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The Samsung 990 PRO is a PCIe Gen4 x4 NVMe M.2 2280 internal SSD rated at up to 7,450 MB/s sequential read and 6,900 MB/s sequential write. It is Samsung's top Gen4 drive, aimed at gamers, creators and anyone upgrading a laptop or desktop with an M.2 slot. Its 600 TBW endurance and 1.5 million hour MTBF are strong for a 1TB consumer drive, and it competes with other high-end Gen4 drives rather than budget models. Owners rate it highly for speed and reliability, though some note it runs warm and needs a heatsink under sustained load.
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Lowest price we've seen: $287.75 on Nov 13 at Newegg. Tracked across 1 store since Nov 13.
Rated 4.8 out of 5 from 1,289 ratings, owners praise the 990 PRO for fast load times, stable performance and easy setup. Complaints center on heat under heavy sustained writes and the lack of a bundled heatsink.
The Samsung 990 PRO is a 1 TB internal solid-state drive in the M.2 2280 form factor. It connects through a PCIe Gen4 x4 NVMe interface.
It reads at up to 7,450 MB/s and writes at up to 6,900 MB/s sequentially. Random performance reaches up to 1,200,000 IOPS for reads and 1,550,000 IOPS for writes at 4KB.






