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Transcend

Transcend 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!

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 855JetDrive 850JetDrive 825JetDrive 820
Interface standardNVMeAHCI
PCIe versionGen3 x4Gen3 x2
Maximum performanceRead 1,600MB/s
Write 1,400MB/s
Read 950MB/s
Write 950MB/s
System requirementsmacOS 10.13 or latermacOS 10.10 or later
NoteWith enclosureSSD onlyWith enclosureSSD 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 ModelMac IdentifierJetDrive Model
MacBook Air11″Early 2015MacBook Air 7,1JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Mid 2013 – Early 2014MacBook Air 6,1JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Mid 2012MacBook Air 5,1JetDrive 520
Late 2010 – Mid 2011MacBook Air 3,1 / 4,1
*480/960GB JDM500 does not support 3,1
JetDrive 500
13″Mid 2013 –2017MacBook Air 6,2 / 7,2JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Mid 2012MacBook Air 5,2JetDrive 520
Late 2010 – Mid 2011MacBook Air 3,2 / 4,2JetDrive 500
MacBook Pro (Retina®)13″Late 2013 – Early 2015MacBook Pro 11,1 / 12,1JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Late 2012 – Early 2013MacBook Pro 10,2JetDrive 720
15″Late 2013 – Mid 2015MacBook Pro 11,2 / 11,3 / 11,4 / 11,5JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Mid 2012 – Early 2013MacBook Pro 10,1JetDrive 725
Mac miniLate 2014Mac mini 7,1JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
Mid 2010 – Late 2012Mac mini 4,1 / 5,1 / 5,2 / 6,1 / 6,2JetDrive 420
Mac ProLate 2013Mac Pro 6,1JetDrive 855 / JetDrive 850 / JetDrive 825 / JetDrive 820NEW
MacBook ProLate 2008 – Mid 2012MacBook Pro 5,1 / 5,2 / 5,3 / 5,5 / 6,1 / 6,2 / 7,1 / 8,1 / 8,2 / 8,3 / 9,1 / 9,2JetDrive 420
MacBookLate 2008 – Mid 2010MacBook 4,1 / 5,1 / 5,2 / 6,1 / 7,1JetDrive 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