Samsung 990 EVO Plus 4TB vs WD Black SN850X 4TB NVMe SSD

Both are 4TB PCIe 4.0 M.2 drives that will feel nearly identical in everyday use. The WD Black SN850X has the higher rated sequential write speed and a longer 5-year warranty, and it is the better pick for PlayStation 5 and heavy game libraries. The Samsung 990 EVO Plus runs cooler and more power-efficient, which suits laptops and small builds, and its larger owner base reports strong long-term reliability.

• Choose the Samsung 990 EVO Plus if you want a cooler, more power-efficient 4TB drive for a laptop or compact build and value Samsung's Magician software and broad owner track record.
• Choose the WD Black SN850X if you want the fastest rated writes, a 5-year warranty, and a drive well proven in gaming and PS5 use.