• Compatible with MacBook Air 11" & 13" (Mid 2013 – 2017), MacBook Pro Retina® 13" & 15" (Late 2013 – Mid 2015), Mac mini (Late 2014), and Mac Pro (Late 2013)
  • Up to 950 MB/s read; 950 MB/s write
  • JetDrive 820 AHCI PCIe Gen3 x2 SSD inside a Thunderbolt enclosure
  • Installation tools included
  • Free download of the JetDrive Toolbox software
  • Compatible with devices running macOS Yosemite (10.10) or later

The Transcend JetDrive 825 Portable 240 GB External SSD combines a JetDrive 820 PCIe SSD with a sleek aluminium 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 825 features a 10Gb/s Thunderbolt interface, capable of blazing-fast file transfers. The drive is housed in sleek, aluminium alloy enclosure which was designed to tastefully complement your Mac's simple, clean design. In addition, the inner SSD is removable for greater ease of use based on users’ preferences. 

Expand storage in a flash
Upgrading your Mac with a Transcend JetDrive 820 allows you to increase storage capacity to 240GB, ensuring you have plenty of space for your documents, photos, music, and videos. 

Feel the need for speed
Transcend's JetDrive 820 utilizes the PCIe Gen3 x2 interface paired with the latest 3D NAND flash, resulting in a compelling performance of up to 950MB/s read and 950MB/s write*. Transcend's JetDrive 820 gives you fluid, real-time performance for professional tasks, video editing, and 3D graphics. 
*Note: Performance tested with AJA v1.0 / Black Magic v3.1. 

Manage your drive with JetDrive Toolbox
Developed by Transcend, the JetDrive Toolbox helps maintain a healthy and efficient SSD by keeping it up-to-date, preventing functional degradation, and predicting problems before they happen. The JetDrive Toolbox clearly displays drive information, S.M.A.R.T. status for possible drive failure, a health indicator showing estimated lifespan remaining, and firmware upgrades. 

All the tools you need
JetDrive 825 Thunderbolt PCIe portable SSD
Screwdrivers (T5 & P5) 
Rubber feet

Upgrading a Mac Pro or Mac mini requires additional screwdrivers.

If your Mac model cannot be upgraded to macOS High Sierra (10.13), please use Transcend's JetDrive 820/JetDrive 825 instead.


Memory Type(s)3D NAND Flash
Drive Capacity240GB
Compatible WithMacBook Air 7,1/6,1/6,2/7,2 MacBook Pro 11,1/12,1 11,2/11,3/11,4/11,5 Mac mini 7,1 Mac Pro 6,1
Interface(s)1 x Thunderbolt 10Gb/s
System Requirements
Operating Systems SupportedmacOS 10.10 or later
Form FactorPortable
Pack Quantity1
Enclosure typeExternal
Case ColourSilver
Read Speed950MB/s
Write Speed950MB/s
Certification(s)CE FCC BSMI
Operating TemperatureOperating Temperature 0C to 60C
Storage TemperatureStorage Temperature -40 to 85C