ASUS Vivobook X540UA-GQ725T RAM upgrade specifications
ASUS Vivobook 15 Series X540UA-GQ725T laptop supports DDR4-SDRAM memory upgrade specifications. The system features one SO-DIMM slot for RAM expansion, with maximum compatible capacity of 12 GB. Memory operates at 2133 MHz frequency. The upgrade configuration combines on-board memory with the available SO-DIMM slot, enabling users to expand total system RAM within the specified maximum capacity limits.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2133 MHz |
| Maximum RAM | 12 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2133 (PC4-17064) |
| Bandwidth | 17.1 GB/s |
| Laptop Release date | 30 June 2018 |
Additional Notes
- The ASUS Vivobook X540UA-GQ725T features a permanent 4 GB soldered module that cannot be removed or replaced, limiting total capacity expansion to 12 GB through the addition of an 8 GB SO-DIMM.
- Only one physical slot accepts upgrades, restricting dual-channel memory configuration to the fixed pairing between the onboard module and whatever SO-DIMM is installed.
- Installing a SO-DIMM with capacity exceeding 8 GB will result in wasted capacity, as the system enforces the 12 GB ceiling regardless of module size.
- The 2133 MHz specification represents the maximum supported speed, meaning faster modules will downclock automatically to match this frequency.
- Dual-channel bandwidth operates only up to the capacity of the smaller module, meaning the first 4 GB runs in dual-channel mode while any additional capacity beyond 4 GB operates in slower single-channel mode.
- Memory upgrades require accessing the bottom panel, which typically involves removing multiple screws and potentially breaking warranty seals depending on regional regulations.
- The SO-DIMM slot accepts only 260-pin DDR4 modules, making desktop memory or older DDR3 SO-DIMMs physically incompatible.
- Systems shipping with less than 12 GB factory-installed offer upgrade potential, while units already configured at 12 GB possess no further expansion capability.
- Voltage requirements default to 1.2V standard for DDR4, meaning low-voltage or overclocking-oriented modules provide no advantage in this platform.
- The hybrid memory architecture prevents balanced dual-channel operation across all installed capacity, creating asymmetric bandwidth allocation that affects memory-intensive workloads differently than symmetric configurations.