WEBJan 24, 2019 · The BladeCenter H Chassis 9 U rack drawer enclosure is designed to be installed in a 19 inch rack cabinet designed for 28 inch deep devices, such as the NetBAY42 ER, IBM S2 42U SR, IBM S2 25U SR, or NetBAY11. Detailed specifications: All specifications for the IBM eServer BladeCenter H.