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Eight green DDR4 RDIMM modules in a row, no heat spreaders, gold edge connectors visible

NEMIX RAM

NEMIX RAM 512GB (8x64GB) DDR4-2933 ECC RDIMM 4Rx4 CL21 1.2V 288-pin Dell Precision 5820 memory upgrade

SKU CH-8BYY-0SCBF

Eight registered ECC DDR4 modules deliver 512 GB at 2933 MHz for the Dell Precision 5820 workstation

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 512 GB total capacity with eight 64 GB modules
  • ECC registered design protects data integrity in critical workloads
  • DDR4-2933 speed rated at PC4-23400 for high throughput
  • CL21 latency at 1.2 V for efficient operation
  • 288-pin RDIMM form factor built for Dell Precision 5820 compatibility

512GB DDR4-2933 ECC RDIMM kit for Dell Precision

This 512GB kit contains eight 64GB registered DDR4 modules rated at 2933MHz with CL21 latency and 1.20V operation. ECC and 4Rx4 organisation provide error correction and high density for the Dell Precision 5820 tower workstation.

Thermals noise and power draw

Registered modules run at standard 1.20V DDR4 voltage without heat spreaders, relying on system airflow for cooling. Power draw scales with the 512GB capacity and 4Rx4 rank structure under sustained workloads. Acoustic impact is determined by the workstation fan curves rather than the memory itself.

Build quality and daily use

Eight 288-pin RDIMMs populate the Precision 5820 DIMM slots for a full 512GB configuration. The 4Rx4 layout maximises density per slot but requires the platform to support quad-rank modules. No heat spreaders mean standard clearance applies inside the Dell chassis.

How it compares

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

Price $3,128.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $6.11 per GB
Cheaper than about 64% 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 numberMR23400-944K8
Total capacity512 GB (8 × 64 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 rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items512 GB (8 × 64 GB) DDR4 2933 MHz PC4-23400 4Rx4 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 8x64GB DDR4-2933 4Rx4 RDIMMs in the Dell Precision 5820, and what step is commonly missed?

Populate all eight 288-pin slots following the 5820 manual's channel order, then enter BIOS to confirm the full 512GB at 2933MT/s with ECC active — skipping the BIOS check is the step most people miss.

What maintenance or replacement will the 512GB DDR4 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; only a failed stick would need replacement under the lifetime warranty.

What limit appears first when the 4Rx4 1.2V RDIMMs run sustained workloads on the Precision 5820?

The 4Rx4 organisation increases electrical loading, so the memory controller typically hits its maximum supported rank-per-channel limit before thermal or bandwidth ceilings become an issue.

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