Newegg has some deals on the Samsung 970 EVO Plus:

Samsung 970 EVO Plus 500gb PCIe NVMe M.2 Solid State Drive (MZ-V7S500B/AM) – $99…

Samsung 970 EVO Plus PCIe NVMe 500gb – $99 & 1TB – $199

Source: [H]ardOCP – Samsung 970 EVO Plus PCIe NVMe 500gb – & 1TB – 9