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Four green DDR4 UDIMM sticks without heat spreaders, 288-pin, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR4 3200 ECC UDIMM CL22 1.2V ASRock E3C252D4U

SKU CH-96GF-79STN

64GB DDR4 ECC UDIMM kit running at 3200MHz CL22 1.2V for ASRock E3C252D4U server boards

  • Capacity64GB (4 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB kit expands server memory capacity
  • ECC unbuffered design protects data integrity in critical workloads
  • DDR4 3200 CL22 timing balances speed with stability
  • 2 V operation reduces power draw per module
  • Validated for ASRock Rack E3C252D4U motherboards

Capacity and Compatibility

This NEMIX RAM kit provides 64GB of DDR4 memory across four 16GB modules. It is built for ASRock Rack motherboards including the E3C252D4U, E3C252D4U-2T and E3C252D4ID-2T, delivering ECC error correction in an unbuffered UDIMM form factor.

Upgrade Path

The kit replaces lower-capacity or non-ECC DDR4 UDIMMs in compatible ASRock Rack systems. The jump is worth it when workloads demand 64GB of registered-grade reliability without registered-module overhead, or when populating all four slots with matched 2Rx8 modules at 3200 speed.

Build Integration

Each module runs at 1.2V with CL22 timing and uses a 288-pin DDR4 interface, requiring a motherboard that supports unbuffered ECC UDIMMs at PC4-25600. The absence of heat spreaders keeps the profile low for dense server chassis, while the four-module kit fills a full quad-channel set for maximum bandwidth.

Highlights

  • 64 GB kit expands server memory capacity
  • ECC unbuffered design protects data integrity in critical workloads
  • DDR4 3200 CL22 timing balances speed with stability
  • 2 V operation reduces power draw per module
  • Validated for ASRock Rack E3C252D4U motherboards

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

Will the 288-pin DDR4 UDIMMs fit the ASRock E3C252D4U motherboard DIMM slots?

Yes, the kit provides four 288-pin DDR4 ECC UDIMMs that match the ASRock E3C252D4U, E3C252D4U-2T and E3C252D4ID-2T motherboard slots exactly.

What is the correct way to install the four 16 GB modules so the board runs in quad-channel mode?

Populate all four DIMM slots with the 2Rx8 modules; the common mistake is leaving a slot empty or mixing ranks, which drops the board to dual-channel operation.

When should the ECC UDIMMs be replaced if they start logging corrected errors?

Replace a module once the system logs show a rising corrected-error count on that DIMM, as ECC can only correct single-bit errors before data integrity is at risk.

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