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Two green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 16GB (2x8GB) DDR4 2666 CL19 UDIMM memory upgrade for ASUS P11C-I/NGFF2280

SKU CH-M4R6-P5FVR

A 16 GB DDR4 2666 CL19 dual-channel kit built for the ASUS P11C-I/NGFF2280 motherboard

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 16 GB dual-channel kit expands system memory for multitasking
  • DDR4 2666 speed matches motherboard specification for stable operation
  • CL19 latency at 1.20 V balances responsiveness with low power draw
  • 288-pin UDIMM form factor fits the ASUS P11C-I/NGFF2280 slot directly
  • Major OEM Samsung Micron Hynix chips deliver tested reliability

System-specific DDR4 kit for ASUS P11C-I

This NEMIX RAM kit delivers 16 GB as two 8 GB DDR4 2666 UDIMM modules built for the ASUS P11C-I/NGFF2280 mini-ITX server board. It runs at 1.2 V with CL19 latency and uses unbuffered non-ECC chips from major OEM suppliers. The 288-pin DIMMs target administrators who need a validated upgrade for this exact platform.

Replaces slower or smaller DDR4 on the same board

Moving from a single 8 GB stick or lower-frequency modules to this matched pair enables dual-channel throughput at the board's native 2666 MT/s. The jump is worth it when the workload hits memory capacity limits or when single-channel bandwidth becomes a bottleneck. Buyers who need ECC protection or registered DIMMs cannot use this kit.

Straightforward DIMM installation

The modules slot into the board's two UDIMM sockets without tools and require no heat spreader clearance. The main issue occurs when the BIOS defaults to a lower speed; enabling the correct 2666 MT/s profile or setting voltage to 1.2 V manually usually resolves it. Mixing these sticks with different ranks or voltages often prevents the system from posting.

How it compares

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

Price $83.99
Cheaper than about 70% 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 $5.25 per GB
Cheaper than about 73% of the 20,941 comparable items (median $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 lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR4 2666 MHz Non-ECC Unbuffered UDIMM
Part numberMD21300-818K2
Total capacity16 GB (2 × 8 GB)
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items16 GB (2 × 8 GB) DDR4 2666 MHz PC4-21300 1Rx8 1.2 V CL19 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin UDIMM modules fit the ASUS P11C-I/NGFF2280 motherboard?

Yes, the kit is built for that board and uses the standard 288-pin DDR4 UDIMM form factor it requires.

What is the correct way to seat the two 8 GB sticks so the system recognises 16 GB?

Insert each module until the side clips click; populate the two slots the manual specifies for dual-channel operation.

When should I expect to replace these CL19 1.2 V modules?

They carry a lifetime replacement warranty and have no moving parts, so replacement is only needed if a fault appears.

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