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Green bare circuit board with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 2Rx8 CL22 1.2V UDIMM HPE P43022-B21 memory upgrade

SKU CH-XR8Q-B23Z5

32 GB DDR4 3200 UDIMM module, CL22 1.2 V 2Rx8, compatible with HPE P43022-B21 systems

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB DDR4 3200 UDIMM expands desktop capacity
  • 2 V low-voltage operation reduces system power draw
  • CL22 latency supports responsive multitasking
  • 2Rx8 dual-rank organisation improves memory throughput
  • 288-pin unbuffered design fits compatible HPE platforms

HPE Compatible 32GB DDR4 UDIMM

This 32GB DDR4 3200 module is built for HPE desktops and workstations that accept unbuffered non-ECC UDIMMs. It targets system builders and IT staff who need a single 32GB stick to fill an empty slot or replace a failed unit. The part is validated against HPE part number P43022-B21 for direct compatibility.

2Rx8 dual-rank organisation

The module uses a 2Rx8 configuration, meaning two ranks of x8 DRAM chips on a single PCB. This rank layout determines how the memory controller addresses the chips and can affect maximum supported capacity per channel on certain HPE platforms. Verify that your system board accepts 2Rx8 UDIMMs before purchase.

Standard 1.2V operation without heat spreader

Running at the standard DDR4 voltage of 1.2V, the module draws typical power for its speed and density. No heat spreader is fitted, so airflow across the bare PCB handles cooling in normal chassis environments. Acoustic output is limited to the system fans already present in the workstation.

How it compares

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

Price $178.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.59 per GB
Cheaper than about 69% 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 DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-328K1
Total capacity32 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHPE
In the box
Included items32 GB (1 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Will the 3200 MT/s speed run at that rate on my HPE server or fall back to a lower speed?

The module is rated DDR4 3200 (PC4-25600); the actual operating speed depends on the server's memory controller and populated DIMM slots, so it may run at 3200 or step down to a supported JEDEC speed.

Is this a registered or unbuffered DIMM and does it include ECC?

This is an unbuffered non-ECC UDIMM, so it lacks both register buffering and error-correcting code; it is intended for platforms that accept standard unbuffered DDR4.

Will the 288-pin 2Rx8 module physically fit the DIMM slots in my HPE workstation?

Yes, it uses the standard 288-pin DDR4 UDIMM form factor with a 2Rx8 organisation and no heat spreader, matching the mechanical slot keying used by compatible HPE systems.

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