MSI Delta A5EFK-091FR RAM upgrade specifications

MSI Delta 15 A5EFK-091FR laptop features two SO-DIMM slots supporting DDR4-SDRAM memory upgrades. Compatible RAM specifications include DDR4 operating at 3200 MHz frequency. Maximum memory capacity reaches 64 GB total when both upgrade slots are populated with compatible modules. Current memory configuration and available capacity depend on factory-installed RAM. Upgrades require compatible DDR4-SDRAM SO-DIMM modules meeting specifications for Delta 15 series compatibility.

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 date10 February 2022

Additional Notes

  • The MSI Delta A5EFK-091FR contains 2 physical memory slots, making simultaneous dual-channel operation achievable only with matched pair installation; single-stick configurations will operate in single-channel mode, reducing effective bandwidth by approximately 50%.
  • SO-DIMM form factor restricts upgrades to laptop-specific memory modules; desktop DDR4 DIMMs are physically incompatible and will not seat in the available slots regardless of electrical compatibility.
  • The 64 GB maximum capacity represents the practical ceiling; this limitation stems from SO-DIMM availability rather than chipset constraints, as 32 GB individual modules remain uncommon in the laptop memory market.
  • Operating at 3200 MHz requires memory modules rated for this frequency or higher; lower-speed modules will function but will downclock to match the installed memory, negating performance gains from partial upgrades.
  • Filling both slots with maximum-capacity modules generates approximately 15-20 watts of additional heat dissipation compared to single-slot configurations; thermal design of the chassis may require verification before upgrading to 64 GB capacity.
  • DDR4 memory technology reaches end-of-life support status in 2025; future driver and BIOS updates for this platform will diminish in frequency, making DDR4-based upgrades a static endpoint rather than a stepping stone to newer standards.
  • Warranty coverage for RAM replacement typically permits user installation on this model; however, verification against the specific warranty terms remains necessary, as some regional variants may restrict DIY memory modifications.