MSI Gaming GS66 11UE-075UK Stealth RAM upgrade specifications

The MSI GS66 11UE-075UK Stealth gaming laptop features DDR4-SDRAM memory upgrades with two SO-DIMM slots, supporting a maximum RAM capacity of 64 GB. The memory specifications are compatible with DDR4 modules operating at 3200 MHz frequency. Users can upgrade the existing memory configuration by installing compatible SO-DIMM form factor modules in the available slots to enhance system performance and multitasking capabilities on the GS series Stealth model.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency3200 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-3200 (PC4-25600)
Bandwidth25.6 GB/s
Laptop Release date21 October 2021

Additional Notes

  • Dual channel memory architecture requires installing modules in pairs of equal capacity to achieve maximum data bus bandwidth.
  • The MSI GS66 11UE-075UK Stealth utilizes a thermal management system that covers the internal components, necessitating careful removal of the bottom chassis panel and potentially the cooling assembly to access the memory slots.
  • System stability depends on using non-ECC unbuffered modules because the integrated memory controller does not support error-correcting code functions.
  • Installing 64 GB of memory involves replacing both existing modules since the motherboard lacks additional vacant slots for expansion.
  • Higher frequency RAM modules will automatically downclock to 3200 MHz due to hardware limitations of the chipset and processor architecture.
  • Latency performance relies on the JEDEC profile of the replacement sticks because most mobile BIOS environments lack XMP toggles for manual timing adjustments.
  • Physical clearance within the slim chassis restricts the use of memory modules equipped with thick integrated heat spreaders.