Toshiba applies its 64-Layer, 3D flash memory to slim-format SSDs

Toshiba applies its 64-Layer, 3D flash memory to slim-format SSDs

New Products |
By Graham Prophet

The XG5 series is a line of NVM Express (NVMe) SSDs (solid-state drives) integrating 64-layer, 3D flash memories, offering up to 1TB capacity in a compact M.2 form factor. OEM customers immediately get access to limited quantities of qualification samples with shipments gradually increasing in the second half of 2017.


As the third generation of the XG Series, XG5 SSDs feature the latest 3-bit-per-cell TLC (triple-level cell) BiCS FLASH and use PCI EXPRESS (PCIe) Gen3 x 4 lanes and NVMe Revision 1.2.1 to deliver extremely high performance up to 3000 MB/sec of sequential read and 2100 MB/sec of sequential write. Compared to 6 Gbit/sec SATA storage, the XG5 Series is up to 5.4 times faster on sequential read performance and up to 3.8 times faster on sequential write performance with a maximum interface bandwidth of 32 GT/sec (giga-transfers/sec). The XG5’s feature-set also features an SLC cache for performance to accelerate burst type workloads, such as those experienced routinely on Windows-based PCs, as well as improved standby power consumption reduced by over 50% to less than 3 mW, making these SSDs an excellent solution for high performance mobile computing.


XG5 Series SSDs will be available in three capacities, 256 GB, 512 GB and 1024 GB, all on a single-sided M.2 2280 form factor. Self-encrypting drive (SED) models supporting TCG Opal Version 2.01 will also be offered, making the XG5 series highly suited to a wide range of applications including ultra-mobile PCs that prioritize performance and business applications requiring security.







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