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Four green DDR4 LRDIMM modules with black chips no heat spreaders

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR4 3200 CL22 ECC LRDIMM 288-pin 1.2V memory upgrade

SKU CH-3RPG-1RZT4

A 256 GB DDR4 ECC LRDIMM kit with four 64 GB modules running at 3200 MT/s CL22 for ASUS EPYC 7002 servers

  • Capacity256GB (4 x 64GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 256 GB total capacity with four 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC and load-reduced design for server reliability
  • CL22 latency at 1.2 V operating voltage
  • Validated for ASUS EPYC 7002 motherboard with 288-pin LRDIMM slots

Capacity and purpose

This kit provides 256GB of DDR4 memory across four 64GB LRDIMM modules. It is built for servers and workstations that require large-capacity ECC memory with load-reduced signalling.

Connector and build implications

Each module uses a 288-pin DDR4 LRDIMM form factor and operates at 1.20V without a heat spreader. The load-reduced design lowers electrical load on the memory bus, which helps stability when all sixteen ranks are populated in a compatible ASUS EPYC 7002 platform.

Deciding specification

The memory runs at DDR4 3200 with CL22 latency and a 4Rx4 organisation. Buyers must verify that their motherboard supports 4Rx4 LRDIMMs at this speed and capacity, as systems limited to lower rank counts or different voltages will not accept this kit.

Highlights

  • 256 GB total capacity with four 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC and load-reduced design for server reliability
  • CL22 latency at 1.2 V operating voltage
  • Validated for ASUS EPYC 7002 motherboard with 288-pin LRDIMM slots

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR4 3200MHZ ECC LRDIMM Load Reduced Server Memory
Part NumberML25600-944K4
Capacity256GB (4 x 64GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredLoad Reduced
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASUS
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 LRDIMM
Rank4Rx4
FeaturesDDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible
Package Content256GB (4X64GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Questions about this item

What speed and standard does this DDR4 3200 PC4-25600 kit run at?

The kit operates at DDR4 3200 MT/s, which is the PC4-25600 standard, with a CAS latency of CL22 at 1.2 V.

What physical slot and form factor do these 288-pin LRDIMM modules require?

Each 64 GB module is a 288-pin DDR4 LRDIMM; the motherboard must provide DDR4 LRDIMM slots that accept load-reduced registered DIMMs.

How do I install the four 64 GB sticks in the ASUS KRPA-U16, and what step is often missed?

Populate all four slots per the motherboard manual channel order, seat each LRDIMM until the retention clips click, then verify the BIOS recognises 256 GB and ECC is enabled.

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