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Two green circuit boards with black memory chips and gold edge connectors

OWC

OWC 16GB DDR5-5200 CL42 2x8GB Kit HP OMEN 25L/40L/45L

SKU CH-J7V7-ZGC7M

16 GB DDR5-5200 dual-channel kit for HP OMEN 25L, 40L and 45L desktops

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 16GB (2 x 8GB)

  • Designed for HP OMEN 25L, 40L and 45L desktops
  • 16 GB kit (2 × 8 GB) DDR5 5200 CL42
  • JEDEC standard 1.1 V non-ECC unbuffered DIMMs
  • 100 % compliant for warranty-safe upgrades
  • Easy DIY installation with OWC video guide

Compatible HP OMEN Desktops

This 16 GB DDR5 kit is validated for HP OMEN 25L, 40L and 45L desktops including models GT15-1075t, GT15-2085t, GT21-1490xt, GT21-2085t and GT22-1455xt. The two 8 GB unbuffered non-ECC modules install directly into the standard 288-pin DIMM slots.

Sustained Load Behaviour

JEDEC-standard DDR5-5200 operation at 1.1 V keeps power draw and thermals predictable during extended workloads. CL42 latency and 1Rx8 organisation deliver consistent bandwidth without relying on overclocking headroom.

DDR5 Platform Limits

The PC5-41600 rating defines the maximum guaranteed transfer rate for this memory class. Systems that do not support DDR5 5200 will downclock the kit to the highest mutually supported speed.

How it compares

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

Price $294.99
Cheaper than about 54% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $18.44 per GB
Pricier than about 64% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number5U2D51R8016P
Total capacity16 GB (2 × 8 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

How much power does the 1.1 V DDR5 kit draw during all-day operation?

The modules run at 1.1 V, the standard JEDEC voltage for DDR5, so power draw stays within the platform's default memory budget without extra cooling.

What must the HP OMEN desktop already have to accept this 288-pin UDIMM kit?

The system needs free 288-pin DDR5 UDIMM slots and a BIOS that supports PC5-41600 CL42 memory; the listed OMEN 25L, 40L and 45L models meet those requirements.

Will the CL42 sticks work alongside any original DDR5 memory left in the OMEN?

Yes, JEDEC-standard DDR5 at 5200 MT/s CL42 will run at the lowest common speed and latency when mixed with the factory modules.

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