ASUS ExpertBook B5402CVA-KI0426X RAM upgrade specifications
The ASUS ExpertBook B5 series model B5402CVA-KI0426X features DDR5-SDRAM memory upgrade specifications. The laptop contains one SO-DIMM slot for RAM expansion, supporting a maximum capacity of 40 GB. Compatible memory operates at 4800 MHz frequency. The memory configuration consists of on-board RAM combined with the single SO-DIMM upgrade slot. These specifications define the available memory upgrade options for this ASUS ExpertBook B5402CVA-KI0426X model.
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 |
Additional Notes
- The ASUS ExpertBook B5402CVA-KI0426X ships with soldered memory that cannot be removed or replaced, limiting future upgrade flexibility to the single available SO-DIMM slot.
- The 40 GB maximum capacity indicates 8 GB of non-upgradeable onboard RAM, allowing a single 32 GB SO-DIMM module to reach the system ceiling.
- Asymmetric memory configurations between soldered and socketed RAM may disable dual-channel mode for portions of the installed capacity, reducing memory bandwidth for applications that access beyond the mirrored amount.
- DDR5 modules operate at 1.1V compared to DDR4's 1.2V, making cross-generation compatibility impossible without motherboard replacement.
- The 4800 MHz specification represents JEDEC standard speed for DDR5, though higher-frequency modules will downclock to this validated limit when installed.
- SO-DIMM DDR5 modules require 262-pin connectors, physically incompatible with 260-pin DDR4 SO-DIMM slots despite similar dimensions.
- Mixing RAM modules with different CAS latencies may force the system to operate at the slower timing across all installed memory.
- Single-slot architecture prevents redundancy configurations and limits total capacity expansion compared to dual-slot implementations.
- Opening the chassis to access the SO-DIMM slot may void warranty coverage unless performed by authorized service providers, depending on regional regulations.
- DDR5's on-die ECC operates independently of module-level error correction, providing basic data integrity without requiring registered memory modules.
- The hybrid memory design suggests cost optimization targeting business users who need moderate capacity without paying for dual-slot infrastructure.