Features
Western Digital WD Blue 3.5-inch HDD
Tested For Compatibility
WD perform tests on hundreds of systems and a multitude of platforms in our F.l.T. Lab to give our customers confidence that our drives will work in their systems.
Low Power Consumption
State-of-the-art seeking algorithms and advanced power management features help ensure low power consumption.
NoTouch™ Ramp Load Technology
Safely positions the recording head off the disk surface to protect your data.
Upgrading Your Drive is Easy
Seamlessly migrate your current system to your new Western Digital drive using Acro- nis® True Image™ WD Edition cloning software, available as a free download on the WD 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.
Two Year Limited Warranty
As an industry-leading hard drive manufacturer, Western Digital stands behind their PC storage solutions with a 2-year limited warranty included with every WD Blue hard drive.
Specifications
| MODEL NUMBER | WD40EZAZ |
| RECORDING TECHNOLOGY | SMR |
| FORMATTED CAPACITY | 4TB |
| FORM FACTOR | 3.5 inch |
| ADVANCED FORMAT (AF) | Yes |
| RoHS COMPLIANT | Yes |
| PERFORMANCE | |
| BUFFER TO HOST INTERFACE TRANSFER RATE (MAX) | 6 Gb/s |
| HOST TO/FROM DRIVE INTERFACE TRANSFER RATE (MAX) (SUSTAINED) | 215 MB/s |
| CACHE (MiB) | 256 |
| RPM | 7200 |
| RELIABILITY/DATA INTEGRITY | |
| LOAD/UNLOAD CYCLES | 300000 |
| NON-RECOVERABLE READ ERRORS PER BITS READ | <1 in1014 |
| POWER MANAGEMENT | |
| 12VDC ±10% (A, peak) | 1.75W |
| READ/WRITE | 5.6W |
| IDLE | 3.7W |
| STANDBY AND SLEEP | 0.4W |
| ENVIRONMENTAL SPECIFICATIONS | |
| OPERATING TEMPERATURE | 0 to 60 ℃ |
| NON-OPERATING TEMPERATURE | -40 to 70 ℃ |
| OPERATING SHOCK (2 ms, read/write) | 30 Gs |
| OPERATING SHOCK (2 ms, read) | 65 Gs |
| NON-OPERATING SHOCK (2 ms) | 350 Gs |
| IDLE ACOUSTICS (dBA)B | 25 |
| SEEK (AVERAGE) (dBA)B | 27 |
| PHYSICAL DIMENSIONS | 26.1x147x101.6 mm |
| Warranty | 2 Years |
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