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The Samsung 990 Pro is a PCIe 4.0 NVMe M.2 internal SSD, and the 4TB version is the largest capacity in the line. It targets near the ceiling of Gen4 bandwidth, with sequential reads up to about 7,450 MB/s and writes around 6,900 MB/s, and Samsung rates the 4TB model for roughly 2,400 TBW of endurance. It suits gamers, video editors and anyone moving large files who has a free M.2 slot and no need for Gen5. Against Gen5 drives it gives up peak speed but runs cooler and draws less power; against budget Gen4 drives it costs more for top-tier consistency and a long warranty.
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Reviewers and owners rate the 990 Pro as one of the fastest and most consistent PCIe 4.0 drives, with strong real-world load times and good thermals for its class. Complaints center on price relative to budget Gen4 drives and on heat under long sustained writes.
It is built for fast performance and power efficiency.
It is aimed at gamers and other users who want high-speed storage.
