Install A Memory Module - Lenovo ThinkSystem ST250 V2 Maintenance Manual

Figure 82. Memory module slots on the system board
This server comes with four memory module slots.
For a list of supported memory module options, see:
Before installing a memory module, ensure that all memory modules to be installed must be the same type.
This server supports the following type of memory modules:
• Industry-standard double-data-rate 4 (DDR4) UDIMM with 3200MHz error-correcting code (ECC)
technology
Your server supports the "Independent mode" on page 150.
Independent mode
Independent mode provides high performance memory capability. You can populate all channels with no
matching requirements. Individual channels can run at different DIMM timings, but all channels must run at
the same interface frequency.
The following table shows the memory module installation order.
Table 24. Memory module installation order
Number of Memory Modules
1
2
4

Install a memory module

Follow instructions in this section to install a memory module.
ThinkSystem ST250 V2 Maintenance Manual
150
https://static.lenovo.com/us/en/serverproven/index.shtml
Memory Module Slot Number
1 2
X
X X
3 4
X
X
X X