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Green circuit board with black memory chips, gold edge connectors, no heat spreader

A-Tech

A-Tech 128GB DDR4 2933MHz ECC LRDIMM 4DRx4 server RAM

SKU CH-1Z2F-D3CMF

128 GB DDR4 2933 MHz ECC LRDIMM module with CL21 latency and 1.2 V operation for compatible Cisco UCS servers

  • Capacity128GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • High capacity for demanding workloads with 128GB single module
  • ECC LRDIMM technology detects and corrects memory errors
  • DDR4 2933MHz speed supports fast data throughput
  • 288-pin DIMM form factor fits compatible server slots
  • 2V standard voltage enables efficient power use

128GB DDR4 2933MHz ECC LRDIMM module

This 128GB DDR4 2933MHz ECC LRDIMM module targets servers needing high-density registered memory. The single 288-pin DIMM uses load-reduced architecture with 4DRx4/4Rx4 organisation to support large capacity per slot. It replaces Cisco part numbers 15-106253-01, HX-ML-128G4RT-H, UCS-ML-128G4RT-H, UCS-ML-128G4RT-HM and UCS-ML-128G4RTH-RF in compatible platforms.

Thermals noise and power draw at 1.2V standard

Operating at 1.20V DDR4 standard voltage, the module draws typical power for its density and speed. The load-reduced design lowers electrical load on the memory bus without adding a heat spreader. Passive cooling relies on chassis airflow; no active noise is generated by the memory itself.

Build fit single DIMM slot frees remaining channels

The 1x128GB form factor occupies one 288-pin DDR4 slot, leaving other channels open for further expansion. ECC and load-reduced buffering require a platform that supports LRDIMM at 2933MHz with CL21 latency. Verify system qualification before purchase; the module is not suited for consumer desktop boards or non-ECC configurations.

Points forts

  • High capacity for demanding workloads with 128GB single module
  • ECC LRDIMM technology detects and corrects memory errors
  • DDR4 2933MHz speed supports fast data throughput
  • 288-pin DIMM form factor fits compatible server slots
  • 2V standard voltage enables efficient power use

Caractéristiques

BrandA-Tech
SeriesCisco RAM Equivalent Replacement Memory
Model15-106253-01, HX-ML-128G4RT-H, UCS-ML-128G4RT-H, UCS-ML-128G4RT-HM, UCS-ML-128G4RTH-RF
Part Number15-106253-01, HX-ML-128G4RT-H, UCS-ML-128G4RT-H, UCS-ML-128G4RT-HM, UCS-ML-128G4RTH-RF
Capacity128GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4DRx4/4Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesEquivalent Replacement for Cisco 15-106253-01, HX-ML-128G4RT-H, UCS-ML-128G4RT-H, UCS-ML-128G4RT-HM, UCS-ML-128G4RTH-RF

Questions sur cet article

How do I install the 288-pin DDR4 LRDIMM and what step do people often miss?

Align the notch on the 288-pin module with the slot key, press firmly until both clips click, then verify the server BIOS recognises the full 128GB capacity and enables ECC.

What maintenance or replacement will the 128GB LRDIMM need over its service life?

No scheduled maintenance is required; keep air paths clean so the 1.20V module stays cool, and replace only if memory diagnostics report correctable ECC errors that exceed the platform threshold.

What limit appears first when the 2933MHz LRDIMM runs under sustained heavy load?

The thermal ceiling of the 4DRx4 chipset is reached before bandwidth saturates, so adequate chassis airflow must maintain the 1.2V operating envelope during prolonged workloads.

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