Features: brand new and high quality for: for majority operating systems. Driver-free installation( ONLY FOR win8/10). Just plug in and then it stars working. COMPLETE PACKAGE. Each package contains: 1Pc 4-disk Array Card; 1Pc Screwdriver; 2Pcs Baffle Screws; 2Pcs Baffle Screws; 1Pc Chassis Screw; 4Pcs Locking Screws; 4Pcs Studs. No need any for extra Power Supply. FEATURES. Support: PCI-E 3.0、4.0 transmission protocol; mainboard PCI-E spliting; PCI-E for RAID; SSD/for M.2 PCI-E device of for M. 2 NVME protocol; 4 disks match 4 LED lights; once SSD connected, the LED will light up. When reading the cards, the LED lights will keep flashing. Conveneint for your to check wether it works. 4 x 32Gbps High Transmission Speed. PREMIUM AND DURABLE. High quality material, sturdy and durable. Easy to install. An essential electronic accessories for home, office, IT engineers, game players, etc. UPGRADED 4-DISK ARRAY CARD. Sturdy frame, thicken PCB, durable PCIEX16 interface, perfectly protect your important datas. Built-in high power for DC power supply chip, ensure for M.2 NVME SSD working stablely. High speed, non-blocking. Specifications: Color: Black Material: Metal Weight: Approx. 119g Card Size: Approx. 10.2x14.3cm/4.02x5.63in Transmission Speed: 4 x 32Gbps Hard Disk Support: SSD/for M.2 PCI-E device of for M. 2 NVME protocol Package Includes: 1 Piece Array Card 1 Piece Screwdriver 2 Pieces Baffle Screws 1 Piece Chassis Screw 4 Pieces Locking Screws 4 Pieces Studs note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!