MSI Summit B15 A11M-058 RAM upgrade specifications

MSI B15 A11M-058 MSI B15 A11M-058 MSI B15 A11M-058 MSI B15 A11M-058 MSI B15 A11M-058

MSI B15 A11M-058 laptop features two SO-DIMM slots for DDR4-SDRAM memory upgrades. The Summit B15 series supports maximum memory capacity of 64 GB total. Compatible RAM operates at 3200 MHz frequency. Each SO-DIMM slot accepts modules up to 32 GB, enabling users to expand from factory configurations to the maximum specifications. The B15 A11M-058 model accepts standard DDR4-SDRAM upgrades matching the SO-DIMM form factor and supported frequency range.

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 date22 September 2020

Additional Notes

  • The MSI Summit B15 A11M-058 supports dual-channel memory architecture, enabling theoretical bandwidth of approximately 51.2 GB/s at rated frequency, which becomes a performance ceiling for bandwidth-intensive applications when both slots are populated equally.
  • DDR4-3200 compatibility requires verification of SPD programming on aftermarket modules, as some older-generation SO-DIMM sticks may default to lower frequencies and require manual BIOS adjustment to achieve rated speeds without stability degradation.
  • The 64 GB maximum capacity represents a 2x multiplier over typical factory configurations, indicating significant thermal headroom exists within the system design since memory modules generate minimal heat relative to processor thermal output.
  • SO-DIMM physical constraints impose a 30.35 mm maximum module height limitation; standard-height memory will fit, but high-profile heatspreader designs common in enthusiast DDR4 kits may contact internal shielding or create clearance issues during installation.
  • Mixing memory speeds within 2 slots triggers downclocking of the entire subsystem to the slowest module's frequency, effectively throttling combined performance if asymmetric module specifications are installed.
  • Factory warranty coverage typically remains valid when replacing memory with identical specifications (DDR4 SO-DIMM, 3200 MHz compliance), but mixing with non-OEM or overclocked modules may trigger warranty exclusions depending on MSI's service policy documentation.
  • Single-slot population at 32 GB creates single-channel latency penalties of 5-10 nanoseconds compared to dual-channel operation, affecting CPU cache miss penalties in memory-bound workloads.