Contents 
TECHNICAL SPECIFICATION ........................................................................................ 4 
NEC Express5800/A2040c (including COPT supported model) ...................................................... 4 
NEC Express5800/A2020c ................................................................................................................... 5 
NEC Express5800/A2010c ................................................................................................................... 6 
NEC Express5800/A1040c ................................................................................................................... 7 
EXTERNAL VIEWS ......................................................................................................... 8 
Front and Rear Views ........................................................................................................................... 8 
Dimensions (mm) ............................................................................................................................... 10 
A2040c/A2020c/A2010c ................................................................................................................ 10 
A1040c .......................................................................................................................................... 10 
CONFIGURATION DIAGRAM ....................................................................................... 11 
A2040c ..................................................................................................................................................11 
A2020c ..................................................................................................................................................11 
A2010c ................................................................................................................................................. 12 
A1040c ................................................................................................................................................. 12 
Expansion Slot .................................................................................................................................... 13 
SERVER CONFIGURATION ......................................................................................... 14 
1  Base Models ................................................................................................................................ 14 
1.1  A2040c .............................................................................................................................. 14 
1.2  A2020c .............................................................................................................................. 15 
1.3  A2010c .............................................................................................................................. 16 
1.4  A1040c .............................................................................................................................. 17 
1.5  COPT ................................................................................................................................ 18 
2  CPU ............................................................................................................................................... 19 
3  Memory ......................................................................................................................................... 21 
3.1  Memory Riser Card ........................................................................................................... 21 
3.2  Memory Configuration ....................................................................................................... 22 
4  Internal Disk Drives ..................................................................................................................... 28 
4.1  RAID Configuration ........................................................................................................... 28 
4.2  Internal Drive Configuration .............................................................................................. 30 
5  Optical Drive ................................................................................................................................ 35 
6  PCI Card ....................................................................................................................................... 36 
6.1  Network Interface Controller ............................................................................................. 36 
6.2  PCIe SSD Adapter ............................................................................................................. 39 
6.3  External Storage Controller ............................................................................................... 40 
7  Other Add-in Components ......................................................................................................... 42 
7.1  Power Supply Unit ............................................................................................................. 42 
7.2  Redundant Fan Kit ............................................................................................................ 43 
7.3  Trusted Platform Module Kit .............................................................................................. 43 
7.4  Internal Flash Memory....................................................................................................... 43 
8  Add-on Components ................................................................................................................... 44 
8.1  17-inch LCD Console Unit ................................................................................................. 44 
8.2  KVM Switch ....................................................................................................................... 45 
8.3  Front Bezel ........................................................................................................................ 46 
8.4  Cable Arm .......................................................................................................................... 47 
8.5  Management Console Specifications ................................................................................ 49