Brand new and high quality Features: Comes with accessories, it is simple and easy for us to install and remove it. NVME quad-slot design, stable and durable, fast speed and transmission. Provides integrated high-speed signal enhancement technology. Innovative design accommodates four NVMEs on both sides of the chassis with medium height and can support simultaneous operation. Silicone thermal pad can provide good heat dissipation effect to protect your device well. Thick PCB, double drag shield, and PCIE x16 interface protect your important data. Four hard drives have LED work lights, flashing during reading and writing. Widely used in data acquisition, 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: approx. 170x68mm / 6.69x2.68in Type: With Shell, Bare Card Color: Black Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. Make sure you don't mind before bidding. 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