Features: brand new and high quality 4 disk SSD for matrix card, extended at the same for time, 4 x 32Gbps full speed signal, with cooling fan. It adopts high quality ball bearing ball fan, with long service life, high efficiency and silence. Active cooling of NVME SSD by fan ensures stable operation of SSD, and the transmission speed of SSD will not drop due to excessive temperature. Supports 4 disc soft for raid and performs soft for raid under WIN10. 4-disk has good for RAID performance and stability. We offer you a full speed experience and use imported high-power for DC chips to ensure the stable operation of for M.2 PCI-E and SSD devices.Standard Pci-e3.0 and PCI-e4.0 baud rates are supported. It supports four channel X4 and PCI-E for M.2 full speed NVME SSD interface devices. It adopts high-end PCB circuit board, surface gold plating process, with good conductivity, strong wear resistance, oxidation resistance and high level of fire for protection. Specifications: Name: 4 sets of NVME for RAID PCI-E X16 split card Type: PH44F Hard disk support: for M.2 PCI-E SSD / for M.2 NVME Protocol device Transmission speed: 4 x 32Gbps Packing size: approx. 14.3x12x1.7cm/5.63x4.72x0.67in Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x 4 Sets of NVME for RAID PCI-E X16 split card + fan + baffle