brand new and high quality Features: Comes with the accessories, it is simple and easy for us to install and remove it. NVME four slot design, stable and durable, fast speed and transmission. Provides integrated high-speed signal enhancement technology. Innovative design can accommodate four NVMEs on both sides of the mid-height chassis, and can support simultaneous operation. The siliocne thermal pad can provide good heat dissipation effect in order to well protect your device. Thick PCB, dual pull baffle and PCIE x16 interface,protect your important data. Four hard drives have LED work lights,flashing when reading and writing. Widely used in data collection, for image processing, video processing, cloud computing and other fields. Expansion Card only, other accessories demo in the picture is not included! Specification: Material: Aluminum alloy Dimensions: app.170x68mm / 6.69x2.68in Type: With for shell, Bare board Color: Black Quantity: 1 Pc 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: 1 x Expansion Card