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Six green circuit boards with gold edge connectors and black memory chips, no heat spreaders

NEMIX RAM

NEMIX RAM 48GB (6x8GB) DDR4 2666 ECC Unbuffered UDIMM server RAM

SKU CH-2RDA-RWK5D

Six 8 GB DDR4 ECC unbuffered UDIMMs at 2666 MHz with CL19 latency and 1.20 V

  • Total capacity48 GB (6 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 48GB (6 x 8GB)

  • 48 GB total capacity across six 8 GB modules
  • ECC protection detects and corrects single-bit errors
  • DDR4 2666 speed with CL19 latency for responsive throughput
  • 20 V operation keeps power draw low in dense servers
  • Unbuffered 288-pin UDIMM fits standard DDR4 server slots

48GB DDR4 ECC UDIMM kit

This NEMIX RAM kit supplies 48GB of DDR4 2666 memory across six 8GB unbuffered ECC UDIMMs. It targets servers, workstations and NAS devices that require error-correcting modules for data integrity. The 1Rx8 organisation and 1.2V operation suit standard DDR4 platforms. Buyers needing registered or load-reduced DIMMs should look elsewhere.

Installation and common issues

The 288-pin modules install in the usual way by aligning the notch and pressing until the latches click. No heat spreader is fitted so clearance is minimal. The most frequent problem is mixing these unbuffered ECC sticks with registered memory or populating slots in an order the motherboard manual does not support.

Compatibility checks before ordering

Confirm that your motherboard or server board accepts DDR4 2666 unbuffered ECC UDIMMs and can run six modules simultaneously. Verify the maximum supported capacity per slot and the total system limit. Ensure the BIOS is current enough to recognise 8GB 1Rx8 density at CL19 latency.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $298.99
Pricier than about 61% of the 6,523 comparable items (median $188.99).
Total capacity 48 GB (6 × 8 GB)
Higher than about 65% of the 6,064 comparable items (median 32 GB).
Price per GB $6.23 per GB
Cheaper than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Memory
Model nameDDR4 ECC Unbuffered UDIMM Memory
Part numberME21300-818K6
Total capacity48 GB (6 × 8 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the kit is running at 2666 MT/s with CL19 after installation?

Open the BIOS or UEFI and confirm the memory frequency reads 2666 MT/s and the CAS latency shows CL19. Tools such as CPU-Z or dmidecode will also report DDR4-2666 and CL19 for each 8 GB module.

What exactly ships in the ME21300-818K6 kit and is anything else required?

The box contains six 8 GB DDR4 ECC unbuffered UDIMM modules for a total of 48 GB. No heat spreaders, cables or additional parts are included; the motherboard must provide 288-pin DDR4 slots and support 1.20 V ECC memory.

Why choose the 6 × 8 GB version instead of a different capacity kit?

This kit delivers 48 GB across six single-rank 1Rx8 modules, letting you fill six DIMM slots while keeping each rank at 8 GB for broad server and workstation compatibility.

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