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Four green DDR5 UDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB 4x8GB DDR5 4800 CL40 1.1V UDIMM HP Z2 G9 Tower memory upgrade

SKU CH-GJMP-Q5GZK

Four 8 GB DDR5 modules at 4800 MT/s with CL40 latency and 1.1 V operation, configured for HP Z2 G9 Tower workstations

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 32 GB capacity expands workstation multitasking headroom
  • DDR5 4800 speed accelerates data-intensive workloads
  • CL40 latency optimises responsive memory access
  • 1 V operation reduces power draw and heat
  • 4 x 8 GB kit enables quad-channel bandwidth

32GB DDR5 kit for HP Z2 G9

This 32GB kit contains four 8GB DDR5 modules built for the HP Z2 G9 Tower workstation. Each UDIMM runs at 4800MT/s with CL40 latency at 1.1V. The unbuffered, non-ECC design matches the platform's native memory architecture. Installation uses the standard 288-pin desktop slots.

Suits owners expanding to 32GB.

Builders who want a straightforward capacity increase to 32GB without enabling ECC will find this kit fits directly. Buyers who need error-correcting code memory or registered modules for a different platform cannot use these sticks. The kit also does not serve systems limited to lower speeds or different pin counts.

4800MT/s CL40 at 1.1V decides fit

The decisive specification is the DDR5 4800MT/s rating with CL40 timings at 1.1V. If the workstation requires this exact speed, latency and voltage combination, the kit will operate as intended. A different speed grade, latency value or voltage requirement means the modules are not the correct match.

How it compares

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

Price $451.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $14.12 per GB
Pricier than about 61% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineHPE Server/Workstation Compatible Series Memory
Model nameHPE DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-818K4
Total capacity32 GB (4 × 8 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 items32 GB (4 × 8 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

My HP Z2 G9 Tower has four DIMM slots — will this 32 GB kit fill all of them?

The kit contains four 8 GB modules, so it occupies every slot in a four-slot board.

My current memory runs at 1.2 V — will the 1.1 V modules work in the same system?

DDR5 defaults to 1.1 V; the platform sets the voltage, so the lower-voltage modules are compatible.

After installing the kit, how can I confirm it is running at 4800 MT/s?

Check the memory speed in BIOS or with a tool such as CPU-Z; it should show 4800 MHz (PC5-38400).

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