Dual slot design supports M. 2 M Key NVMe & Key B SATA SSD; Converts M. 2 NGFF to standard U. 2 SFF-8639 68Pin interface; Fits 2230/2242/2260/2280 full-size M. 2 SSD modules; PCIe x4 high-speed transmission, stable signal without loss; Standard 2.5 -inch U. 2 form factor for easy bay installation