Other Add-In Components; Power Supply Unit - NEC Express5800/A2040d Configuration Manual

CONFIGURATION GUIDE

7 Other Add-in Components

7.1 Power Supply Unit

7.1.1 Number of Power Supply Unit
See the table below for the required number of Power Supply Unit per voltage/configuration/redundancy.
Voltage
200V
100V
NOTE:

When selecting Power Supply Unit, recommend to consider potential add-on of the optional products in
the future.

Redundancy can be selectable; no-redundancy, N+1 and 2N:
・
N+1: When one Power Supply Unit fails, the operation can continue.
・
2N: Configuring 2 power supply groups, each consisting of 1 or 2 power supply unit. When one
group fails, the operation can continue with another group. In this case, power supply is redundant
between PSU#1 and PSU#2, or PSU#3 and #4. Please configure power supply path appropriately.

Hot-plug supported. Can replace Power Supply Unit without stopping the system (under redundant
configuration securing enough power during replacement).
NEC Corporation
–
NEC Express5800/A2040d, A2020d, A2010d, A1040d
Power Supply
Model
Unit
A2040d 1000W
800W
A2020d 1000W
800W
A2010d 1000W
800W
A1040d 1000W
800W
A2040d 1000W
800W
A2020d 1000W
800W
A2010d 1000W
800W
A1040d 1000W
800W
# of
CPU
No-redundancy
2/3/4
2
3/4
2
2
1
1
1
2/3/4
1/2
3/4
2/3
4
2
3/4
2
2
1
1
1
2/3
4
1/2
3/4
Rev.2.0 – Oct. 2017
Number of Power Supply Unit
N+1
2 3
2 3
3 4
2 3
3 4
2 3
2 3
1 2
2 3
2 3
3 4
2 3
3 4
2 3
3 4
3 4
3 4
2 3
2 3
1 2
2 3
3 4
2 3
3 4
2N
4
4
Not available
4
Not available
4
4
2
4
4
Not available
4
Not available
4
Not available
Not available
Not available
4
4
2
4
Not available
4
Not available
44