don’t have to reinstall your operating system to get all the benefits of a new drive
Specification
* Model Number: WD40EZAX
* Recording Technology: CMR
* Formatted Capacity: 4TB
* Form Factor: 3.5-inch
* Advanced Format (AF): Yes
* RoHS compliant: Yes
Performance
* Interface speed (SATA): 6Gb/s
* Internal transfer rate (max): 180 MB/s
* Cache (MB): 256
* RPM: 5400
Reliability/Data Integrity
* Load/unload cycles: 300,000
* Non-recoverable read errors per bits read: <1 in 10
Power Management
* Average power requirements
> 12VDC ±10% (A, peak): 1.75
> Read/Write: 4.7
> Idle: 3.1
> Standby and Sleep: 0.3
Environmental Specifications
* Temperature (°C, on the base casting)
> Operating: 0 to 60
> Non-operating: -40 to 70
* Shock (Gs)
> Operating (2 ms, write): 70
> Operating (2 ms, read): 70
> Non-operating (2 ms): 250
* Acoustics (dBA)
> Idle: 23
> Seek (average): 25
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, ± 3%): 1.26/0.57
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