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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 16GB DDR5 5200 CL42 1Rx8 UDIMM HP OMEN 25L 40L 45L memory upgrade

SKU CH-A4KY-KQF3K

A 16 GB DDR5-5200 CL42 UDIMM upgrade for HP OMEN 25L, 40L and 45L desktops

  • Total capacity16 GB
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 16GB

  • Boost responsiveness with 16 GB DDR5 5200 CL42
  • JEDEC-standard 1.1 V module keeps upgrade warranty-safe
  • 1Rx8 single-rank design fits HP OMEN 25L, 40L and 45L desktops
  • 288-pin unbuffered DIMM installs quickly without tools
  • PC5-41600 bandwidth supports multitasking and larger workloads

HP OMEN DDR5 Upgrade

This 16GB DDR5 module is built for HP OMEN 25L, 40L and 45L desktops listed in the compatibility data. It targets owners of those systems who want a straightforward memory increase for heavier multitasking or larger workloads.

Compatibility Check

Verify that your HP OMEN model matches one of the five exact model numbers shown in the specifications before ordering. Confirm the motherboard has a free 288-pin DDR5 UDIMM slot and that the system BIOS recognises 5200 MHz non-ECC unbuffered memory.

Thermals and Power

The module runs at the standard JEDEC voltage of 1.1V and carries no heat spreader, so it relies on case airflow for cooling. Power draw is low for a single 16GB stick and the unbuffered design adds no active components that would increase noise.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $215.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $13.50 per GB
Pricier than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5U2D51R816 GB
Total capacity16 GB
Product type288-Pin DDR5 Non-ECC UDIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHP OMEN 25L GT15-1075t
HP OMEN 25L GT15-2085t
HP OMEN 40L GT21-1490xt
HP OMEN 40L GT21-2085t
HP OMEN 45L GT22-1455xt

Other versions of this model

5 more in the same range

Questions about this item

Does the 16GB DDR5 5200 CL42 module ship alone, or do I need to buy anything else for my HP OMEN 25L GT15-1075t?

The upgrade consists of a single 16GB DDR5 5200 CL42 1Rx8 UDIMM. No extra parts are required; it installs directly into an available 288-pin slot on the listed OMEN desktops.

My HP OMEN 40L GT21-1490xt has four slots — should I add one 16GB stick or two for dual-channel?

Adding one 16GB module increases total capacity. For dual-channel bandwidth, install a second identical 16GB stick in the matching slot; the board will then run both at 5200 MT/s CL42.

Will the PC5-41600 5200MHz rating actually run at that speed inside an OMEN 45L GT22-1455xt, or does it downclock?

The module is JEDEC-standard DDR5-5200 CL42 at 1.1V. The OMEN 45L GT22-1455xt memory controller will configure it at 5200 MT/s automatically, provided the BIOS is current.

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