MSI Gaming GL75 10SDK-285AU Leopard RAM upgrade specifications

MSI GL75 10SDK-285AU Leopard MSI GL75 10SDK-285AU Leopard MSI GL75 10SDK-285AU Leopard MSI GL75 10SDK-285AU Leopard MSI GL75 10SDK-285AU Leopard

The MSI GL75 10SDK-285AU Leopard gaming laptop features two SO-DIMM memory slots supporting DDR4-SDRAM upgrade specifications. Compatible memory modules operate at 2666 MHz frequency with maximum RAM capacity of 64 GB total. The GL series gaming model accommodates standard SO-DIMM form factor memory upgrades, enabling users to expand system RAM from factory-configured specifications up to the 64 GB maximum supported capacity.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date25 November 2020

Additional Notes

  • The MSI GL75 10SDK-285AU Leopard supports dual-channel memory architecture through its 2 SO-DIMM slots, enabling up to double the theoretical bandwidth compared to single-channel configurations when matched modules are installed.
  • DDR4-2666 operates at a CAS latency typically between CL15 and CL19, creating a latency window of approximately 11 to 14 nanoseconds depending on module specifications.
  • The 64 GB maximum capacity requires 32 GB modules in both slots, which may limit availability to specific manufacturers compared to more common 16 GB or 8 GB densities.
  • SO-DIMM modules physically measure 67.6 mm in length compared to standard DIMM's 133.35 mm, making desktop memory incompatible regardless of electrical specifications.
  • Installing mismatched module capacities will still enable dual-channel operation on the lower capacity amount, with the excess operating in single-channel mode and reducing overall memory bandwidth efficiency.
  • DDR4-2666 modules rated at higher speeds such as 3200 MHz will downclock to the chipset's 2666 MHz maximum, making premium-priced high-frequency modules economically inefficient for this system.
  • The Intel 10th generation platform underlying this model does not support DDR4-2933 or DDR4-3200 speeds in mobile configurations, establishing 2666 MHz as the architectural ceiling.
  • Voltage specifications for DDR4 SO-DIMM modules standardize at 1.2V, though some XMP-enabled modules may default to 1.35V and require BIOS adjustments to ensure stability.
  • Mixing modules from different manufacturers or production batches increases the probability of timing incompatibilities, potentially forcing the memory controller to further reduce speeds or loosen timings.
  • Access to SO-DIMM slots typically requires bottom panel removal on this chassis design, which may void warranty seals depending on regional service policies.
  • ECC SO-DIMM modules, while physically compatible, remain unsupported by consumer-grade mobile chipsets and will either fail to POST or operate with error correction disabled.
  • Single-rank versus dual-rank module architecture affects interleaving efficiency, with dual-rank configurations sometimes providing 5 to 10 percent performance improvements in memory-intensive applications despite identical clock speeds.