CONFIGURATION GUIDE – NEC Express5800/A2040b, A2020b, A2010b, A1040bNEC Corporation Revision 7.0 – December 2014 13Expansion SlotLegendSlot #1 PCI Express 3.0 (x8 lane, x8 socket)Slot #2 PCI Express 3.0 (x8 lane, x8 socket)Slot #3 PCI Express 3.0 (x8 lane, x8 socket)Slot #4 PCI Express 3.0 (x8 lane, x8 socket)Slot #5 PCI Express 3.0 (x8 lane, x8 socket)Slot #6 PCI Express 3.0 (x8 lane, x8 socket)Slot #7 PCI Express 3.0 (x8 lane, x8 socket)Slot #8 PCI Express 3.0 (x4 lane, x8 socket)Slot #9 PCI Express 3.0 (x4 lane, x8 socket)Slot #10 PCI Express 3.0 (x8 lane, x8 socket)Slot #11 PCI Express 3.0 (x8 lane, x8 socket)Slot #12 PCI Express 3.0 (x8 lane, x8 socket)Slot #13 PCI Express 3.0 (x8 lane, x8 socket)Slot #14 PCI Express 3.0 (x8 lane, x8 socket)Slot #15 PCI Express 3.0 (x8 lane, x8 socket)Slot #16 PCI Express 3.0 (x8 lane, x8 socket)NOTE: Foa all PCI slot: Low Profile, 167.6mm in length PCI slot performance: x4 lane for Slot #8 and #9, x8 lane for the others Hot Plug supported: Slot #2 to #9 (8 slots), except for A1040b For A2040b: Slot#1 to #9 are available in case of 2CPU configuration, Slot#1 to #13 are available in caseof 3CPU configuration and Slot#1 to #16 are available in case of 4CPU configuration. For A2020b: Slot#1 to #16 are available For A2010b: Slot#1 to #9 are available For A1040b: Slot#1 and Slot#3 to #5 are available in case of 1CPU configuration, Slot#1 to #9 areavailable in case of 2CPU configuration, Slot#1 to #13 are available in case of 3CPU configuration andSlot#1 to #16 are available in case of 4CPU configurationSlot #1Slot #2Slot #3Slot #4Slot #5Slot #6Slot #7Slot #8Slot #9Slot #10Slot #11Slot #12Slot #13Slot #14Slot #15Slot #16