http://www.supermicro.com/eCatalog/SuperBlade/index.html Enclosure SBE-710E Enclosure SBE-710E Processor Blade Up to 10 hot-plug processor blades Module Support Supports both Intel and AMD based blades LED Power LED, Fault LED InfiniBand Switch Supports one hot-plug DDR IB switch Gigabit Ethernet Switch / Pass-Through Module Supports up to two hot-plug Gigabit Ethernet switches / Pass-Through Modules Management Module Up to two hot-plug management modules providing remote KVM and IPMI 2.0 functionalities One management module comes standard with each enclosure Power Supply Up to four hot-swap 1400W / 1620W / 2000W power supplies, N+1 redundant Cooling Design Up to 16 cooling fans Dimensions (HxWxD) 12.1" x 18.5" x 29" Available Models SBE-710E-R75 - Enclosure chassis with four 2500W power supplies SBE-710E-D50 - Enclosure chassis with two 2500W power supplies SBE-710E-R48 - Enclosure chassis with four 1620W power supplies SBE-710E-D32 - Enclosure chassis with two 1620W power supplies