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Four green DDR5 UDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 5600 CL46 1.1V 288-pin UDIMM memory upgrade for SuperMicro SYS-531AD-I C9Z790-CG

SKU CH-8VGN-W4Z0E

128 GB kit of four 32 GB DDR5 5600 CL46 1.1 V unbuffered UDIMMs validated for SuperMicro SYS-531AD-I C9Z790-CG workstations

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 5600 (PC5 44800)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 128GB 4X32GB

  • 128GB total capacity from four 32GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • Low 1.1V operating voltage for efficient power use
  • CL46 CAS latency tuned for responsive operation
  • 288-pin UDIMM form factor fits SuperMicro SYS-531AD-I C9Z790-CG

128 GB DDR5 kit for SuperMicro workstation

This 128 GB kit contains four 32 GB DDR5 5600 UDIMM modules built for the SuperMicro SYS-531AD-I C9Z790-CG system. It targets professionals who need high-capacity, non-ECC memory for compute-intensive workloads on this specific platform. The 2Rx8 organisation and 1.10 V operation match the workstation's validated memory profile. Installation follows standard UDIMM procedures for desktop and workstation boards.

2Rx8 organisation and validated compatibility

Each module uses a 2Rx8 configuration with CL46 latency at the DDR5 5600 (PC5-44800) data rate. The kit is assembled from major OEM Samsung, Micron or Hynix components and stress-tested for the target SuperMicro platform. No heat spreaders are fitted, so airflow in the chassis must handle module cooling. The package supplies only the four UDIMMs; no additional software, cables or brackets are included.

DDR5 UDIMM limits for this platform

The DDR5 5600 UDIMM standard used here tops out at the 5600 MT/s JEDEC speed with CL46 timing and 1.10 V. Higher data rates, lower latencies or ECC functionality are not supported by these modules. Builders who need registered DIMMs, ECC error correction or speeds beyond PC5-44800 must select a different memory type. The 288-pin UDIMM form factor also prevents use in systems that require RDIMM or SO-DIMM modules.

Points forts

  • 128GB total capacity from four 32GB modules
  • DDR5 5600 speed rated at PC5-44800 bandwidth
  • Low 1.1V operating voltage for efficient power use
  • CL46 CAS latency tuned for responsive operation
  • 288-pin UDIMM form factor fits SuperMicro SYS-531AD-I C9Z790-CG

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 5600MHZ Non-ECC Unbuffered UDIMM
Part NumberMD44800-328K4
Capacity128GB (4 x 32GB)
SpeedDDR5 5600 (PC5 44800)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL46
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR5 5600MHZ PC5-44800 2Rx8 1.1V CL46 288-PIN Non-ECC Unbuffered UDIMM KIT

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Questions sur cet article

Will the 288-pin DDR5 UDIMM modules need any firmware updates or thermal-pad replacements over their lifetime?

The kit has no heat spreader and no firmware; modules are tested under load before shipping and carry a lifetime replacement guarantee, so no periodic maintenance is required.

What limits sustained throughput when all four 32 GB 2Rx8 modules run at 5600 MT/s CL46?

The memory controller on the SuperMicro C9Z790-CG board and the CL46 latency set the practical bandwidth ceiling; the modules themselves are rated for continuous operation at the rated speed.

How much heat and power do the four 1.10 V sticks generate during all-day workloads?

At 1.10 V the kit draws minimal power for DDR5 and runs without a heat spreader, so case airflow is usually sufficient to keep temperatures low.

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