LENOVO ThinkPad P50 RAM upgrade specifications

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The Lenovo ThinkPad P50 workstation supports DDR4-SDRAM memory upgrades through four SO-DIMM slots. Maximum memory capacity reaches 64 GB total. Compatible memory operates at 2133 MHz frequency. Upgrade specifications indicate SO-DIMM form factor modules are required for this professional notebook. Memory expansion provides enhanced multitasking and application performance for the P50 platform.

Memory Upgrade Specifications

SpecificationValue
Memory slots4x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2133 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2133 (PC4-17064)
Bandwidth17.1 GB/s
Laptop Release date03 August 2017

Additional Notes

  • Access to the primary memory slots requires removal of the keyboard assembly, while secondary slots are accessible via the bottom base cover.
  • Utilizing all 4 slots enables a quad-channel memory configuration which scales bandwidth for memory-intensive workstation workloads.
  • Mixing ECC and non-ECC modules results in a system hang or a failure to post because the memory controller cannot bridge the two technologies simultaneously.
  • Installing modules with frequencies higher than 2133 MHz causes the system to down-clock the RAM to match the bus speed limitations of the Skylake processor architecture.
  • Achieving the 64 GB maximum capacity necessitates 16 GB modules in every slot as the motherboard does not support 32 GB single-stick dense modules.
  • Thermal constraints within the chassis suggest that memory modules with large integrated heat spreaders will interfere with the physical seating of the keyboard or base plate.
  • The platform requires 1.2 volt modules to maintain stability as higher voltage overclocking RAM may trigger over-current protection or cause BIOS instability.
  • Occupying all 4 slots increases the load on the integrated memory controller which might lead to slightly higher power consumption and heat generation during heavy rendering tasks.