Installing Or Replacing A Memory Module - Lenovo ThinkStation P700 Hardware Maintenance Manual

Installing or replacing a memory module

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
For ThinkStation P500:
Your computer has eight slots for installing or replacing DDR4 DIMMs that provide up to a maximum of 512
GB system memory. When installing or replacing a memory module, use the following guidelines:
• Use DDR4 ECC UDIMMs, DDR4 ECC RDIMMs, or DDR4 ECC LRDIMMs for your computer. Do not install
any combination of UDIMMs, RDIMMs, and LRDIMMs into the same computer.
• Use 4 GB DDR4 ECC UDIMMs in any combination up to a maximum of 32 GB.
• Use 4 GB, 8 GB, 16 GB, or 32 GB DDR4 ECC RDIMMs in any combination up to a maximum of 256 GB.
• Use 32 GB or 64 GB DDR4 ECC LRDIMMs in any combination up to a maximum of 512 GB.
• Always install DIMMs in the following order as illustrated:
Figure 112. Memory module installation order for ThinkStation P500
For ThinkStation P700:
Your computer has 12 slots for installing or replacing DDR4 DIMMs that provide up to a maximum of 768 GB
system memory. When installing or replacing a memory module, use the following guidelines:
• Use DDR4 ECC UDIMMs, DDR4 ECC RDIMMs, or DDR4 ECC LRDIMMs for your computer. Do not install
any combination of UDIMMs, RDIMMs, and LRDIMMs into the same computer.
• Use 4 GB DDR4 ECC UDIMMs in any combination up to a maximum of 48GB.
• Use 4 GB, 8 GB, 16 GB, or 32 GB DDR4 ECC RDIMMs in any combination up to a maximum of 384 GB.
• Use 32 GB or 64 GB DDR4 ECC LRDIMMs in any combination up to a maximum of 768 GB.
• If your computer has only one microprocessor installed, install memory modules only in the memory
slots adjacent to that microprocessor.
Note: Ensure that the microprocessor is installed into the microprocessor socket on the right side.
• If your computer has two microprocessors installed, install equal numbers of memory modules in both
sets of microprocessor DIMM slots for maximum performance.
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ThinkStation P500 and P700 Hardware Maintenance Manual