MSI Workstation WT75 9SL-086IT RAM upgrade specifications

MSI WT75 9SL-086IT MSI WT75 9SL-086IT MSI WT75 9SL-086IT MSI WT75 9SL-086IT MSI WT75 9SL-086IT

MSI WT75 9SL-086IT workstation memory upgrade specifications indicate DDR4-SDRAM compatibility with 2x SO-DIMM slots. The system supports maximum RAM capacity of 64 GB at 2666 MHz frequency. Compatible memory modules utilize SO-DIMM form factor for this workstation series. Upgrade options allow replacement or addition of memory modules within specified slot configuration and frequency parameters.

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 date27 August 2019

Additional Notes

  • The 2666 MHz frequency specification indicates this workstation operates at JEDEC standard DDR4 speeds rather than overclocked XMP profiles, which aligns with Intel mobile chipset specifications for ninth-generation Core processors.
  • Desktop-sized DIMM modules are physically incompatible with this configuration, as the SO-DIMM form factor measures 67.6 mm in length compared to standard DIMM's 133.35 mm.
  • The 64 GB ceiling represents a 32 GB per slot limitation, requiring matched density modules to achieve stated capacity without triggering asymmetric channel mode.
  • Populating both slots enables dual-channel operation, delivering 42.6 GB/s theoretical bandwidth compared to 21.3 GB/s in single-channel configuration.
  • Mixing modules with different CAS latencies forces the memory controller to operate all installed RAM at the slowest timing specification present in the configuration.
  • The DDR4-SDRAM architecture operates at 1.2 volts nominal, while DDR3 modules at 1.5 volts are electrically incompatible despite potential physical insertion in the slot.
  • This MSI WT75 9SL-086IT implementation lacks support for ECC unbuffered SO-DIMMs, as the consumer-oriented chipset does not provide error correction functionality.
  • Installing higher-frequency modules rated at 3200 MHz or above results in automatic downclocking to the 2666 MHz controller specification without performance benefit.
  • Memory replacement typically requires bottom panel removal on this chassis architecture, which maintains manufacturer warranty coverage when performed without chassis damage.
  • Single-rank versus dual-rank module topology affects memory interleaving efficiency, with dual-rank configurations potentially offering marginal performance improvements in bandwidth-intensive workloads.