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The Samsung 990 Pro is a PCIe 4.0 NVMe M.2 2280 SSD built on Samsung's V-NAND with 1GB of low-power DDR4 cache. Samsung rates it at up to 7,450 MB/s sequential read and 6,900 MB/s write, with 1,200,000/1,550,000 random IOPS, which puts it at the top of the PCIe 4.0 class. It suits gamers, editors and anyone moving large files who wants near-PCIe-5 speed without the heat and cost of a Gen5 drive. Reviewers consistently rank it among the fastest Gen4 drives, though its peak power draw and the fact that it does not beat newer Gen5 drives on sequential speed are the usual caveats.
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Lowest price we've seen: $259.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Reviewers and owners rate the 990 Pro as one of the fastest PCIe 4.0 SSDs available, with benchmark numbers close to Samsung's claims. Most praise its speed and reliability; complaints center on heat and the premium over cheaper Gen4 drives.
The Samsung 990 Pro is a 1 TB NVMe solid state drive in the M.2 2280 form factor. It connects over PCIe Gen4.0 x4 and supports NVMe 2.0. It uses Samsung V-NAND 3-bit MLC flash and has 1 GB of Low Power DDR4 SDRAM cache.
It reads at up to 7,450 MB/s and writes at up to 6,900 MB/s sequentially. Random performance at QD32 reaches 1,200,000 IOPS for reads and 1,550,000 IOPS for writes. The drive supports AES 256-bit encryption (Class 0) and IEEE1667 encrypted drive.
