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Four green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 ECC UDIMM CL22 Gigabyte B550-AORUS

SKU CH-JBD9-E1HQ3

A 64 GB kit of four 16 GB DDR4 3200 ECC UDIMM modules at CL22 and 1.2 V for Gigabyte B550-AORUS motherboards

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB kit expands system memory for demanding workloads
  • ECC protection detects and corrects single-bit errors automatically
  • DDR4 3200 speed matches Gigabyte B550-AORUS platform capability
  • 2 V operation keeps power draw low at full load
  • Four 16 GB modules populate all slots for maximum capacity

64 GB DDR4 3200 ECC kit

This 64 GB kit contains four 16 GB DDR4 3200 ECC UDIMM modules rated at CL22 and 1.2 V. It is built for Gigabyte B550-AORUS motherboards that accept 288-pin unbuffered ECC memory. The dual-rank 2Rx8 organisation and Samsung, Micron or Hynix chips target workloads that need error correction without registered DIMMs. ||

Suited for ECC builds only

Builders who need ECC on a consumer platform will find the correct pin count, voltage and rank layout here. Systems that cannot enable ECC in BIOS or that require registered DIMMs will not benefit from these modules. Buyers without ECC support in their motherboard should look elsewhere. ||

288-pin unbuffered ECC UDIMM

The decisive specification is the 288-pin unbuffered ECC UDIMM form factor at DDR4 3200. Only motherboards that list 288-pin DDR4 ECC UDIMM support at 1.2 V can use this kit; registered or non-ECC slots are electrically incompatible. ||

How it compares

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

Price $568.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $8.89 per GB
Typical for this category: the median of 20,941 items is $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 lineGigabyte Gaming Motherboard Compatible Series Memory
Model nameGigabyte DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-628K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte
In the box
Included items64 GB (4 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

How do I install the four 288-pin DDR4 ECC UDIMM sticks on my Gigabyte B550-AORUS motherboard?

Power off, open the case, align each module's notch with the slot key, press straight down until both retention clips click, then populate all four slots for 64 GB total.

What upkeep or replacement will this ECC unbuffered kit need over time?

No moving parts or heat spreaders to service; keep slot contacts dust-free and rely on the manufacturer's lifetime replacement if a module ever fails.

At sustained load, which limit appears first — voltage, latency or thermal?

Fixed 1.20 V operation and CL22 latency mean the first ceiling is the DDR4 3200 transfer rate; the kit runs at that spec without overclocking headroom.

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