Amazon.com: KingSpec M.2 SATA SSD, 256GB 2280 SATA III 6Gbps Internal M.2 SSD, Ultra-Slim NGFF State Drive for Desktop/Laptop/Notebook (2280, 256GB) : Electronics
ASRock Ultra Quad M.2 Card Review - 4 x M.2 SSD RAID at 10GB/s and 932K IOPS | The SSD Review