ASUS ROG GX551QS-HB013T RAM upgrade specifications
The ASUS ROG Zephyrus Duo 15 SE model GX551QS-HB013T features DDR4-SDRAM memory configuration with one SO-DIMM slot available for upgrade. The laptop supports maximum RAM capacity of 48 GB through the compatible SO-DIMM slot, operating at 3200 MHz frequency. The memory upgrade specifications include on-board memory combined with one expandable SO-DIMM slot, providing upgrade capabilities for users requiring enhanced memory capacity.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 3200 MHz |
| Maximum RAM | 48 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-3200 (PC4-25600) |
| Bandwidth | 25.6 GB/s |
| Laptop Release date | 13 January 2021 |
Additional Notes
- The ASUS ROG GX551QS-HB013T features soldered memory alongside the SO-DIMM slot, meaning the base capacity cannot be removed or replaced during upgrades.
- A single accessible SO-DIMM slot limits expansion to adding one module rather than replacing a pair, restricting dual-channel configuration optimization.
- The 48 GB maximum capacity indicates 16 GB is permanently soldered to the motherboard, leaving 32 GB as the highest installable SO-DIMM module.
- DDR4-3200 operation requires compatible modules rated at exactly 3200 MHz or higher with JEDEC fallback, as mismatched speeds will downclock the entire memory subsystem.
- SO-DIMM form factor necessitates laptop-specific modules, which carry different voltage tolerances and physical dimensions compared to desktop DIMM standards.
- Mixing the soldered memory with an aftermarket SO-DIMM of different latency timings may force the system to adopt the slowest common specifications.
- The onboard plus SO-DIMM configuration typically routes memory channels asymmetrically, potentially affecting bandwidth distribution between soldered and socketed components.
- Accessing the single SO-DIMM slot may require bottom panel removal, which could void warranty seals depending on regional service policies.
- DDR4 voltage standards at 1.2V apply, meaning modules exceeding this specification may cause stability issues or prevent POST completion.
- The 3200 MHz frequency represents the maximum rated speed, requiring BIOS support and CPU memory controller compatibility to avoid automatic downclocking to 2933 MHz or lower.