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Four green DDR4 UDIMM sticks without heat spreaders, 64GB total

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 ECC UDIMM CL22 1.2V 2Rx8 memory upgrade

SKU CH-34XP-RCEM5

A 64 GB kit of four 16 GB DDR4 3200 ECC UDIMM modules at CL22 and 1.2 V, validated for select ASRock Rack server motherboards

  • Capacity64GB (4 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB capacity across four 16 GB modules for high-density server workloads
  • DDR4 3200 speed with CL22 latency delivers responsive data throughput
  • ECC unbuffered design protects data integrity in mission-critical environments
  • 2 V operating voltage reduces power draw and thermal load
  • Validated for ASRock Rack E3C256D4 series motherboards ensuring drop-in compatibility

Capacity and compatibility

This kit delivers 64GB of DDR4 memory across four 16GB modules for ASRock Rack E3C256D4 server and workstation boards. It targets administrators who need ECC protection on unbuffered DIMM slots without registered memory support.

Build and connectors

Each 288-pin UDIMM operates at 1.2V with no heat spreader, keeping the profile low for dense chassis. The 2Rx8 organisation and CL22 timing are validated for the listed motherboards, so installation follows the board manual without extra configuration steps.

Deciding specification

The DDR4 3200 PC4-25600 ECC unbuffered standard is the single parameter that determines fit; boards requiring registered DIMMs, a different voltage, or a non-ECC layout will not accept this kit. Buyers who need registered memory or a higher speed grade must select a different part number.

Highlights

  • 64 GB capacity across four 16 GB modules for high-density server workloads
  • DDR4 3200 speed with CL22 latency delivers responsive data throughput
  • ECC unbuffered design protects data integrity in mission-critical environments
  • 2 V operating voltage reduces power draw and thermal load
  • Validated for ASRock Rack E3C256D4 series motherboards ensuring drop-in compatibility

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ ECC Unbuffered UDIMM
Part NumberME25600-628K4
Capacity64GB (4 x 16GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 ECC UDIMM
Rank2Rx8
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (4X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

What DDR4 speed and PC rating does this 64GB kit run at?

The modules operate at DDR4 3200 with a PC4-25600 data rate.

What physical slot and pin count do these 288-pin UDIMMs require?

They fit standard DDR4 UDIMM sockets with 288 pins on the motherboard.

How do I seat the four 16GB sticks so the motherboard recognises all 64GB?

Insert each module vertically until the side clips click; populate the slots your ASRock manual specifies for a four-DIMM configuration.

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