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Four green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 4800 CL40 1.1V UDIMM HP Z2 G9 Tower Workstation memory upgrade

SKU CH-CZWV-6GSKG

A 64 GB kit of four 16 GB DDR5 4800 CL40 UDIMM modules at 1.1 V for the HP Z2 G9 Tower Workstation

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 64 GB kit expands workstation memory for heavy workloads
  • Four 16 GB modules fill four slots in matched configuration
  • DDR5 4800 speed delivers high data throughput for demanding applications
  • 1 V operation reduces power draw and heat output
  • Validated for HP Z2 G9 Tower Workstation compatibility

HP Z2 G9 Tower Workstation compatible DDR5 kit

This 64GB kit contains four 16GB DDR5 4800 UDIMM modules built for the HP Z2 G9 Tower Workstation. It targets IT professionals and workstation owners who need a validated memory upgrade for that specific platform.

1.1V operation with no heat spreader

The modules run at 1.10V without a heat spreader, relying on the workstation's internal airflow for cooling. Unbuffered non-ECC DDR5 at CL40 keeps power draw low and acoustic impact negligible in normal workloads.

Lifetime replacement warranty

Every module is stress tested under load before shipping and covered by a lifetime replacement warranty. US-based IT support staff are available to assist with installation or compatibility questions.

How it compares

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

Price $725.99
Pricier than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $11.34 per GB
Pricier than about 56% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineHPE Server/Workstation Compatible Series Memory
Model nameHPE DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-618K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items64 GB (4 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 UDIMM modules in my HP Z2 G9 Tower Workstation, and which step is most often missed?

Power off and unplug the workstation, open the chassis, align each module's notch with the slot key, press down firmly until the retention clips click on both sides, then verify all four 16 GB sticks are fully seated before closing the case.

What maintenance or replacement will this 64 GB DDR5 4800 kit need over its service life?

No scheduled maintenance is required; the modules have no heat spreader and run at 1.1 V, so only replace a stick if diagnostics report a memory error, which is covered by the lifetime replacement warranty.

What limit appears first when the four 1Rx8 modules run sustained workloads at CL40?

The CAS latency of 40 cycles at 4800 MT/s sets the baseline response time; under continuous load the memory controller's thermal throttle point will be reached before the modules themselves become a bottleneck.

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