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Two green circuit boards with black chips, no heat spreaders

OWC

OWC 32GB (2x16GB) DDR5 5200 CL42 1Rx8 1.1V UDIMM HP OMEN 40L GT21

SKU CH-CEJ5-D654J

32 GB DDR5 5200 CL42 kit (2×16 GB) validated for HP OMEN 40L GT21 desktops

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 32GB (2 x 16GB)

  • 32 GB capacity with two 16 GB modules
  • DDR5 5200 speed rated at PC5-41600
  • CL42 latency at 1.1 V standard voltage
  • Validated for HP OMEN 40L GT21 series systems
  • JEDEC and RoHS compliant for warranty-safe upgrade

HP OMEN 40L GT21 DDR5 Upgrade

This 32 GB kit contains two 16 GB DDR5 5200 CL42 UDIMMs built to OWC part number 5U2D51R8032P. It targets owners of HP OMEN 40L GT21 desktops who want a straight drop-in memory increase.

Suits listed GT21 models only

The modules are validated for HP OMEN 40L GT21-1000m, GT21-1005m, GT21-1355st, GT21-1455se and GT21-2000t. Builders with other motherboards, laptops or workstations that require ECC, registered DIMMs or a different pin count should look elsewhere.

288-pin DDR5 5200 CL42 1.1 V UDIMM

The kit runs at the JEDEC-standard DDR5 5200 speed with CL42 latency at 1.1 V. Confirm your system accepts 288-pin unbuffered non-ECC DDR5 at this voltage before purchase.

How it compares

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

Price $450.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $14.09 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 number5U2D51R8032P
Total capacity32 GB (2 × 16 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 40L GT21-1000m
HP OMEN 40L GT21-1005m
HP OMEN 40L GT21-1355st
HP OMEN 40L GT21-1455se
HP OMEN 40L GT21-2000t

Other versions of this model

5 more in the same range

Questions about this item

How do I verify the OWC DDR5 5200 CL42 1Rx8 modules are running correctly after installation?

The system should boot and report 32GB of installed memory. Enter the BIOS or use a system information tool to confirm the speed is shown as 5200 MT/s and the timings match CL42.

What is included in the box and do I need any extra parts for my HP OMEN 40L GT21?

The package contains two 16GB 288-pin DDR5 UDIMM modules. No additional cables, brackets or heat spreaders are required for the compatible HP OMEN 40L GT21 models listed.

Which capacity kit should I choose for my HP OMEN 40L GT21-1000m upgrade?

This kit provides 32GB total capacity as a matched pair of 16GB modules, designed specifically for the HP OMEN 40L GT21 series including the 1000m, 1005m, 1355st, 1455se and 2000t.

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