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Samsung SSD 970 EVO Review

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Samsung SSD 970 EVO Review

By Olin Coles

Manufacturer: Samsung Electronics Co., Ltd.
Product Name: SSD 970 EVO NVMe M.2 Solid State Drive
Part Number: MZVLB1T0HALR
Model Number: MZ-V7E1T0BW (MZ-V7E1T0)
UPC: 887276261898 EAN: 8801643205300
Price As Tested: $394.99 (Amazon | Newegg)

Full Disclosure: The product sample used in this article has been provided by Samsung.

Samsung recently debuted their second-generation 3-bit MLC V-NAND flash technology with their SSD 970 EVO NVMe M.2 solid state drive series. In this article, Benchmark Reviews tests the 1TB Samsung SSD 970 EVO, which pairs their latest 64-cell layer V-NAND and a 1GB LPDDR4 DRAM cache buffer with their new Phoenix controller to produce up to 3400 MB/s reads at 500,000 IOPS and 2500 MB/s writes at 450,000 IOPS, and we compare performance against all the leading competition. We’ll find out if Samsung’s 970 EVO SSD is worth the money.

Samsung-SSD-970-EVO-1TB-Retail-Package

Over the past year motherboard manufacturers have updated the primary storage interface from SATA 6Gb/s to the M.2 2280 form factor residing on the Peripheral Component Interconnect Express (PCIe) 3.0 interface. Samsung’s SSD 970 EVO is a NVMe 1.3 solid state drive for the modern 2280 form factor M.2 interface, which is found on most current-generation desktop computers and notebook PCs.

Samsung SSD 970 EVO Specifications

Samsung-SSD-970-EVO-1TB-Specifications

Bandwidth Speed vs Operational Performance

Solid State Drive performance revolves around two dynamics: bandwidth speed (MB/s) and operational performance I/O per second (IOPS). These two metrics work together, but one may be more important than the other depending on the workload. Consider this analogy: bandwidth determines how much cargo a ship can transport in one voyage, and operational IOPS performance is how fast that ship moves back and forth. By understanding this and applying it to SSD storage, there is a clear importance set on each variable depending on the task at hand.

For casual users, especially those with laptop or desktop computers that have been upgraded to use an SSD, the naturally quick response time is enough to automatically improve the user experience. Bandwidth speed is important, but only to the extent that operational performance meets the minimum needs of the system. If an SSD has a very high bandwidth speed but a low operational performance, it will take longer to load applications and boot the computer’s Operating System than another SSD that offers higher IOPS performance.


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