This is a brand new, unused 3U rackmount server chassis. *Shipping will be suspended during the year-end and New Year holidays (12/29-1/3). Please be aware if you are in a hurry. It has a compact design with a depth of 9.4 inches and supports dual mini-ITX motherboards. Up to two Flex ATX power supply units can be installed, allowing for flexible system construction. The front is equipped with three 120mm fans and an air filter, providing excellent cooling performance. It also has two USB 3.0 ports and two USB 2.0 ports for high-speed communication. We recommend using fast M.2 or PCIe NVMe for storage. It supports standard 19-inch rack mounting and is ideal for professional data center equipment. Please feel free to comment if you have any questions. We will respond carefully. ■Regarding Price Reduction We welcome price negotiations, but for a smooth transaction, please specify a concrete amount when commenting, such as "I would like to purchase for ¥〇〇." ■Regarding Accessories and Proof of Purchase As this is a private flea market transaction, receipts and proof of purchase are not included. Therefore, we are selling it at a lower price than the list price. Please understand. ■Regarding Returns To prevent product substitution issues, returns are generally not accepted. If you have any concerns about the condition, please be sure to ask questions before purchasing.