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Four green circuit boards with gold edge connectors and black memory chips

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 2933MHz CL21 ECC RDIMM memory upgrade

SKU CH-E1HZ-MCR5J

A 64GB kit of four 16GB DDR4 2933MHz CL21 ECC registered DIMMs for Dell Precision 7820 Tower Workstation

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB capacity expands workstation memory headroom
  • DDR4 2933 MHz speed matches Dell Precision 7820 specifications
  • ECC registered design protects data integrity in critical tasks
  • 20 V operation reduces power draw per module
  • 288-pin RDIMM form factor fits compatible Dell server boards

Dell Precision 7820 Compatible Kit

This 64GB kit contains four 16GB DDR4 2933MHz ECC RDIMM modules built for the Dell Precision 7820 Tower Workstation. Registered buffering and error-correcting code protect data integrity in professional workloads. The 2Rx8 organisation and 1.2V operation match the platform's native memory specification. IT professionals can install the kit without additional configuration.

Registered DDR4 2933MHz Limits

Registered DIMMs add a clock cycle of buffering that stabilises heavy loads but prevents use in consumer boards that expect unbuffered modules. The DDR4 2933MHz JEDEC ceiling caps transfer rates at PC4-23400 without overclocking headroom. CL21 latency is fixed by the standard at this speed grade. Mixing with slower or faster DDR4 modules will force the system to the lowest common denominator.

64GB Capacity And Headroom

Four populated slots deliver 64GB of ECC protected memory for virtualisation, rendering and large dataset work. The 16GB density per module leaves no free slots for future expansion on a four-channel board. Workloads that exceed 64GB will require a platform with higher density support or additional memory channels. Buyers needing more than 64GB must select a different system architecture.

How it compares

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

Price $457.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $7.16 per GB
Cheaper than about 56% of the 20,941 comparable items (median $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 numberMR23400-628K4
Total capacity64 GB (4 × 16 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 (4 × 16 GB) DDR4 2933 MHz PC4-23400 2Rx8 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I pick the 64GB kit of four 16GB modules or a different capacity?

This kit provides exactly 64GB in four 16GB RDIMMs; choose it when your Dell Precision 7820 Tower needs that total capacity and the 2Rx8 registered ECC configuration.

What does the 2933MHz speed mean once installed in my workstation?

The modules run at DDR4 2933 (PC4-23400) with CL21 latency at 1.2V, delivering the rated throughput and error-correcting stability the Precision 7820 Tower expects from registered memory.

How does the 288-pin DDR4 RDIMM interface limit what I can use this memory with?

The 288-pin registered DDR4 form factor only fits DDR4 RDIMM slots that support ECC and registered operation, so it cannot be used in desktop UDIMM boards or DDR5 platforms.

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