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Midnight Blue rectangular portable hard drive with rounded edges, palm-sized, smooth matte finish

Western Digital

Western Digital WDBA2F0040BBL-WESN 4TB portable hard drive

SKU CH-MH01-0PHGM MPN WDBA2F0040BBL-WESN

A 4 TB portable drive formatted for Mac with USB 3.2 Gen 1, Time Machine support and 256-bit hardware encryption

  • ColorBlue
  • InterfaceUSB 3.2 Gen 1
  • Capacity4TB
  • System RequirementsmacOS 11+ Downloadable HFS+ driver to read/write on Windows®
  • Dimensions0.75" x 2.95" x 4.22"
  • Weight0.46 lb.

Capacity 4TB

  • Ready for Time Machine backups on macOS 11+
  • USB-C and USB-A 3.2 Gen 1 connectivity included
  • 256-bit AES hardware encryption with password protection
  • Compact 0.75" × 2.95" × 4.22" design weighs 0.46 lb
  • WD Discovery software for backup, security and drive utilities

Mac-ready portable storage

The Western Digital My Passport for Mac delivers 4TB of portable capacity in a Midnight Blue enclosure. It connects via USB 3.2 Gen 1 and is formatted out of the box for macOS 11 and later, making it ready for immediate Time Machine backups. The drive includes both a SuperSpeed USB-A cable and a USB-A to USB-C adapter for broad Mac compatibility.

Bundled software and security features

WD Discovery installs WD Security for password protection and 256-bit hardware encryption, WD Drive Utilities for drive management, and tools to import content from social media and cloud services. A downloadable HFS+ driver enables read and write access on Windows 10 and newer without reformatting the drive. The quick install guide walks through the initial setup steps.

Check your Mac before ordering

Verify that your Mac runs macOS 11 or later to match the stated system requirement. Confirm you have an available USB-A or USB-C port for the supplied cable and adapter. The drive draws power from the USB bus, so ensure the port can supply sufficient current for reliable operation. Compatibility may vary with specific hardware configurations.

商品特色

  • Ready for Time Machine backups on macOS 11+
  • USB-C and USB-A 3.2 Gen 1 connectivity included
  • 256-bit AES hardware encryption with password protection
  • Compact 0.75" × 2.95" × 4.22" design weighs 0.46 lb
  • WD Discovery software for backup, security and drive utilities

商品規格

BrandWestern Digital
ModelWDBA2F0040BBL-WESN
ColorBlue
InterfaceUSB 3.2 Gen 1
Capacity4TB
System RequirementsmacOS 11+
Downloadable HFS+ driver to read/write on Windows® 10+ without the need to reformat
Compatibility may vary depending on user’s hardware configuration and operating system.
Dimensions0.75" x 2.95" x 4.22"
Weight0.46 lb.
Package ContentsMy Passport for Mac portable hard drive
SuperSpeed USB-A cable (5Gbps)
USB-A to USB-C adapter
Software for device management and backup with password protection
Quick install guide
出貨重量0.50 kg
包裝尺寸163 × 117 × 38 mm

其他版本

同系列還有 3 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Does the 4 TB mechanical drive need any periodic maintenance such as lubrication or bearing replacement?

No user-serviceable parts are inside; the sealed mechanism runs without scheduled lubrication or bearing changes.

What limits continuous write speed when the drive is used all day over USB 3.2 Gen 1?

The 5 Gbps SuperSpeed USB-A interface caps sustained throughput before the internal platters reach their own ceiling.

How warm and loud does the Midnight Blue enclosure get during an all-day backup?

The compact 0.75" x 2.95" x 4.22" aluminium shell stays warm to the touch and the spindle is audible in a quiet room.

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