NGFF M-Key NVME to SFF-8654 Slimline SAS Card Adapter and U.2 U2 SFF-8639 NVME PCIe SSD Cable for Mainboard SSD The package included one card and one 50cm cable. The interfaces are consistent and the steel buckles are not easy to loosen, making the transmission more stable. PC+glass fiber material, strong toughness and longer service life SFF-8654 4i 36pin interface is mainly used for MINISAS 4i array The card connects to the backplane storage driver with a transmission rate of 24Gbps 1. Please be sure to confirm the PIN number of the Slim SFF-8654 interface of your device The Slim SFF-8654 interface has two types: 38PIN and 74PIN. This adapter card has a 38PIN interface! 2. The Slim SFF-8654 interface is just the shape of the interface. The data protocol of the interface is determined by your motherboard. There are three common types: SAS, SATA and NVMe. The SFF-8654 interface of this adapter card is the NVMe protocol. 3. This product needs to be plugged into your computer's interface that supports PCle x4 NVMe M.2 SSD before it can be used! The M.2 interface of PCle x2 and SATA protocols cannot be used! (Due to light problems, the color of the product may be slightly different, but it does not affect use) Colour:Black Material:plastic Package Contents: 1 x Adapter card 1 x Connection cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.