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Two green DDR4 ECC UDIMM sticks, 288-pin, matte black chips, silver contacts

NEMIX RAM

NEMIX RAM 16GB (2 x 8GB) DDR4 2666MHz ECC UDIMM server RAM

SKU CH-SASP-R7DHB

16 GB dual-channel DDR4 2666 MHz ECC UDIMM kit with 1.2 V operation and CL19 latency

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • ECC protection detects and corrects single-bit errors
  • Dual-rank kit delivers 16 GB total capacity
  • 2666 MHz DDR4 speed matches PC4-21300 spec
  • Low 1.2 V voltage reduces power draw
  • 288-pin UDIMM fits standard server slots

NEMIX RAM 16GB DDR4 ECC UDIMM Kit

This 16GB kit contains two 8GB DDR4 2666MHz ECC UDIMM modules. It is built for servers and workstations that require error-correcting unbuffered memory. The dual-rank 1Rx8 organisation and 1.2V operation match the PC4-21300 standard. It suits administrators upgrading compatible platforms.

Ideal for ECC UDIMM servers.

This memory fits systems that specifically accept DDR4 2666MHz ECC UDIMM modules. Builders whose boards only support non-ECC unbuffered DIMMs cannot use this kit. Servers requiring registered or load-reduced DIMMs must choose a different module type. Laptop or compact systems needing SO-DIMM form factors are also incompatible.

Deciding spec: DDR4 2666MHz ECC UDIMM at 1.2V

The single specification that determines fit is the DDR4 2666MHz ECC UDIMM designation at 1.2V. Your motherboard must explicitly list support for PC4-21300 ECC unbuffered DIMMs. Verify the memory QVL before purchase; a mismatch in ECC type, buffering or voltage will prevent the system from posting.

How it compares

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

Price $99.99
Cheaper than about 69% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 60% of the 6,064 comparable items (median 32 GB).
CAS latency 19
Lower than about 91% of the 439 comparable items (median 40).
Price per GB $6.25 per GB
Cheaper than about 61% of the 6,064 comparable items (median $7.25 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
Model namePart#: ME21300-818K2-SM-SYS-5019C-M
Part numberPart#: ME21300-818K2-SM-SYS-5019C-M
Total capacity16 GB (2 × 8 GB)
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency19
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Power
Rated voltage1.2 V

Questions about this item

My server takes 288-PIN ECC UDIMM modules — will this kit fit?

Yes, each stick is a 288-PIN ECC UDIMM that runs at 1.2 V and 2666 MHz with CL19 timing.

If I keep my existing DDR4 2666 ECC UDIMMs, will the system run both kits at the same speed?

The memory controller will operate all installed modules at the lowest common speed and timing, so identical DDR4 2666 CL19 kits will run together at 2666 MHz.

How do I confirm the kit is detected as 16 GB ECC after installation?

Check the BIOS memory summary or run a tool such as dmidecode; it should show two 8 GB DDR4 2666 modules with ECC enabled and a CAS latency of 19.

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