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Green 288-pin DDR4 LRDIMM module, 128GB, no heat spreader

A-Tech

A-Tech 128GB DDR4 2933MHz ECC LRDIMM 4DRx4/4Rx4 Server Memory

SKU CH-8E12-XS1V8

128GB DDR4 2933MHz ECC load-reduced DIMM for compatible IBM-Lenovo servers

  • Capacity128GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • 128 GB capacity handles large server workloads
  • DDR4 2933 MHz speed delivers high data throughput
  • ECC load-reduced design maintains signal integrity at scale
  • 20 V operation matches standard DDR4 voltage
  • 288-pin DIMM form factor fits compatible server slots

Capacity and server fit

This 128GB DDR4 module targets server administrators who need maximum density in a single slot. It replaces IBM-Lenovo part numbers 4X77A12203 and 02YH049 for compatible platforms. The ECC Load Reduced design supports data integrity under sustained heavy workloads.

DDR4 2933 interface limits

The module runs at 2933 MT/s with CL21 latency at the standard 1.20V DDR4 voltage. Load Reduced buffering reduces electrical load on the memory controller, allowing higher total system capacity than standard registered DIMMs. The 288-pin form factor fits DDR4 slots that support LRDIMM operation.

128GB single-module headroom

A single 128GB rank-4DRx4/4Rx4 module delivers large capacity per slot, suited for virtualisation hosts and in-memory databases. Systems limited to lower per-slot density or lacking LRDIMM support cannot use this module. Buyers needing smaller increments or standard RDIMM compatibility should choose a different specification.

Points forts

  • 128 GB capacity handles large server workloads
  • DDR4 2933 MHz speed delivers high data throughput
  • ECC load-reduced design maintains signal integrity at scale
  • 20 V operation matches standard DDR4 voltage
  • 288-pin DIMM form factor fits compatible server slots

Caractéristiques

BrandA-Tech
SeriesIBM-Lenovo RAM Equivalent Replacement Memory
Model4X77A12203, 02YH049
Part Number4X77A12203, 02YH049
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 IBM-Lenovo 4X77A12203, 02YH049

Questions sur cet article

Should I choose the 128GB single module or look for a smaller capacity kit?

This listing is a single 128GB DDR4 2933MHz LRDIMM. Select it when your server requires one high-density module per slot and the platform supports 128GB LRDIMMs.

What does the 2933MHz speed deliver in an actual server workload?

At DDR4 2933MHz (PC4-23400) with CL21 latency, the module runs at the rated data rate when the memory controller and BIOS are configured for that speed, providing peak bandwidth for memory-intensive server tasks.

How does the LRDIMM interface affect what the memory controller can address?

The load-reduced design buffers the command, address and data signals, lowering electrical load on the DDR4 bus so the controller can populate more slots with 4DRx4/4Rx4 ranks without exceeding signal-integrity limits.

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