HP ProLiant SL4540 G8 node chassis component for multi-node server configurations. Part number 663600-B23 is a hardware component, not a maintenance service contract as the title suggests.
Specification
Node Chassis for SL4540 G8
Supports 3 server nodes
Supports up to 45 x 3.5" internal hard drive bays
3 x 10G IO Modules included
5 fan modules
4 x 750W power supplies
ProLiant Gen8 series
