Features: brand new and high quality Argon ONE M.2 Case-extended support for M.2 Sata SSDs allows you to maximize the true- potential speeds for Raspberry-Pi 4B. You will now be able to boot via an M.2 Sata- SSD for faster boot-time and larger storage capacity compared to the traditional microSD Card. M.2 Sata- SSD compatibility: Accepts any size of M.2 Sata- SSD with Key-B or Key-B&M. Not compatible with M.2 NVME storage drives. Built-in IR-Support:Programmable IR-support to the Raspberry-Pi with streamlined options-. Works out of the box- with the Argon ONE Remote. Active Cooling:Software Programmable 30mm FAN via the Argon ONE software; Passive Cooling:Aluminum-alloy top case- acts as a giant- heatsink connected to the CPU for Raspberry Pi 4 Magentic Removable Top & Access to GPIO:Extending the GPIO-pins to use the case- in multiple projects. And it specially has a magentic removable cover for the GPIO hole , so that you can close the GPIO hole Specifications: Model: Argon one m.2 Case- Material: Aluminum Alloy for: Raspberry Pi 4B Size:approx 106x95mm/4.17x3.74in SSD:128GB Sata- Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x Argon ONE M.2 Box 1 x Instruction Manual 1 x Video/-Audio PCB- Extender 1 x GPIO-Fan PCB- HAT 1 x Silicone- Thermal Pads 1 x 128GB M.2 Sata- SSD 1 x Screws Driver ( not inlcude Raspberry-Pi)