Class 009: Computer hardware and peripherals; Network servers; Computer network adapters, switches, routers and hubs; LAN (local area network) hardware; Computer network-attached storage (NAS) hardware; Power supplies; Computer peripheral equipment; Mounting racks for computer hardware; Peripheral component interface (PCI) hardware; Class 040: Custom manufacture of computer hardware and peripherals, Power Supply Units (PSUs), Computer network adapters, switches, routers, hubs, and network-attached storage (NAS) hardware; Class 042: Design and development of computer hardware; Custom design of prototypes; Product design and development in the field of computer hardware, firmware, and peripherals, Printed circuit boards (PCBs), Power Supply Units (PSUs), Computer network adapters, switches, routers, hubs, and network-attached storage (NAS) hardware; Custom design and engineering of computer hardware firmware, and peripherals, Printed circuit boards (PCBs), Power Supply Units (PSUs), Computer network adapters, switches, routers, hubs, and network-attached storage (NAS) hardware; Design and testing of new products for others; Product testing; Testing of computer hardware
