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Upgrade and Maintenance Manual
CX400 M4
Hard disk drives (HDD), solid state drives (SSD) and 2.5-inch PCIe-SSD
7.1.3
HDD/SSD backplane types
There are two different HDD/SSD backplanes.
HDD backplane 1-1 provides 4 SAS/SATA connectors (0, 1, 2, 3) and two
SAS/SATA/PCIe SFF SSD combi connectors (4, 5). This backplane is used with
CX2560 M4 and CX2570 M4 server nodes.
HDD backplane 1-2 provides 2 SATA connectors (1, 2). This backplane is used
with CX2550 M4 server nodes.
The following figures shows how the cages depending of the installed
backplanes can be equipped.
CX400 M4 equipped with CX2570 M4 server nodes
PSU 2
Node 3
Node 1
PSU 1
Server nodes and PSUs (rear view)
0
1
2
3
4
5
0
1
2
3
4
5
Node 1
Node 3
HDD/SSD cages and front panel (front view)
HDD backplane 1-1 (6x HDDs)
HDD backplane 1-2 (2x HDDs)