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Appendix A. System memory speed
The Intel Xeon
®
or Intel Core
™
microprocessor families compatible with this ThinkStation computer feature
an integrated memory controller. The memory controller provides the microprocessor with direct access to
the system memory. Therefore, the system memory speed will be determined by the memory module type,
frequency, size (capacity), the number of memory modules installed, and the microprocessor model.
Notes:
• The actual system memory speed of the memory modules varies depending on the microprocessor
model. For example, your computer comes with 4800 MT/s memory modules, but the microprocessor
only supports up to 4000 MT/s memory modules. Then the system memory speed will be no faster
than 4000 MT/s.
• The microprocessor models supported in your computer might vary. For a list of supported
microprocessor models, contact the Lenovo Customer Support Center.
• The ECC memory modules are not supported on the computer models with Intel Core i5 or i7
microprocessors.
Refer to the following information about the system memory speed:
• Memory module types:
– DDR5 ECC 4800 SoDIMM
– DDR5 non-ECC 4800 SoDIMM
• Memory module operating voltage: 1.1 V
• Memory module frequency: 4800 MT/s
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