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Four green DDR4 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 2933 ECC RDIMM Dell Precision 7820

SKU CH-YTD3-F7G9A

128 GB DDR4-2933 ECC registered memory kit in four 32 GB modules at 1.2 V CL21 for Dell Precision 7820 workstations

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 128 GB total capacity from four 32 GB modules
  • DDR4 2933 MT/s speed rated at PC4-23400
  • ECC registered design detects and corrects data errors
  • 2 V operation reduces power draw and heat
  • Validated for Dell Precision 7820 tower workstation

128GB DDR4 2933 ECC RDIMM Kit

This 128GB kit contains four 32GB DDR4 2933 registered DIMMs with ECC and a CAS latency of 21. It is built for the Dell Precision 7820 tower workstation and operates at 1.2V. The modules use major OEM chips from Samsung, Micron or Hynix.

Registered ECC limits

Registered ECC memory requires a motherboard and CPU that support registered DIMMs and error correction. Consumer desktop platforms cannot use these modules and will not post if they are installed. The 2933 speed is the rated JEDEC frequency; actual speed depends on the workstation's memory controller and populated slots.

288-pin RDIMM build

Each module is a standard 288-pin DDR4 RDIMM without a heat spreader, relying on the workstation's directed airflow for cooling. The 2Rx8 organisation fits the Precision 7820's memory topology. Four modules populate a full channel set; adding more memory later would require removing existing DIMMs.

How it compares

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

Price $1,031.99
Pricier than about 61% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $8.06 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR4 2933 MHz RDIMM Registered Server Memory
Part numberMR23400-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items128 GB (4 × 32 GB) DDR4 2933 MHz PC4-23400 2Rx4 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I pick the 4 x 32 GB kit or a different capacity for my Precision 7820?

The kit provides 128 GB total using four 32 GB modules, filling four slots on the Dell Precision 7820.

What does the 2933 MHz rating mean once the memory is installed in the workstation?

The modules run at DDR4 2933 (PC4-23400) with CL21 latency at 1.20 V, delivering the rated throughput when the platform supports that speed.

Is the 288-pin RDIMM interface compatible with standard DDR4 UDIMM slots?

No, the 288-pin registered DIMM design requires RDIMM-capable slots and will not work in standard unbuffered DDR4 sockets.

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