ACER Nitro AN515-55-51JT RAM upgrade specifications
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
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2933 MHz |
| Maximum RAM | 32 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2933 (PC4-23464) |
| Bandwidth | 23.5 GB/s |
| Laptop Release date | 25 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.