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SanDisk Professional 1TB SSD Thunderbolt 3

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  • 1TB Storage Capacity
  • Thunderbolt 3 USB Type-C Interface
  • Up to 2700 MB/s Read Speeds
  • Up to 1900 MB/s Write Speeds
  • Bus Powered
  • Rugged Protection
  • Water, Dust, and Shock Resistant
  • Formatted for Mac

The SanDisk Professional 1TB PRO-G40 SSD Thunderbolt 3 Portable SSD is a rugged and durable portable solid-state drive that is ideal for storing important footage, including large RAW images and 4K video files. 1TB SanDisk Professional PRO-G40 SSD has an IP68 rating for water and dust resistance and can withstand 9.8' drops and 4000 pounds of crushing force. With its aluminum core, it quickly dissipates heat to maintain high transfer speeds of up to 2700 MB/s read and 1900 MB/s write with Thunderbolt 3 compatibility. 1TB SanDisk Professional PRO-G40 SSD also works with USB 3.2 Gen 2 Type-C devices at speeds of up to 1050 MB/s and 1000 MB/s read and write, making it an excellent scratch drive for high-resolution editing and rendering.

This external SSD is pre-formatted for macOS 10.13 or later systems and may be reformatted for Windows 10 or later. It is backed by a 5-year warranty.


The SanDisk Professional PRO-G40 SSD is designed to deliver up to 2700 MB/s read and 1900 MB/s write speeds via a Thunderbolt 3 connection.

Versatile Connectivity

With dual-mode compatibility, you can connect this portable SSD to a USB 3.2 Gen 2 Type-C system for up to 1050 MB/s read and 1000 MB/s write speeds.

Brave the Elements

This rugged storage device is built to last with IP68 dust and water resistance, 9.8' drop protection, and 4000 pounds crush resistance.

Staying Cool

Built to support heavy workflows, the PRO-G40 SSD has an aluminum core that helps to maintain optimal temperatures during sustained data transfers.

In the Box
  • SanDisk Professional 1TB PRO-G40 SSD Thunderbolt 3 Portable SSD
  • Thunderbolt 3 Cable
  • Limited 5-Year Warranty
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More Information
Memory Capacity1TB
Product ConditonNew
Host Connection USB-C (Thunderbolt 3)
Storage Capacity 1 TB SSD
Read Speed Maximum: 2700 MB/s
Write Speed Maximum: 1900 MB/s
Buffer None
Pre-Format APFS

Reliability / Data Integrity

Encryption None

External Enclosure

Material Aluminum
Cooling System Passive
Environmental Resistance Crush, Drop, Dust, Water
IP Rating IP68


Power Source Thunderbolt/USB Bus Power


Operating Temperature 41 to 95°F / 5 to 35°C


Dimensions 4.4 x 2.3 x 0.5" / 111 x 58 x 12 mm
Weight 4.3 oz / 121.2 g

Packaging Info

Package Weight 0.39 lb
Box Dimensions (LxWxH) 5.6 x 4 x 1.3"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to
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