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Four green DDR4 ECC UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (4x8GB) DDR4 2666 ECC UDIMM CL19 1.2V 288-pin memory upgrade

SKU CH-98JR-TE2WJ

32 GB DDR4 ECC UDIMM kit running at 2666 MHz CL19 1.2 V for ASUS server motherboards

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB kit expands server capacity with four matched 8 GB modules
  • DDR4 2666 speed feeds data at PC4-21300 bandwidth for heavy workloads
  • ECC protection detects and corrects single-bit errors to keep critical tasks stable
  • Low 1.20 V operation reduces power draw and heat in dense chassis
  • Validated for ASUS P11C-C/4L, P11C-M/4L, P11C-X and P11C-X/AUDIO motherboards

32GB DDR4 ECC UDIMM kit for ASUS servers

This 32GB kit contains four 8GB DDR4 2666 modules built for ASUS server motherboards such as the P11C-C/4L, P11C-M/4L, P11C-X and P11C-X/AUDIO. Each stick is an unbuffered ECC UDIMM running at 1.2V with a CAS latency of CL19. The kit targets administrators who need validated, error-correcting memory for stable server operation.

Sustained load behaviour with ECC protection

Modules are stress-tested under load to verify reliability during continuous server workloads. ECC circuitry detects and corrects single-bit errors in real time, preventing data corruption during long-running tasks. The 1Rx8 organisation and 1.2V operation keep power draw predictable while the DDR4 2666 speed maintains consistent throughput.

Straightforward UDIMM installation in four slots

The 288-pin UDIMM form factor fits directly into standard DDR4 DIMM slots without tools. Populate all four channels on the supported ASUS boards to reach the full 32GB capacity. Common issues include mixing these unbuffered sticks with registered memory or forgetting to enable ECC in the BIOS, which leaves error correction inactive.

How it compares

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

Price $214.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.72 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR4 2666 MHz ECC Unbuffered UDIMM
Part numberME21300-818K4
Total capacity32 GB (4 × 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
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items32 GB (4 × 8 GB) DDR4 2666 MHz PC4-21300 1Rx8 1.2 V CL19 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Does the 1.20 V DDR4 2666 kit add noticeable heat or fan noise during continuous server workloads?

The modules run at standard 1.20 V without a heat spreader, so thermal output matches typical UDIMM ECC DIMMs and does not require extra cooling beyond normal chassis airflow.

Must the ASUS P11C motherboard already support DDR4 2666 ECC UDIMM and have four free 288-pin slots for this 4 x 8 GB kit?

Yes, the board needs DDR4 ECC UDIMM capability at 2666 MT/s and four open 288-pin DIMM sockets to install the full 32 GB kit.

Can the CL19 2666 MT/s modules run in the same channels as existing DDR4 ECC UDIMM sticks of a different speed grade?

The memory controller will down-clock all populated DIMMs to the lowest common speed and tightest shared timings, so mixed-speed ECC UDIMMs will operate together at the slower module's rate.

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