Newegg via eBay
512GB Intel 660p Series M.2 2280 PCIe 3.0 x4 3D NAND Internal Solid State Drive SSD (SSDPEKNW512G8XT) $79.99 + Free Shipping
https://www.ebay.com/itm/Intel-66…5000006421
Newegg via eBay
512GB Intel 660p Series M.2 2280 PCIe 3.0 x4 3D NAND Internal Solid State Drive SSD (SSDPEKNW512G8XT) $79.99 + Free Shipping
https://www.ebay.com/itm/Intel-66…5000006421