Thursday, August 03, 2017

SSD in a single package with 64-Layer 3D flash targets IoT and data centre designs

By Nick Flaherty www.flaherty.co.uk

Toshiba is shipping its next generation single-package ball grid array (BGA) solid state drive (SSD) product line based on a 64-layer, 3-bit-per-cell TLC (triple-level cell) BiCS FLASH.

The devices is aimed at mobile devices with higher performance and a smaller footprint than traditional SATA-based drives. The DRAM-less design uses fraction of the power of other NVM Express2 (NVMe) SSDs3.

“Toshiba’s third generation BG SSDs were designed to not spark, but fuel a revolution in mobile and IoT computing,” said Jeremy Werner, vice president SSD marketing and product planning at Toshiba America Electronic Components, Inc. “The BG3 series is not only smaller and lighter, but smarter thanks to its cost-effective DRAM-less design with HMB technology combined with Toshiba 64-layer 3D flash memory with TLC technology. These SSDs enable OEMs to reimagine what’s possible for their customers.”
The BG3 series uses the Host Memory Buffer (HMB) feature in NVMe Revision 1.2.1 to maintain high performance without integrated DRAM by using host memory for flash management purposes. This allows devices to harness the performance of NVMe storage while maximizing footprint and affordability to deliver a next-generation mobile experience to end users.

 By eliminating DRAM from its design, the BG3 series offers the world’s thinnest SSDs4 available at just 1.3mm high and delivers lower power consumption to maximize battery life. It uses  a Toshiba-developed controller and firmware, tightly integrated with Flash memory and is optimized for performance, low power, and reliability. To address modern security needs, self-encrypting drive options (SED) with TCG9 Opal Version 2.01 are available.

BG3 SSDs support a PCI Express5 Gen3 x2 lane and NVMe Revision 1.2.1 architecture with up to 1520 MB/s sequential read, 2.7 times the theoretical maximum bandwidth of SATA 6Gbit/s and up to 840 MB/s sequential write, 1.5 times the theoretical maximum bandwidth of SATA 6Gbit/s. The BG3 also includes a SLC cache for burst type workloads, such as those routinely experienced on Windows7-based PCs.

“When it comes to the data centre, Toshiba BG3 series SSDs can help bridge the power and price gap between enterprise SATA and mainstream client NVMe SSDs,” said Neville Ichhaporia, director client and datacenter SSD marketing at Toshiba America Electronic Components, Inc. “Every data centre is pursuing ways to reduce both capital and operating expenses. The BG3 series addresses these concerns by providing boot storage with improved power consumption and a compact footprint at appropriate capacities.”
The  BG3 series is available in 128GB, 256GB, and 512GB capacities8. All three models are available in a surface-mount BGA (M.2 1620) or a removable module (M.2 2230) form factor for platform design flexibility.

toshiba.semicon-storage.com/us/product/storage-products.html

Update: The technology is being used in new SSDs with 30.72TB in a 2.5-inch form factor. 

The TMC PM5 series uses the MultiLink SAS architecture for the first time to provide up to 3,350 MB/s of sequential read and 2,720 MB/s of sequential write in MultiLink mode and up to 400,000 random read IOPS in narrow or MultiLink mode. The 4-port MultiLink design is an additional technology to achieve high performance, close to PCI EXPRESS (PCIe) SSDs, enabling legacy infrastructures to increase productivity without having to be re-designed. 


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