SSD Upgrade Kits for Mac

JetDrive 850

Is your Mac getting sluggish? Transcend's JetDrive 850* SSD utilizes the PCIe™ Gen3.0 interface to unleash next-generation performance, instantly revitalizing your MacBook Pro, MacBook Air, Mac mini, or Mac Pro!

Which model suits you?

Transcend’s JetDrive series includes four models of PCIe SSDs. They are JetDrive 855, JetDrive 850, JetDrive 825, and JetDrive 820. Find out which model suits your needs!

MacBook Pro
MacBook Air
Mac mini
Mac Pro
  JetDrive 855 JetDrive 850 JetDrive 825 JetDrive 820
Interface standard NVMe AHCI
PCIe version Gen3 x4 Gen3 x2
Maximum performance Read 1,600MB/s
Write 1,400MB/s
Read 950MB/s
Write 950MB/s
System requirements macOS 10.13 or later macOS 10.10 or later
Note With enclosure SSD only With enclosure SSD only

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.

Gen3 x4

Read up to 1,600MB/s
Write up to 1,400MB/s

Gen2 x4

Read up to 1,500MB/s
Write up to 1,200MB/s

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 850 SSD
  • Screwdrivers (T5 & P5)

Upgrading a Mac Pro or Mac mini requires additional screwdrivers.