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Single green 288-pin DDR4 ECC registered DIMM module with black chips, no heat spreader

OWC

OWC 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin ECC Registered DIMM memory upgrade

SKU CH-EHX9-1M991

Single 128GB DDR4 3200 ECC registered DIMM for Fujitsu PRIMERGY servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 128GB

  • 128GB single module expands server capacity
  • DDR4 3200 speed accelerates data throughput
  • CL22 latency at 1.2V balances performance and efficiency
  • ECC registered design protects data integrity
  • Validated for Fujitsu PRIMERGY CX400 M7 and RX series

128GB ECC Registered DIMM for Fujitsu servers

This 128GB DDR4 3200 module is an ECC registered DIMM built for Fujitsu PRIMERGY CX400 M7, TX2550 M5, CX2570 M4, RX2530 M4 and RX2540 M4 systems. It targets administrators who need high-density registered memory for virtualization, database or compute workloads. The single-module design simplifies capacity scaling in qualified platforms.

Verify registered ECC support and rank limits

Before ordering, confirm your system accepts 4Rx4 registered ECC DDR4 at 1.2V and that the memory controller supports the required rank-per-channel limit. This module cannot be mixed with unbuffered or load-reduced DIMMs, and standard desktop platforms will not recognise it. Check the vendor memory-qualified list for exact population rules.

Passive cooling with standard voltage

The module operates at 1.2V without a heat spreader, relying on chassis airflow for thermal management. Under normal server loads it runs within JEDEC thermal limits and adds minimal acoustic contribution. Power draw scales with capacity and rank count, so ensure the power budget accounts for the full 128GB configuration.

Puntos fuertes

  • 128GB single module expands server capacity
  • DDR4 3200 speed accelerates data throughput
  • CL22 latency at 1.2V balances performance and efficiency
  • ECC registered design protects data integrity
  • Validated for Fujitsu PRIMERGY CX400 M7 and RX series

Especificaciones

BrandOWC
Part Number3R2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemFujitsu PRIMERGY CX400 M7
Fujitsu PRIMERGY TX2550 M5
Fujitsu PRIMERGY CX2570 M4
Fujitsu PRIMERGY RX2530 M4
Fujitsu PRIMERGY RX2540 M4

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Preguntas sobre este artículo

Does the single 128GB module ship alone, or are additional DIMMs required for the Fujitsu PRIMERGY CX400 M7?

The upgrade consists of one 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Registered DIMM. No extra modules are included; the server can be populated with this single stick or combined with identical modules.

Should I choose this 128GB 4Rx4 registered ECC module or a different capacity for the PRIMERGY RX2540 M4?

This module delivers 128GB per slot at DDR4 3200 with CL22 latency. Select it when the board supports 4Rx4 registered ECC and you need maximum density per DIMM; otherwise match the capacity and rank already installed.

What does the PC4-25600 rating mean once the DIMM is installed in a PRIMERGY TX2550 M5?

PC4-25600 indicates a peak transfer rate of 25,600 MB/s at DDR4 3200. In the TX2550 M5 the module will run at that speed with CL22 timing, providing 128GB of registered ECC capacity per occupied slot.

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