Features: brand new and high quality You can connect Sata 2 hard drives via the for M.2 NVME for Key for M or for Key B port expansion 2 port Sata3.0 interface on the motherboard. Using JMicron JMB582 chip, the transmission speed is stable. Support Sata III speed 6Gbps, Sata II speed 3Gbps, Sata 1 speed 1.5Gbps. The product is drive-free and hot-swappable. System support: for Windows XP/Win7/Win8/Win10 Linux. Specifications: Product Name: for M.2 NVME to 2 Ports Sata3.0 Expansion Card Chip: JMicron JMB582 Color: Black Style: 1 standing 1 lying, 2 side standing, 2 standing(optional) Supported slots:Only support 2280 slots Input Interface :Only NVME or PCI-e protocols are supported, and Sata protocol interfaces are not supported Output Interface:Sata3.0 Power Supply: No additional power supply required Transmission sppeds are up to 6Gbps Compatiblle slot: for M.2 for Key for M or for Key B Support system: for Windows XP/Win7/Win8/Win10 Linux Note: There may be a little size error in manual measurement. Due to different lighting effects and monitor settings, the color of the actual item may not exactly reflect the color in the images. Package includes: 1 x for M.2 NVME to 2 Ports Sata3.0 Expansion Card 2 x Sata Cable