SanDisk Professional G-DRIVE SDPH91G-004T-NBAAD 4 TB Desktop Hard Drive – External – Space Gray

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Product Type: Hard Drive
Product Family: G-DRIVE
Color: Space Gray
Brand Name: SanDisk Professional
Device Supported: MacBook
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  • Storage Capacity4 TB
  • Platform Supported
    • PC
    • Mac

  • Maximum Read Transfer Rate200 MB/s
  • Maximum Write Transfer Rate200 MB/s
  • Spindle Speed (rpm)7200
  • Wireless LANNo
  • Host InterfaceUSB 3.2 (Gen 1) Type C
  • ColorSpace Gray
  • Drive TypeExternal
  • External Drive TypeDesktop
  • Height1.4″
  • Width5.1″
  • Length7.7″
  • Weight (Approximate)2.38 lb
  • Package Contents
    • G-DRIVE External Hard Drive
    • AC Power Adapter
    • Power Cable
    • USB-C to USB-C Cable
    • USB-C to USB-A Cable (backwards compatibility USB 3.1, 3.0, 2.0)
    • Quick Start Guide

  • Device Supported
    • MAC
    • MacBook

  • Operating System Compatibility
    • Windows 10+
    • macOS 10.12+

  • Country of OriginThailand
  • Limited Warranty3 Year


General Information
Manufacturer: Western Digital Corporation
Manufacturer Part Number: SDPH91G-004T-NBAAD
Manufacturer Website Address:
Brand Name: SanDisk Professional
Product Line: G-DRIVE
Product Model: SDPH91G-004T-NBAAD
Product Name: G-DRIVE External Hard Drive
Marketing Information:

Reliable, high-capacity storage for fast backups

The G-DRIVE enterprise-class hard drive delivers ultra-reliable, high-capacity storage in a premium, stylish design. An Ultrastar drive inside encased in an all-aluminum enclosure, and featuring a versatile USB-C™ (5Gbps) interface is perfect for fast backup and access to your HD videos, photos, and music. And with USB Power Delivery, the G-DRIVE will conveniently charge your compatible MacBook while connected to the drive.

High-capacity and fast data transfers
Quickly backup and store all your HD photos, videos and music with high-speed data transfers using the USB-C port.

USB Power Delivery to charge while you back up
Support for up to 45 watts of USB Power Delivery through the USB-C port allows you to charge your compatible MacBook Air, MacBook Pro or iPad Pro without having to take a separate charger out of your bag.

Ultrastar™ Enterprise-class Hard Drive Inside
For all your demanding workloads and mission-critical content, you can rely on the power and enhanced reliability of the Ultrastar™ enterprise-class 7200RPM hard drive inside.

Premium, All-aluminum Enclosure
With a premium, anodized aluminum enclosure, the G-DRIVE pairs beautifully with your high-end computer and gives you durable strength you can feel.

Mac ready, Apple Time Machine compatible
Ready to go for Mac computers and Apple Time Machine backup right out of the box. Easily reformat for Windows and Windows Backup.

3-year limited warranty
Backed by a 3-year limited warranty, you can be confident in the reliable storage of the G-DRIVE for years to come.

Product Type: Hard Drive
Technical Information
Storage Capacity: 4 TB
Platform Supported:

  • PC
  • Mac

Drive Performance
Maximum Read Transfer Rate: 200 MB/s
Maximum Write Transfer Rate: 200 MB/s
Spindle Speed (rpm): 7200
Network & Communication
Wireless LAN: No
Host Interface: USB 3.2 (Gen 1) Type C
Physical Characteristics
Color: Space Gray
Drive Type: External
External Drive Type: Desktop
Height: 1.4″
Width: 5.1″
Length: 7.7″
Weight (Approximate): 2.38 lb
Package Contents:

  • G-DRIVE External Hard Drive
  • AC Power Adapter
  • Power Cable
  • USB-C to USB-C Cable
  • USB-C to USB-A Cable (backwards compatibility USB 3.1, 3.0, 2.0)
  • Quick Start Guide

Device Supported:

  • MAC
  • MacBook

Operating System Compatibility:

  • Windows 10+
  • macOS 10.12+

Country of Origin: Thailand
Limited Warranty: 3 Year

Additional information

  • Weight 2.38 kg
  • Dimensions 7.7 × 5.1 × 1.4 cm
  • Product Type

    Hard Drive

  • Product Family


  • Color

    Space Gray

  • Brand Name

    SanDisk Professional

  • Device Supported


  • Host Interface

    USB 3.2 (Gen 1) Type C

  • Spindle Speed (rpm)


  • Drive Type


  • Storage Capacity

    4 TB

  • Wireless LAN


  • External Drive Type


All new products are covered by the manufacturer warranty. To claim warranty, you may contact the manufacturer directly or contact your account executive at Hardware Nation. We can help facilitate the warranty processes between the customer and manufacturer.