
Samsung 990 EVO PLUS 1TB M.2 Internal NVMe PCIe SSD
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The 990 EVO Plus is Samsung's mainstream M.2 2280 NVMe drive, rated up to 7,150MB/s sequential read and 6,300MB/s write over PCIe 4.0 x4, and it also runs PCIe 5.0 x2. It uses TLC NAND with a nickel-coated controller and a heat-spreading label rather than a metal heatsink. It suits laptop and desktop builders who want near-flagship speed without the cost or heat of a Pro-class drive. Against the 990 Pro it gives up some random-write performance and endurance, and against budget QLC drives it holds speed better on long writes.
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Owners treat the 990 EVO Plus as a fast, cool-running everyday drive that installs easily and holds Samsung's reputation for reliability. Criticism centers on its DRAM-less design and on it being a modest upgrade over the plain 990 EVO.
The Samsung 990 EVO Plus 1TB (MZ-V9S1T0BW) is an internal M.2 2280 NVMe SSD for client PCs. It combines Samsung V-NAND TLC, an in-house controller and Host Memory Buffer (HMB) architecture. HMB uses supported system memory instead of a dedicated DRAM cache on the drive.
The drive has a dual-interface design and can run over PCIe 4.0 x4 or PCIe 5.0 x2 with NVMe 2.0. It is rated for sequential reads up to 7,150MB/s and sequential writes up to 6,300MB/s. Writes reach that speed with Intelligent TurboWrite active under Samsung's stated test conditions. Random performance is rated up to 850K IOPS read and 1,350K IOPS write.






