A "Plus" variant of an SSD is not a new concept for Samsung. Previously, the company offered the Samsung 970 EVO Plus drive with slightly better specs than the non-plus variant. The upcoming 990 ...

Samsung has officially announced ... but keep in mind that the 990 EVO is more affordable, and it supersedes the 970 EVO Plus, a PCIe 3.0 drive. The SSD is now available in two configurations ...