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Green 288-pin DDR4 server memory module, 128GB capacity, no heat spreader

A-Tech

A-Tech 128GB DDR4 3200MHz ECC LRDIMM Server RAM

SKU CH-9E7Z-KN98H

A 128 GB DDR4 3200 MHz ECC LRDIMM module with CL22 latency and 1.2 V operation for compatible Cisco servers

  • Capacity128GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.20V
  • ECCYes
  • 128 GB capacity handles heavy server workloads
  • DDR4 3200 MHz speed accelerates data throughput
  • ECC LRDIMM technology protects data integrity
  • 20 V operation reduces power consumption
  • 288-pin DIMM form factor fits compatible server slots

128GB DDR4 ECC LRDIMM Server Module

This 128GB DDR4 3200MHz ECC Load Reduced DIMM is built for enterprise servers that require high-capacity, error-correcting memory. It targets IT administrators upgrading Cisco UCS or HyperFlex platforms using part numbers UCS-ML-128G4RW, UCSX-ML-128G4RW or HX-ML-128G4RW. Buyers needing non-ECC UDIMMs or standard RDIMMs for workstations should look elsewhere.

288-Pin DDR4 LRDIMM Build && Connector

The module uses a 288-pin DDR4 DIMM form factor with Load Reduced architecture to reduce electrical load on the memory bus. It operates at 1.2V with CL22 latency and a 4DRx4/4Rx4 rank configuration. No heat spreader is fitted, so airflow in the server chassis must be sufficient for bare DRAM packages. The LRDIMM buffer helps signal integrity in dense multi-DIMM configurations.

Verify Server Qualified Vendor List First

Confirm that your server motherboard and BIOS support 128GB LRDIMM modules at DDR4 3200 (PC4-25600) with 4DRx4 organisation. Check the vendor Qualified Vendor List for the exact Cisco part numbers listed to ensure the module is validated for your specific platform. Mixing LRDIMMs with RDIMMs or UDIMMs is not supported.

Puntos fuertes

  • 128 GB capacity handles heavy server workloads
  • DDR4 3200 MHz speed accelerates data throughput
  • ECC LRDIMM technology protects data integrity
  • 20 V operation reduces power consumption
  • 288-pin DIMM form factor fits compatible server slots

Especificaciones

BrandA-Tech
SeriesCisco RAM Equivalent Replacement Memory
ModelUCS-ML-128G4RW, UCS-ML-128G4RW-M, UCSX-ML-128G4RW, HX-ML-128G4RW, HX-ML-128G4RW-M
Part NumberUCS-ML-128G4RW, UCS-ML-128G4RW-M, UCSX-ML-128G4RW, HX-ML-128G4RW, HX-ML-128G4RW-M
Capacity128GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4DRx4/4Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesEquivalent Replacement for Cisco UCS-ML-128G4RW, UCS-ML-128G4RW-M, UCSX-ML-128G4RW, HX-ML-128G4RW, HX-ML-128G4RW-M

Preguntas sobre este artículo

What does DDR4 3200 PC4-25600 mean for real-world bandwidth?

DDR4 3200 PC4-25600 indicates a 3200 MT/s data rate; sustained bandwidth depends on the server memory controller and channel configuration.

What physical slot and clearance does this 288-pin LRDIMM need?

This module uses a standard 288-pin DDR4 DIMM slot and has no heat spreader, so it fits in tight server DIMM cages without extra height.

How is the module installed and what step is often missed?

Align the notch with the slot key, press firmly until both retention clips click, then verify in BIOS that ECC LRDIMM mode is enabled for the 4Rx4 rank.

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