MSI Gaming GS65 Stealth-420 RAM upgrade specifications

MSI GS65 Stealth-420 MSI GS65 Stealth-420 MSI GS65 Stealth-420 MSI GS65 Stealth-420 MSI GS65 Stealth-420

The MSI GS65 Stealth-420, part of the Gaming GS series, supports DDR4-SDRAM memory upgrades. This laptop contains 2x SO-DIMM slots for RAM expansion, accommodating a maximum capacity of 64 GB total memory. Compatible upgrades operate at 2666 MHz frequency specifications. Memory modules must utilize the SO-DIMM form factor for compatibility with this gaming laptop model.

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 date29 March 2019

Additional Notes

  • The internal motherboard layout of the MSI GS65 Stealth-420 utilizes a flipped design where the memory slots face the keyboard side rather than the bottom panel.
  • Accessing the SO-DIMM slots requires a complete removal of the mainboard and disconnection of several ribbon cables from the chassis.
  • Memory modules exceeding the 2666 MHz rated frequency will automatically downclock to match the hardware controller limitations of the mobile chipset.
  • Utilizing 2 matching memory modules is necessary to enable dual channel mode and maximize the effective memory bandwidth for the integrated bus.
  • Installation of high capacity 32 GB modules to reach the 64 GB limit increases the thermal density within the thin chassis profile during heavy workloads.
  • Physical clearance within the motherboard housing restricts the use of memory modules equipped with thick aftermarket heat spreaders.
  • Replacing the factory memory hardware may necessitate a CMOS reset to reinitialize the BIOS timing parameters for stable operations.
  • The use of 1.2V low voltage modules ensures compatibility with the power delivery system of the laptop mainboard.