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Eight green DDR4 RDIMM sticks in a row

OWC

OWC 512GB (8×64GB) DDR4 3200 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade for Cisco UCS C4200

SKU CH-KW7B-BN710

Eight 64 GB DDR4 3200 CL22 ECC registered RDIMMs totalling 512 GB for Cisco UCS C4200 servers

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

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  • 512 GB total capacity from eight 64 GB modules
  • DDR4 3200 speed rated at PC4 25600 bandwidth
  • CL22 CAS latency with 1.2 V operating voltage
  • ECC Registered 2Rx4 design for server data integrity
  • 288-pin RDIMM form factor built for Cisco UCS C4200

Server memory upgrade

This 512GB kit contains eight 64GB DDR4 3200 ECC registered RDIMMs built for the Cisco UCS C4200. Each module runs at 1.2V with CL22 latency and a 2Rx4 organisation across 288 pins. The kit replaces Cisco part numbers UCSMRX64G2RW, UCS-MR-X64G2RW-M and UCSXMRX64G2RW. It will not work in standard desktop computers or alongside unbuffered or load-reduced memory.

Sustained load behaviour

Registered buffering and ECC correction keep data integrity intact during continuous server workloads. JEDEC-compliant DDR4 3200 signalling delivers PC4-25600 bandwidth across all eight slots without timing drift. Identical capacity, speed and manufacturer across the kit ensure optimal multi-channel performance under prolonged utilisation.

Thermals noise and power

Modules operate at the standard 1.2V DDR4 voltage with no heat spreaders attached. Passive cooling relies on chassis airflow within the Cisco UCS C4200 enclosure. The registered design adds minimal electrical load per DIMM while maintaining signal stability across the full 512GB configuration.

Puntos fuertes

  • 512 GB total capacity from eight 64 GB modules
  • DDR4 3200 speed rated at PC4 25600 bandwidth
  • CL22 CAS latency with 1.2 V operating voltage
  • ECC Registered 2Rx4 design for server data integrity
  • 288-pin RDIMM form factor built for Cisco UCS C4200

Especificaciones

BrandOWC
Part Number3R2D42R4512K
Capacity512GB (8 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS C4200

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Preguntas sobre este artículo

How much power does the 1.2 V DDR4 3200 kit draw when the Cisco UCS C4200 runs continuously?

Each 64 GB module operates at 1.2 V, the standard DDR4 voltage, so total power scales with the eight DIMMs installed; the registered design adds minimal overhead versus unbuffered memory.

What must the Cisco UCS C4200 already have to accept this 8 × 64 GB RDIMM kit?

The server needs eight free 288-pin DDR4 slots, a CPU and chipset that support registered ECC RDIMMs at 3200 MT/s, and a BIOS revision that recognises 2Rx4 64 GB density modules.

Can I keep the existing Cisco UCS-MR-X64G2RW modules and add this 512 GB kit alongside them?

The kit replaces Cisco part numbers UCSMRX64G2RW, UCS-MR-X64G2RW-M and UCSXMRX64G2RW; mixing with those or any other registered ECC DIMMs of different rank or speed is not supported.

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