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Transcend 240GB JetDrive 855 Thunderbolt External

CCL Code: SSD1120
Manufacturer Code: TS240GJDM855
Manufacturer: Transcend
Transcend 240GB JetDrive 855 Thunderbolt External

Key Features:

  • 240GB External SSD
  • Thunderbolt
  • Bundled Backup Software
  • USB Powered

Delivery Options

Tuesday 14th July via Priority Delivery

Free Delivery by Monday 20th July

Collection Options

Collection is currently unavailable

Our Leeds/Bradford showroom is currently closed until further notice in order to keep our staff and customers safe.

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Transcend's JetDrive 855 Thunderbolt™ PCIe portable SSD combines a JetDrive 850 PCIe SSD with a sleek aluminum Thunderbolt enclosure to instantly revitalize your Thunderbolt-equipped MacBook Pro, MacBook Air, Mac mini, or Mac Pro!

Thunderbolt technology in a sleek case

Transcend's JetDrive 855 features a 10Gb/s Thunderbolt interface, capable of blazing-fast file transfers. The drive is housed in a sleek, aluminum-alloy enclosure designed to tastefully complement your Mac's simple, clean lines. In addition, the inner SSD is removable for more versatile use based on your preferences.

Expand storage in a flash

Upgrading your Mac with a Transcend JetDrive 850 allows you to increase storage capacity to up to 960GB, ensuring you have plenty of space for your documents, photos, music, and videos. 

Feel the need for speed

Transcend's JetDrive 850 utilizes the PCIe™ Gen3 x4 interface paired with the latest 3D NAND flash, resulting in compelling performance of up to 1,600MB/s read and 1,400MB/s write*. Transcend's JetDrive 850 gives you fluid, real-time performance for demanding professional tasks, video editing, or 3D graphics rendering.

*Note: Performance tested with AJA v1.0 / Black Magic v3.1. 

JetDrive Toolbox

Exclusively developed by Transcend, JetDrive Toolbox helps maintain a healthy and efficient SSD by keeping it up-to-date, preventing functional degradation, and predicting problems before they happen. JetDrive Toolbox clearly displays drive information, S.M.A.R.T. status for possible drive failure, health indicators for estimated lifespan, and facilitates firmware upgrades. It can also identify your Mac model to quickly find out which of our Apple product suits your computer. 

All the tools you need

Inside you'll find:

  • JetDrive 855 Thunderbolt PCIe portable SSD
  • Screwdrivers (T5 & P5)
  • Rubber feet

Upgrading a Mac Pro or Mac mini requires additional screwdrivers.

Main Features

  • Thunderbolt technology in a sleek case
  • Expand storage in a flash
  • Feel the need for speed

System Requirements

Operating Systems Supported macOS High Sierra (10.13) or later


Operating Temperature 0C to 60 °C


Case Colour Silver
Form Factor Portable
Enclosure type External
Barcode 0760557841845


Warranty 5 Year Limited Warranty

Key Features

Disk Capacity 240 GB
Interface Type 1 x Thunderbolt 10Gb/s
Network Ready No
Main Colour Silver
Storage Capacity 240 GB
Solid State Drive Yes
Bundled Backup Software Yes
Power Source USB Powered
Disk Form Factor PCIe Card
RJ45 No
Firewire 400 No
Firewire 800 No
WiFi No
Thunderbolt Yes

Item Details

Manufacturer Transcend
Manufacturer Code TS240GJDM855
EAN 0760557841845
Condition New

Warranty Information

Warranty 5 Year Limited Warranty

Manufacturer Information

Manufacturer Transcend
Manufacturer Code TS240GJDM855

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