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Two green DDR4 RDIMM sticks without heat spreaders, 288-pin, 16 GB kit

NEMIX RAM

NEMIX RAM 16GB (2x8GB) DDR4 2933 ECC RDIMM CL21 1.2V 288-Pin memory upgrade for ASRock Rack ROMED8-2T

SKU CH-WC69-MNR3H

16 GB registered ECC DDR4 kit at 2933 MHz, CL21, 1.2 V, validated for ASRock Rack ROMED8-2T EPYC motherboards

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V

Capacity 16GB 2X8GB

  • ECC protection prevents data errors in critical workloads
  • Registered design improves signal integrity for stable server operation
  • 2933 MHz DDR4 speed matches ASRock Rack ROMED8-2T specifications
  • Dual-rank 1Rx8 configuration optimises memory controller efficiency
  • Low 1.20 V voltage reduces power draw and heat

NEMIX RAM 16GB DDR4 2933 ECC RDIMM Kit

This 16GB kit contains two 8GB DDR4 2933 ECC registered DIMMs built for the ASRock Rack ROMED8-2T motherboard. The modules run at PC4-23400 speed with CL21 latency and 1.20V voltage. They use a 1Rx8 organisation and major-brand chips from Samsung, Micron or Hynix.

Suits EPYC servers needing registered ECC.

Registered ECC RDIMMs are required by the target server board, so this kit fits EPYC-based systems that demand error correction and registered signalling. Builders using consumer boards that accept only unbuffered non-ECC memory should choose a different module type.

Registered ECC RDIMM is the deciding specification

The motherboard requires DDR4 registered ECC DIMMs, and this kit matches that exact requirement with 288-pin RDIMM form factor, ECC functionality and registered buffering. Selecting unbuffered or non-ECC memory would prevent the system from operating correctly.

How it compares

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

Price $156.99
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 $9.81 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 2933 MHz ECC 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 systemsASRock
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

Other versions of this model

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Questions about this item

Does the ASRock Rack ROMED8-2T need any specific BIOS setting to recognise these 288-pin ECC RDIMMs?

The motherboard should detect the 1.20 V DDR4 2933 modules automatically; consult the board manual for any recommended memory-configuration options.

Can I keep my existing DDR4 RDIMMs installed while adding this 2 x 8 GB kit?

Mixing ranks or speeds may force all channels to the lowest common timing; for best stability populate identical 1Rx8 modules in matched slots.

How do I confirm the kit is running at CL21 2933 MHz after installation?

Check the BIOS memory information screen or use a tool such as dmidecode to verify speed shows 2933 MT/s and CAS latency 21.

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