Recommended Memory Configuration - Cisco UCS C220 M3 User Manual

Recommended Memory Configuration

This section explains the recommended DIMM population order rules for the C220 M3 server.
All DIMMs must be DDR3 DIMMs.
■
Do not mix:
■
—
—
—
There are blue and black DIMM slots. Populate blue slots first.
■
When single- and dual-rank DIMMs are populated for 2DPC, always populate the dual-rank
■
DIMM in the blue DIMM slot and the single-rank DIMM in the black DIMM slot.
Many memory configurations are possible. For best results, follow
Table 27 Recommended Memory Configurations
Total
Blue Slots
System
Bank 1
Memory
(A1, B1,
Size
C1, D1)
4x4 GB
32 GB
2x8 GB
4x4 GB
64 GB
4x8 GB
1x32 GB
96 GB 4x8 GB
3x16 GB
4x8 GB
1x32 GB
128 GB 4x8 GB
4x16 GB
1x32 GB
Cisco UCS Cisco UCS C220 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
DIMMs with different sizes or clock rates in a bank
RDIMMs and LRDIMMs
ECC and non-ECC DIMMs
CPU 1 DIMMs
Black Slots
Bank 2
(A2, B2,
C2, D2)
—
—
4x4 GB
—
—
2x8 GB
—
4x4 GB
1x16 GB
4x8 GB
—
1x32GB
Table 27
CPU 2 DIMMs
Blue Slots Black Slots
Bank 1 Bank 2
(E1, F1, (E2, F2,
G1, H1) G2, H2)
4x4 GB —
2x8 GB —
4x4 GB 4x4 GB
4x8 GB —
1x32GB —
4x8 GB 2x8 GB
3x16 GB —
4x8 GB 4x4 GB
1x32 GB 1x16 GB
4x8 GB 4x8 GB
4x16 GB —
1x32 GB 1x32GB
SUPPLEMENTAL MATERIAL
when populating DIMMs.
Total
DIMM Max
DIMMs in
Operating
the
Speed
(MHz)
System
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1600
1
8
4
16
8
2
12
6
16
4
16
8
8
51