Features: Brand new and high quality Utilizes advanced PCB circuit boards with surface gold plating for strong wear resistance, oxidation resistance, and high fire rating. Supports PCI-E split or PCI-E for Raid function; NVME SSD and M.2 PCI-E interface devices. Features 4 bays on the front and back for 22110, 2280, 2260, 2242 specifications, supporting 4x4 full-channel full speed. Provides full-speed PCI-E4.0 for RAID 0 mode, with read speeds up to 14000MB/s. Dual-sided heat dissipation simultaneously, with adjustable speeds for more stable transmission. Equipped with full-height and half-height baffles, supporting 2U servers and fitting small chassis installations. Specifications: Item: Dual-sided 4-disk NVME for RAID PCI-E X16 Split Card Hard Drive Support: SSD/M.2 PCI-E device with M.2 NVME protocol Transmission Speed: 4x32Gb 14000+Mb/s Size: Approx. 225x77mm/8.86x3.03in Note: This product can run 4 NVMEs simultaneously for a period, but the motherboard must support PCIE signal splitting. Due to different monitor and light effects, the actual color of the item may differ slightly from the colors shown in the pictures. Thank you! Please allow 1-2 cm measurement deviation due to manual measurement. Package includes: 1x adapter 1x Manual 1x Cabinet Screw 8x screws (2 types/4 pcs each) 1x Screwdriver 1x Full Size Baffle 1x Half Size Baffle