Features: brand new and high quality Compliant with PCI-Experss(Only Support for m.2 sata protocol ssd, not support for m.2 nvme ssd.) Support 4 Port B for key for m.2 sata protocol ssd Bus Type of PCI for Express X1 3.0 interface The supported communication rates are 10 Gbps No need to drive Support 2230/2242/2260/2280 for m.2 ssd Specifications: Item Name: PCIE 1X to for M.2 Expansion Card Interface: PCI-E 1X PCB board color: Black Interface rate: 10Gbps Function: for Chi a Mining Main control chip: ASMedia1064 Size: approx 20cmx 15cmx5cm/7.87x5.9x1.97in System support: for WINDOWS LINUX NAS UBUNTU ESXI Note: Only Support for m.2 sata protocol ssd, not support for m.2 nvme ssd. There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Package includes: 1 PC x PCIE 1X to 4 Port for M.2 Sata SSD Expansion Card for Chi a Mining