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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

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR5 Non-ECC UDIMM
  • SpeedDDR5 5200 (PC5 41600)
  • CAS LatencyCL42
  • Voltage1.1V
  • ECCNo

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.

Highlights

  • 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

Specifications

BrandOWC
Part Number5U2D51R8032P
Capacity32GB (2 x 16GB)
Type288-Pin DDR5 Non-ECC UDIMM
SpeedDDR5 5200 (PC5 41600)
CAS LatencyCL42
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemHP 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

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Same family, different memory, cooler or clock — compare before you commit.

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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