Samsung starts producing PCIe SSD for slim notebooks

Samsung Electronics has started producing PCIe solid state drive (SSD), the SM951, for use in ultra-slim notebook PCs and workstations.

Energy efficiency and high speed are the main attractions of PCIe SSD that supports both PCIe 3.0 and PCIe 2.0 interfaces, said Samsung.

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Samsung said the SM951 can read and write sequentially at 1,600MB/s and 1,350MB/s respectively based on PCIe 2.0. Its performance level is approximately three times faster than the latest SSD with a SATA interface and about 30 percent faster than that of the Samsung XP941, its predecessor. The new SSD’s random read and write speeds reach up to 130,000 and 85,000 IOPS (inputs/outputs per second) respectively.

Samsung PCIe SSD for Notebook PCs
For ultra-slim notebooks and workstations wanting to adopt the PCIe 3.0 interface, the SM951 can read and write sequentially at 2,150MB/s and 1,550 MB/s respectively, which would provide approximately four times faster sequential reading performance compared to current SATA SSDs.

With a PCIe 3.0 interface, the drive requires about 450MB/s per watt for sequential reading and 250MB/s per watt for sequential writing. This means, more than 50 percent of improvement in performance per watt over that of the XP941 SSD.

SM951 SSD adopted the L1.2 low power standby mode which allows all high-speed circuits to be turned off when a PC is on sleeping or in hibernation. SM951 uses under 2mW of power, about a 97 percent decrease from the 50mW consumed using a L1 state.

Samsung is offering SM951 in the M.2 form factor (80mm x 22mm), which is about one seventh the size of a 2.5 inch SSD. It weighs approximately six grams. The SM951 lineup consists of 512, 256 and 128GB SSDs.

editor@gizmolead.com

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