The TMS4710 is a two-in-one 4U rackmount military computer with a specific SHB and backplane base configuration consisting of two, BXTS7059 SHBs and BPC8114L backplanes certified to MIL-STD-810G environmental and MIL-STD-461F electrical emissions standards. Other “designed-to-meet” TMS4710 SHB and backplane configurations are available with alternative single or dual-processor SHB and shoebox backplane options offering extended PCI Express and PCI-X/PCI option card support. Flexible data storage configurations via one internal and one front access drive bays are available. Other system features include rear access, independent power supplies and support for MIL-STD-1553B ARINC 429 external I/O connections.