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Two green DDR4 RDIMM sticks, no heat spreader, 288-pin edge connectors

NEMIX RAM

NEMIX RAM 16GB (2x8GB) DDR4 2933 CL21 1.2V ECC RDIMM 288-Pin Dell Precision 7920

SKU CH-FZ5V-4RCFK

A 16GB DDR4 ECC registered kit running at 2933MHz with CL21 latency for the Dell Precision 7920 workstation

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection safeguards data integrity on Dell Precision 7920
  • Registered RDIMM design ensures stable operation under heavy workloads
  • 2933 MHz DDR4 speed delivers responsive performance for demanding tasks
  • 2 V low voltage reduces power draw and heat output
  • Dual 8 GB modules provide 16 GB total capacity for multitasking

Dell Precision 7920 ECC Kit

This 16 GB kit delivers two 8 GB DDR4 2933 registered DIMMs built for the Dell Precision 7920 workstation. ECC and registered buffering protect data integrity in professional workloads. The modules run at 1.2 V with CL21 latency and use major OEM chips from Samsung, Micron or Hynix. No heat spreaders are fitted.

Thermals and power profile

Operating at 1.2 V keeps power draw low for a registered server module. The bare PCB design relies on chassis airflow rather than onboard spreaders. In a Precision 7920 the memory sits in the directed CPU airflow path, so temperatures stay controlled under sustained loads. Acoustic impact is negligible because the DIMMs add no active cooling.

Upgrade context and limits

The kit replaces slower DDR4 or smaller-capacity registered DIMMs in the same 288-pin slots. It suits users who need ECC reliability for calculation-heavy tasks but do not require higher frequencies or larger single-module densities. Builders needing non-ECC unbuffered memory or speeds above 2933 MT/s must choose a different product class.

How it compares

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

Price $154.99
Cheaper than about 61% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $9.69 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 numberMR23400-818K2
Total capacity16 GB (2 × 8 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 rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items16 GB (2 × 8 GB) DDR4 2933 MHz PC4-23400 1Rx8 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin DDR4 RDIMM modules in my Dell Precision 7920 and what step is often missed?

Power off the workstation, open the chassis, align each module's notch with the slot key, press firmly until the retention clips click, then verify in BIOS that both 8 GB sticks are recognised at 2933 MT/s.

What maintenance or replacement will the ECC registered memory need over time?

No routine maintenance is required; the modules have no heat spreader and run at 1.20 V, so replacement is only necessary if a DIMM fails or you later expand beyond the current 16 GB capacity.

What limit appears first when the kit runs sustained workloads at CL21?

The CL21 latency at 2933 MT/s sets the throughput ceiling; sustained heavy traffic will saturate bandwidth before temperature or voltage become limiting factors.

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