ASUS ROG GA503RM-HQ007W RAM upgrade specifications
ASUS ROG Zephyrus G15 GA503RM-HQ007W memory upgrade specifications include one SO-DIMM slot for DDR5-SDRAM modules operating at 4800 MHz frequency. The laptop contains on-board memory combined with one upgradeable SO-DIMM slot, supporting maximum RAM capacity of 40 GB. Specifications detail compatible DDR5 memory upgrades for enhanced performance, with the SO-DIMM form factor enabling RAM expansion to reach the maximum supported capacity.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR5-SDRAM |
| Frequency | 4800 MHz |
| Maximum RAM | 40 GB |
| Voltage | 1.1V |
| Number of pins | 262-pin |
| Interface | PC5 |
| PC Speed Rating | PC5-4800 (PC5-38400) |
| Bandwidth | 38.4 GB/s |
| Laptop Release date | 28 November 2021 |
Additional Notes
- The ASUS ROG GA503RM-HQ007W features soldered memory that cannot be removed or replaced, limiting upgrade flexibility to the single accessible SO-DIMM slot.
- The 40 GB maximum capacity indicates 8 GB of permanently soldered RAM, leaving 32 GB as the highest capacity module compatible with the accessible slot.
- Asymmetric memory configurations disable dual-channel mode when the SO-DIMM capacity differs from the soldered amount, reducing memory bandwidth by approximately 50 percent.
- Installing a 32 GB module creates a 40 GB total with performance penalties, as only 16 GB operates in dual-channel while the remaining 24 GB runs in slower single-channel mode.
- DDR5-4800 represents the minimum validated speed, though modules rated at higher frequencies will downclock to match this specification when installed.
- SO-DIMM DDR5 modules require 262-pin configuration and 1.1V operating voltage, distinguishing them from older DDR4 variants that are physically incompatible.
- Memory upgrades preserve manufacturer warranty coverage as the SO-DIMM slot enables user-accessible installation without requiring internal component modifications.
- The single-slot design prevents future expansion beyond 40 GB total capacity regardless of technological advances in module density.
- Optimal performance requires matching the SO-DIMM module speed to 4800 MHz and capacity to 8 GB for symmetrical dual-channel operation across all installed memory.
- DDR5 timing specifications impact latency characteristics, with CL40 or CL46 representing typical values at 4800 MHz frequency for compatible modules.