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!
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!
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 |
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.
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 855 Thunderbolt PCIe portable SSD
- Screwdrivers (T5 & P5)
- Rubber feet
Upgrading a Mac Pro or Mac mini requires additional screwdrivers.
Mac Model | Mac Identifier | JetDrive Model | |||
---|---|---|---|---|---|
MacBook Air | 11″ | Early 2015 | MacBook Air 7,1 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW |
Mid 2013 – Early 2014 | MacBook Air 6,1 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW | ||
Mid 2012 | MacBook Air 5,1 | JetDrive 520 | |||
Late 2010 – Mid 2011 | MacBook Air 3,1 / 4,1 *480/960GB JDM500 does not support 3,1 | JetDrive 500 | |||
13″ | Mid 2013 –2017 | MacBook Air 6,2 / 7,2 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW | |
Mid 2012 | MacBook Air 5,2 | JetDrive 520 | |||
Late 2010 – Mid 2011 | MacBook Air 3,2 / 4,2 | JetDrive 500 | |||
MacBook Pro (Retina®) | 13″ | Late 2013 – Early 2015 | MacBook Pro 11,1 / 12,1 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW |
Late 2012 – Early 2013 | MacBook Pro 10,2 | JetDrive 720 | |||
15″ | Late 2013 – Mid 2015 | MacBook Pro 11,2 / 11,3 / 11,4 / 11,5 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW | |
Mid 2012 – Early 2013 | MacBook Pro 10,1 | JetDrive 725 | |||
Mac mini | – | Late 2014 | Mac mini 7,1 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW |
– | Mid 2010 – Late 2012 | Mac mini 4,1 / 5,1 / 5,2 / 6,1 / 6,2 | JetDrive 420 | ||
Mac Pro | – | Late 2013 | Mac Pro 6,1 | JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820 | NEW |
MacBook Pro | – | Late 2008 – Mid 2012 | MacBook Pro 5,1 / 5,2 / 5,3 / 5,5 / 6,1 / 6,2 / 7,1 / 8,1 / 8,2 / 8,3 / 9,1 / 9,2 | JetDrive 420 | |
MacBook | – | Late 2008 – Mid 2010 | MacBook 4,1 / 5,1 / 5,2 / 6,1 / 7,1 | JetDrive 420 |
- The JetDrive series is compatible with certain Mac models. Please identify your Mac model here.
- The JetDrive 850/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 820/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 10.13 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
Awards
Capacity: 240GB, 480GB, 960GB