This HP EliteDesk 800 G2 DM mini micro tiny PC case, part number 811461-001, is an excellent choice for those looking for a small form factor desktop. It is an authentic HP case that is perfect for building your own custom machine or upgrading an existing system. The case is designed to accommodate a Tiny form factor motherboard and has space for a slim optical drive and a 2.5-inch hard disk drive or solid-state drive. It has a sleek, professional look that will blend in well in any environment. This case is a must-have for anyone seeking a high-quality and compact desktop solution.