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SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD — main product image
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD
SanDisk

SanDisk SDSSDT40-4T00-NA25 4TB Desk Drive External SSD

★★★★★4.2 (44 reviews)
4TB SSD

Store up to 4TB on your desktop with SSD speeds up to 1000MB/s in a compact, plug-and-play external drive.

$599.99*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 03, 2026.Price and availability are subject to change.

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Overview

The SanDisk Desk Drive 4TB External SSD is purpose-built for desktop use, offering a large-capacity solid-state storage solution that replaces the slow, bulky external hard drives traditionally used for desktop backups and media libraries. With read speeds up to 1000MB/s over its USB 3.2 Gen 2 interface, it delivers approximately four times the performance of a conventional desktop HDD. The 4TB capacity is sufficient for extensive photo and video collections, complete music libraries, and comprehensive document backups — all accessible at SSD speeds that make browsing and retrieving files noticeably faster.

The drive's compact design is engineered to sit unobtrusively on a desk, taking up far less space than a traditional external hard drive enclosure. It ships pre-formatted in exFAT and includes a USB-C cable, so it works immediately with both Windows and Mac computers without any reformatting. SanDisk also provides downloadable backup software that enables automatic, scheduled backups for ongoing data protection. For users who want the speed and reliability of solid-state storage for their desktop workflow without sacrificing capacity, the Desk Drive offers a straightforward, high-performance solution.

Key Features

Available in capacities up to 4TB SSD(1), giving you capacity for your photo and video collection, music library, and important documents.

Access your content faster, 4 x faster than a desktop HDD(5), with read speeds up to 1000 MB/s(2).

Quickly back up your files with SSD speeds, and make backups automatic with our included software. (Download and installation required. Terms and conditions apply. User account registration may be required. )

Maximize your desk space; the compact design of this SanDisk desktop SSD will feel natural in any work setting.

Get up and running quickly and easily on Windows or Mac out of the box with exFAT formatting, using the USB Type-C cable.

Specifications

Brand
SanDisk
Model
SDSSDT40-4T00-NA25
Capacity
4TB
Drive Type
External Solid State Drive (SSD)
Interface
USB-C (USB 3.2 Gen 2)
Read Speed
Up to 1000MB/s
File System
exFAT (pre-formatted)
Compatibility
Windows, Mac

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Pros & Cons

👍 Pros

  • 4TB capacity provides ample room for large photo libraries, video collections, music, and document archives
  • Read speeds up to 1000MB/s make file transfers and backups dramatically faster than traditional external HDDs
  • Compact desktop form factor takes up minimal desk space compared to bulky external hard drives
  • Pre-formatted in exFAT for immediate compatibility with both Windows and Mac without reformatting
  • Included backup software enables automatic scheduled backups for hands-off data protection

👎 Cons

  • Designed as a stationary desktop drive, lacking the rugged portability of SanDisk's mobile SSD lineup
  • USB-C only connection may require an adapter for systems with only USB-A ports
  • Write speeds are not specified and may be lower than the advertised 1000MB/s read speed
  • No hardware encryption or password protection features mentioned for securing sensitive data
  • At 4TB, it is among the higher-priced external SSDs compared to traditional HDDs of the same capacity

Frequently Asked Questions

The Desk Drive delivers read speeds up to 1000MB/s, which is approximately four times faster than a standard desktop external HDD. This translates to significantly quicker file transfers, backups, and access to stored media.
Yes. The drive comes pre-formatted in exFAT, which is natively readable and writable by both Windows and macOS. You can plug it in via the included USB-C cable and start using it immediately without reformatting.
Yes, SanDisk includes backup software that allows you to set up automatic file backups. The software requires a separate download and installation, and may require user account registration.
It connects via USB-C using the USB 3.2 Gen 2 interface. A USB-C cable is included in the box.

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