HP OMEN 15-dc0042ur RAM upgrade specifications

HP 15-dc0042ur HP 15-dc0042ur HP 15-dc0042ur HP 15-dc0042ur HP 15-dc0042ur

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

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM32 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date05 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.