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SSD disk Transcend 960GB 2.5" SATA III JetDrive 855
Transcend's JetDrive 855 Thunderbolt PCIe portable SSD combines a JetDrive 850 PCIe SSD with an aluminum Thunderbolt enclosure to expand and accelerate storage for Thunderbolt-equipped Mac systems. The drive offers a 10 Gb/s Thunderbolt interface, a removable internal PCIe Gen3 x4 SSD with 3D NAND, and a brushed silver aluminum housing that complements Mac designs. The package includes tools and accessories to open the enclosure and install the internal drive.
The JetDrive 855 delivers high transfer speeds—up to 1,600 MB/s read and 1,400 MB/s write—thanks to a PCIe Gen3 x4 interface and modern 3D NAND flash. The Thunderbolt 10 Gb/s connection provides fast external throughput while the aluminum enclosure offers durable, lightweight protection. The internal SSD is removable for flexible use, and included screwdrivers and rubber feet simplify installation and desktop use. JetDrive Toolbox software provides drive information, S.M.A.R.T. monitoring, health indicators, and firmware upgrade support.
Open the aluminum enclosure using the supplied T5 and P5 screwdrivers, remove or install the internal JetDrive 850 PCIe SSD as needed, then reassemble the enclosure. Connect the JetDrive 855 to a Thunderbolt-equipped Mac using a Thunderbolt cable (not included) to access the drive. Use the included rubber feet for stable desktop placement. For Mac Pro or Mac mini upgrades, additional screwdrivers may be required—refer to your Mac model's service instructions before proceeding.
Install JetDrive Toolbox on your Mac to monitor S.M.A.R.T. status, check drive health, and perform firmware updates. For best performance, connect via a Thunderbolt port and ensure your Mac supports PCIe/NVMe boot or external drive operation if you plan to run applications or OS directly from the SSD.
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