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Black rectangular portable SSD with anodized aluminium body and rubberised base

Crucial

Crucial X10 Pro 4TB portable SSD CT4000X10PROSSD9

SKU CH-DGAY-8CWZ2 MPN CT4000X10PROSSD9

Portable 4TB solid-state drive with USB 3.2 Gen 2x2 interface delivering up to 2100 MB/s read and 2000 MB/s write speeds, IP55 water and dust resistance, and 256-bit AES hardware encryption

  • Total capacity4 TB
  • Sequential read speedUp to 2,000 MB/s
  • Sequential write speedUp to 2,000 MB/s
  • Interface typeUSB 3.2 Gen 2 × 2
  • Product colorBlack

Capacity 4TB

Model X10 PRO

  • Reads up to 2100 MB/s for rapid file access
  • Writes up to 2000 MB/s to move large projects quickly
  • IP55 rating resists water, dust and sand in tough conditions
  • Hardware AES 256-bit encryption with password protection secures private data
  • Works with Windows, Mac, Android, iPad, PC and Linux

Capacity and interface

The Crucial X10 Pro CT4000X10PROSSD9 is a 4TB external SSD using the USB 3.2 Gen 2x2 interface. It is built for professionals and creators who need high-capacity portable storage with fast transfer speeds. The drive works with Windows, Mac, Android, iPad and Linux devices. Password protection and 256-bit AES hardware encryption help protect private data.

USB 3.2 Gen 2x2 practical limits

The USB 3.2 Gen 2x2 interface supports up to 2000 MBps sequential read and 2000 MBps sequential write. Actual throughput depends on the host port, cable quality and file types transferred. Older USB ports will limit performance to their maximum rated speed. The drive is rated IP55 for water and dust resistance in tough environments.

Encryption decides suitability

Hardware-based 256-bit AES encryption with password protection is the specification that determines if this drive meets your security requirements. Buyers who do not need hardware encryption or who require a different security standard should consider other options. The anodized aluminium body with rubberised base adds physical durability for mobile workflows.

How it compares

Measured against everything we stock in Portable USB SSDs, at today’s prices. Recalculated every night.

Price $407.99
Pricier than about 78% of the 410 comparable items (median $202.99).
Total capacity 4 TB
Higher than about 90% of the 311 comparable items (median 1 TB).
Sequential read speed Up to 2,000 MB/s
Higher than about 70% of the 166 comparable items (median 1,050 MB/s).
Price per TB $102.00 per TB
Cheaper than about 74% of the 310 comparable items (median $142.00 per TB).

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Specifications

Product
Brand nameCrucial
Product lineX10 Pro
Model nameCT4000 × 10PROSSD9
Total capacity4 TB
Product colorBlack
Performance
Sequential read speedUp to 2,000 MB/s
Sequential write speedUp to 2,000 MB/s
Ports & slots
Interface typeUSB 3.2 Gen 2 × 2
Size & build
Shipping weight0.07 kg
Package size97 × 97 × 25 mm

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 4TB version or a smaller capacity for video editing?

The 4TB capacity gives you room for large 4K or 8K project files and multiple timelines without swapping drives, while the 2000 MB/s sequential speeds keep scrubbing smooth.

What does the 2100 MB/s read figure mean when I am copying footage to my laptop?

You will see up to 2100 MB/s when reading large sequential files on a USB 3.2 Gen 2x2 port; smaller files or mixed workloads will be slower.

How does USB 3.2 Gen 2x2 limit the real-world speed of this drive?

The interface caps theoretical bandwidth at 20 Gb/s, so the drive’s 2000 MB/s sequential ceiling cannot be exceeded even on faster ports.

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