ACER Extensa EX215-31-C99B RAM upgrade specifications

ACER EX215-31-C99B ACER EX215-31-C99B ACER EX215-31-C99B ACER EX215-31-C99B ACER EX215-31-C99B

The ACER Extensa 15 Series model EX215-31-C99B features DDR4-SDRAM memory upgrade specifications. The laptop contains one SO-DIMM slot for RAM expansion, with a maximum capacity of 8 GB. The memory upgrade is compatible with DDR4-SDRAM modules operating at 2400 MHz frequency. The system utilizes a combination of on-board memory and removable SO-DIMM modules, allowing users to upgrade the existing memory configuration up to the specified maximum capacity for enhanced multitasking performance.

Memory Upgrade Specifications

SpecificationValue
Memory slots1x SO-DIMM
Form factorOn-board + SO-DIMM
Memory typeDDR4-SDRAM
Frequency2400 MHz
Maximum RAM8 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2400 (PC4-19200)
Bandwidth19.2 GB/s
Laptop Release date10 April 2021

Additional Notes

  • The Acer Extensa EX215-31-C99B contains soldered memory, meaning a portion of the 8 GB maximum capacity is permanently integrated into the motherboard and cannot be removed or replaced.
  • Only 1 SO-DIMM slot is available for upgrades, restricting expansion to a single additional module and eliminating any redundancy or dual-channel configuration benefits.
  • DDR4-2400 MHz represents an older memory standard; replacement modules meeting this exact frequency specification may require sourcing from legacy inventory, as current retail channels prioritize DDR4-3200 and DDR5 products.
  • The 8 GB aggregate ceiling creates a hard performance limit for multitasking and memory-intensive applications; no upgrade path exists beyond this constraint.
  • Installing an incompatible frequency (3200 MHz or higher) will trigger automatic downclocking to 2400 MHz, negating any speed advantage and wasting hardware capability.
  • SO-DIMM modules are the only compatible form factor; standard DIMM or proprietary memory solutions will not physically fit the single expansion slot.
  • Warranty coverage for memory upgrades depends on installation method; upgrades performed by authorized service centers retain full coverage, whereas self-installation may void memory-related claims depending on regional terms.