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Two green circuit-board sticks with black memory chips, no metal heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 2666 CL19 UDIMM memory upgrade

SKU CH-SZNC-5B567

32 GB dual-channel DDR4-2666 kit with CL19 timing, 1.2 V unbuffered UDIMMs validated for Supermicro workstation boards

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB kit (2 × 16 GB) doubles desktop capacity
  • DDR4 2666 MT/s CL19 speeds up everyday workloads
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM fits standard desktop DIMM slots
  • Tested for Supermicro C9Z390-CG workstation compatibility

NEMIX RAM 32GB DDR4 2666 Kit

This NEMIX RAM kit provides 32GB of DDR4 2666 memory in a matched pair of 16GB UDIMM modules. It operates at 1.2V with CL19 latency and uses 288-pin unbuffered non-ECC chips from major OEM suppliers. The kit is validated for Supermicro desktop and workstation boards.

Builders upgrading compatible Supermicro systems

Suited for administrators expanding Supermicro C9Z390-CG workstations or similar desktop platforms that accept standard DDR4 UDIMMs. Not for servers requiring registered or ECC modules, nor for laptops or compact PCs needing SO-DIMM form factors.

32GB capacity for multi-tasking headroom

Two 16GB ranks deliver comfortable capacity for virtual machines, content creation and large datasets on supported boards. The 2666 MT/s speed and CL19 timing match standard JEDEC profiles without overclocking headroom. Systems limited to lower memory speeds will downclock automatically.

How it compares

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

Price $176.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.53 per GB
Cheaper than about 70% 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSupermicro DDR4 2666 MHz Non-ECC Unbuffered UDIMM
Part numberMD21300-618K2
Total capacity32 GB (2 × 16 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 systemsSupermicro
In the box
Included items32 GB (2 × 16 GB) DDR4 2666 MHz PC4-21300 1Rx8 1.2 V CL19 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Does my motherboard need a 288-pin DDR4 UDIMM slot to install this 2×16 GB kit?

Yes, each module is a 288-pin DDR4 UDIMM and requires a matching desktop DIMM slot running at 1.2 V.

Will this CL19 kit run at 2666 MT/s alongside my current DDR4 2666 CL19 modules?

The kit is rated DDR4 2666 CL19 at 1.2 V; mixed kits typically default to the slowest common speed and loosest timings.

How can I confirm the 32 GB kit is detected at 2666 MT/s after installation?

Check the memory frequency and total capacity in BIOS or use a system-information tool such as CPU-Z to verify 2666 MT/s and 32 GB.

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