For system builders old and new the vsk3000e is the simple reliable and cost effective solution for your home or office the vsk3000e is designed with durable galvanized steel construction and is intel thermally advantaged chassis tac 20 compliant durable sgcc steel frame for durability expansion 4 expansion slots hdd bays 35quot drive bays and a 25quot ssd bay cooling 2 x 92mm fan fitments solid metal construction high quality sgcc material