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Two green DDR4 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2933 CL21 ECC RDIMM Dell Precision 7820 memory upgrade

SKU CH-AWSJ-X7GVS

64GB DDR4 ECC RDIMM kit (2×32GB) at 2933MHz CL21 for Dell Precision 7820 workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB kit expands workstation memory for larger datasets
  • ECC registered design detects and corrects single-bit errors automatically
  • DDR4 2933 speed matches Dell Precision 7820 specifications
  • Dual-rank 2Rx8 organisation maximises density per module
  • 2 V operation reduces power draw and heat output

Dell Precision 7820 upgrade kit

This 64 GB kit uses two 32 GB DDR4 RDIMMs built for the Dell Precision 7820 tower workstation. Registered ECC operation protects data integrity in professional workloads. The modules run at 2933 MT/s with CL21 latency. They install directly into the system's 288-pin DIMM slots.

Thermals and power profile

Each module operates at 1.2 V without a heat spreader, relying on the workstation's chassis airflow. Registered buffering reduces electrical load on the memory controller. Power draw stays within standard DDR4 RDIMM limits for this platform. Fan noise is unchanged because the kit adds no active cooling.

Build and daily handling

Bare green PCBs with exposed gold contacts keep the profile low for dense slot populations. The 2Rx8 organisation fits the Precision 7820 memory architecture. Major-brand Samsung, Micron or Hynix ICs are used depending on supply. No extra cables, brackets or software are required for installation.

How it compares

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

Price $526.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $8.23 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 numberMR23400-328K2
Total capacity64 GB (2 × 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 items64 GB (2 × 32 GB) DDR4 2933 MHz PC4-23400 2Rx8 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin RDIMM modules in the Dell Precision 7820 and what step is often missed?

Power off and unplug the workstation, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all 64GB is recognised at 2933MHz — the step often missed is seating both modules fully so the clips engage on each side.

What maintenance or replacement will this ECC RDIMM kit need over time?

No routine maintenance is required; the modules have no heat spreaders or moving parts, so replacement is only needed if a module fails or capacity must be increased beyond the installed 64GB.

What limit appears first under sustained heavy workloads with this CL21 registered memory?

The CAS latency of 21 cycles at 2933MHz sets the access-delay floor, so sustained throughput is bounded by that timing before thermal or voltage limits become factors.

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