ACER Nitro AN515-55-51JT RAM upgrade specifications

ACER AN515-55-51JT ACER AN515-55-51JT ACER AN515-55-51JT ACER AN515-55-51JT

The Acer Nitro 5 Series AN515-55-51JT laptop features two SO-DIMM memory slots supporting DDR4-SDRAM upgrade modules. Compatible RAM specifications include DDR4 memory operating at 2933 MHz frequency. Maximum supported memory capacity reaches 32 GB total across both slots. Upgrade options accommodate standard SO-DIMM form factor modules, allowing users to expand memory configurations from factory specifications. The laptop's memory architecture supports incremental upgrades by replacing or supplementing existing DDR4-SDRAM components within slot availability constraints.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2933 MHz
Maximum RAM32 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2933 (PC4-23464)
Bandwidth23.5 GB/s
Laptop Release date25 February 2021

Additional Notes

  • The ACER Nitro AN515-55-51JT motherboard chipset enforces a 32 GB ceiling through its memory controller architecture, preventing recognition of higher-capacity modules even if physically compatible.
  • DDR4-2933 represents the official JEDEC specification, though the memory controller may accept higher-frequency modules by downclocking them to 2933 MHz without performance gains.
  • Dual-channel operation requires matched pairs in both slots, as asymmetric configurations force single-channel mode and reduce memory bandwidth by approximately 50 percent.
  • SO-DIMM modules differ physically from desktop DIMM standards through reduced pin count and shorter PCB length, making standard desktop memory mechanically incompatible.
  • CAS latency timing becomes more critical at 2933 MHz than at lower speeds, with CL21 modules introducing roughly 3 nanoseconds more delay than CL19 variants at identical frequencies.
  • Voltage specifications must remain at 1.2V for DDR4 compatibility, as higher-voltage gaming-oriented modules may cause POST failures or system instability despite matching other parameters.
  • Mixing module capacities across the 2 slots technically functions but disables dual-channel for the non-overlapping capacity portion, creating a flex-mode configuration with uneven bandwidth distribution.
  • ECC SO-DIMM modules contain additional chips for error correction but remain incompatible with consumer-grade memory controllers that lack ECC validation circuitry.
  • User-accessible RAM slots in this chassis typically preserve manufacturer warranty coverage, unlike soldered memory designs where any modification voids service agreements.
  • Thermal considerations become relevant beyond 16 GB total capacity, as populated slots generate additional heat in confined laptop interiors without dedicated memory cooling solutions.