OPTICXCESS — Samsung 980 NVMe SSD Has Been Officially Announced
The Samsung 980 NVMe SSD was officially announced, and what’s interesting about this storage is the price value that can be “cheaper” than the old option. Why so? This SSD does not have the DRAM which is usually used to map SSD content.
But don’t worry, performance can still be solid. That’s because the Samsung 980 NVMe SSD uses the NVMe Host Memory Buffer (HMB) feature, the direct memory access capability of PCI Express that allows the SSD to use system memory instead of having to carry it alone.
Samsung 980 NVMe SSD
Samsung says the HMB feature is coupled with other technologies such as sixth-generation V-NAND and Intelligent TurboWrite 2.0. This technology will double the maximum allocated buffer area in 980 to 160 GB, up from just 42 GB on the 970 Evo.
This feature simulates the fast single-layer cell (SLC) performance of the 980, even though it uses 3-bit multilayer cell (MLC) memory, and is intended to provide continuous performance while transferring large files.
Well, later this SSD will take up to 64MB of CPU DRAM via PCIe to meet better performance. The results may not be as fast as an SSD that has its own DRAM, but the Host Memory Buffer feature helps it perform much better than a model that doesn’t have it at all – while saving costs. Samsung says that this SSD can reach speeds of up to six times that of a SATA-based SSD.
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Speaking of pricing, the NVMe SSD will be available in 250GB, 500GB, and 1TB capacities with MSRPs set at $ 49.99, $ 69.99, and $ 129.99 respectively.