ACER Predator PH317-51-58Y2 RAM upgrade specifications
Acer Predator Helios 300 series model PH317-51-58Y2 features DDR4-SDRAM memory upgrade capabilities with 2x SO-DIMM slots supporting maximum RAM capacity of 32 GB. The laptop's memory specifications utilize SO-DIMM form factor modules operating at 2400 MHz frequency. Compatible RAM upgrades for this model must match DDR4-SDRAM specifications to ensure proper system performance and compatibility with existing hardware specifications.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2400 MHz |
| Maximum RAM | 32 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2400 (PC4-19200) |
| Bandwidth | 19.2 GB/s |
| Laptop Release date | 01 August 2017 |
Additional Notes
- The 2x SO-DIMM slot configuration permits symmetric dual-channel operation only when both slots are populated with matched capacity modules, which maximizes memory bandwidth delivery to the processor. Asymmetric population reduces bandwidth efficiency.
- DDR4-2400 frequency operates below contemporary DDR4 standards (2666, 2933, 3200 MHz), which constrains bandwidth to approximately 19.2 GB/s per channel. This creates potential bottlenecks in memory-intensive workloads relative to newer platforms with higher-frequency JEDEC specifications.
- SO-DIMM form factor restricts upgrade options to laptop-grade modules only. Desktop DDR4 DIMM modules are physically incompatible and will not install in the available slots.
- The 32 GB maximum capacity ceiling is reached with 2x16 GB modules. Single-module configurations (e.g., 1x32 GB modules) do not exist in the SO-DIMM market, making the 32 GB limit architecturally determined by the 2-slot design.
- Warranty preservation typically requires modules from Acer's approved vendor list or those meeting JEDEC DDR4-2400 specifications. Third-party modules rated for higher frequencies may operate at reduced specifications but should be verified for compatibility prior to installation to avoid voiding coverage.
- Memory latency characteristics of DDR4-2400 (typically 17-18 CAS cycles) are higher than DDR4-3200 modules (typically 16-18 CAS cycles), reducing per-cycle instruction throughput in CPU-bound scenarios despite identical clock cycle duration.