JetDrive™ 855

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.

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.

Match it up

Find the right JetDrive model for your Mac.

• The JetDrive series is compatible with certain Mac models.
• The JetDrive 855 is only compatible with devices running macOS High Sierra (10.13) or later. Please upgrade your macOS to High Sierra (10.13) before the installation. If your Mac model cannot be upgraded to macOS High Sierra (10.13), please use Transcend's JetDrive 825 instead.
• The 1TB native SSD is not compatible with the JetDrive 855 and JetDrive 825’s enclosure as its dimensions are designed larger than other capacities.
• The native SSD of the 11-inch MacBook Air Early 2015 is only compatible with macOS when it is used as external storage.
• The 480GB / 960GB JetDrive 500 is not supported by the 11-inch MacBook Air Late 2010 model due to mechanical limitations.
• Apple, Mac, MacBook Pro, MacBook Air, Mac mini, Mac Pro, and Retina are trademarks of Apple Inc.

Specifications