Features: 4-port SATA3.0 PCI-E Expansion Card, ASM1064 chip with high-speed transfer and stable performance, compliant with M.2 M Key standard. Realize PCIExpress3.0 2-lane bandwidth, with 4 SATA3.0 ports extending from PC motherboard to M.2 Key M slot. PCIE3.0 Superior performance, with PCIe3.0 providing stable and fast transfer speed. Plug and play, no additional software installation or settings required. With indicator lamp: Lights up: Connected; Does not light up: Not connected; Blinking light: Read or write mode. Specifications: Product Name: 4-port SATA3.0 NVME Expansion Card Transfer Protocol: PCIe3.0 Chip: ASM1064 Color: Black Size: Approximately 80x22mm/3.15x0.87in Input Interface: M.2 PCIe NVMe Output Interface: 4 ports SATA3.0 Power Supply: No additional power supply required Bandwidth: 16Gbps Compatible Slot: M.2 PCIe NVMe M key Material: ABS + metal Function: With heat sink Supported System: WindowsXP/2003/Win7/Win8/Win10 (32/64bit) and more. Note: Due to different screen types and lighting effects, the actual color of the item may differ slightly from the color shown in the images. Thank you! Please allow 1-2 cm measurement tolerance due to manual measurement. Packaging Includes: 1 x 4-port SATA3.0 NVME Expansion Card