HP OMEN 15-dc0042ur RAM upgrade specifications
The HP OMEN 15-dc0042ur laptop features two SO-DIMM memory slots compatible with DDR4-SDRAM modules operating at 2666 MHz. The system supports a maximum RAM capacity of 32 GB total. Memory upgrade specifications indicate DDR4 compatibility with standard SO-DIMM form factor modules. Current and prospective upgrades must adhere to DDR4-SDRAM standards and the dual-slot configuration for optimal performance within the laptop's memory architecture.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 32 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2666 (PC4-21328) |
| Bandwidth | 21.3 GB/s |
| Laptop Release date | 05 July 2018 |
Additional Notes
- The 2666 MHz frequency limitation originates from the Intel processor's memory controller specification, not from the motherboard chipset itself.
- Installing RAM modules rated above 2666 MHz will result in automatic downclocking to match the supported frequency, negating any speed advantage.
- Both SO-DIMM slots must be populated with identical capacity modules to enable dual-channel memory operation and achieve maximum memory bandwidth.
- Mismatched module capacities will force the system into single-channel mode or asymmetric dual-channel configuration, reducing memory throughput by approximately 50%.
- The 32 GB maximum capacity requires two 16 GB modules, as this represents the highest density supported by the memory controller architecture.
- SO-DIMM modules exceed 69mm in height will encounter physical interference with the laptop's thermal assembly and cannot be installed.
- Non-JEDEC standard modules or those requiring XMP/DOCP profiles may fail to initialize, as laptop BIOS implementations typically lack manual memory timing configuration options.
- The DDR4 SO-DIMM specification requires 1.2V operation, and modules designed for 1.35V or higher voltage may cause system instability or boot failure.
- Access to both memory slots requires complete bottom panel removal, voiding any seal-based warranty if such seals are present on the service cover screws.
- Single-rank versus dual-rank module topology affects interleaving behavior, with dual-rank configurations providing marginal performance gains in memory-intensive workloads despite identical capacity and frequency.
- The memory controller supports ECC unbuffered SO-DIMMs electrically, but HP BIOS lacks ECC reporting functionality, rendering error correction features non-operational.
- Thermal throttling thresholds remain unchanged regardless of RAM capacity, meaning larger memory configurations do not reduce sustained performance under thermal load conditions.