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Two green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC UDIMM memory upgrade

SKU CH-NM7H-ZZDV0

ECC UDIMM kit adds 64 GB of DDR5 4800 CL40 memory in two 32 GB modules for Dell Precision 3660 workstations

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 64GB 2X32GB

  • 64 GB kit expands workstation capacity for large datasets
  • ECC protection detects and corrects single-bit errors automatically
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • Unbuffered 288-pin UDIMM fits Dell Precision 3660 Tower directly
  • Low 1.1 V operation reduces power draw and heat

Capacity and compatibility

This NEMIX RAM kit provides 64GB of DDR5 memory across two 32GB modules. It is built as an ECC unbuffered UDIMM for Dell Precision 3660 Tower Workstations that support DDR5 4800 operation. The kit targets IT professionals and workstation users who need error-correcting memory for data integrity in mission-critical applications.

Build integration

Each module uses a standard 288-pin DDR5 form factor and runs at 1.10V. The dual-rank 2Rx8 organisation fits into two UDIMM slots, leaving any remaining slots free for future expansion. ECC functionality requires a motherboard and processor that support unbuffered error-correcting memory; the kit adds no heat spreader, so airflow clearance is unchanged.

Upgrade path

The kit replaces lower-capacity DDR5 ECC UDIMMs or fills empty slots to reach 64GB total system memory. The jump is worthwhile when workloads exceed the capacity of a 32GB configuration or when replacing non-ECC memory to gain error detection. Systems limited to lower DDR5 speeds or registered DIMMs cannot use these modules.

Highlights

  • 64 GB kit expands workstation capacity for large datasets
  • ECC protection detects and corrects single-bit errors automatically
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • Unbuffered 288-pin UDIMM fits Dell Precision 3660 Tower directly
  • Low 1.1 V operation reduces power draw and heat

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC Unbuffered UDIMM
Part NumberME38400-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 ECC UDIMM
Rank2Rx8
FeaturesDDR5 ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC Unbuffered UDIMM KIT

Other versions of this model

1 more in the same range

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

Questions about this item

Will the 1.1 V operating voltage keep thermals manageable when the kit runs at 4800 MT/s all day?

The modules run at 1.10 V and have no heat spreader, so sustained loads rely on case airflow; Dell Precision 3660 workstations are designed to cool UDIMMs at this voltage and speed.

How much noise or extra heat should I expect from the ECC UDIMMs during continuous operation?

The kit is unbuffered DDR5 ECC with no onboard fan or spreader; any audible noise or temperature rise comes from the workstation’s own memory cooling, not the modules themselves.

What must my Dell Precision 3660 already have to accept this 2Rx8 288-pin kit?

The motherboard needs two free 288-pin DDR5 UDIMM slots that support 4800 MT/s ECC unbuffered memory at 1.10 V; the workstation’s memory controller handles the 2Rx8 organisation.

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