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OWC

OWC 64GB (4x16GB) DDR4 3200 CL22 ECC Registered RDIMM Memory Upgrade Kit

SKU CH-9QZK-7RW77

A 64 GB DDR4 ECC registered RDIMM kit of four 16 GB modules at 3200 MHz CL22 for Cisco UCS B200 M6, C125 M5, C220 M6, C240 M6 and C245 M6 servers

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

Voir les 3 autres configurations
  • 64 GB total capacity across four 16 GB modules
  • DDR4 3200 speed with CL22 latency for server workloads
  • ECC registered design protects data integrity in Cisco UCS systems
  • 2 V operation reduces power draw in dense configurations
  • Validated for Cisco UCS B200 M6, C125 M5, C220 M6, C240 M6, C245 M6

Server-grade DDR4 ECC RDIMM kit

This 64GB kit contains four 16GB DDR4 3200 registered DIMMs built for Cisco UCS B200 M6, C125 M5, C220 M6, C240 M6 and C245 M6 servers. ECC and registered operation provide the error correction and signal integrity required in multi-socket workstation and server platforms. It is not compatible with standard desktop computers or consumer motherboards.

288-pin registered modules without heat spreaders

Each module uses a 288-pin DDR4 interface at 1.2V with CL22 latency and 1Rx4 organisation. The bare PCB design fits dense server DIMM slots where tall heat spreaders would interfere with airflow or adjacent components. Registered buffering reduces electrical load on the memory controller, allowing the full four-module population supported by the listed Cisco systems.

Verify Cisco UCS model and memory population rules

Confirm the exact server model matches B200 M6, C125 M5, C220 M6, C240 M6 or C245 M6 before ordering. Registered ECC RDIMMs cannot be mixed with unbuffered or load-reduced DIMMs, so all slots must use the same registered type. Check the system documentation for maximum supported capacity per channel and required slot population order.

Points forts

  • 64 GB total capacity across four 16 GB modules
  • DDR4 3200 speed with CL22 latency for server workloads
  • ECC registered design protects data integrity in Cisco UCS systems
  • 2 V operation reduces power draw in dense configurations
  • Validated for Cisco UCS B200 M6, C125 M5, C220 M6, C240 M6, C245 M6

Caractéristiques

BrandOWC
Part Number3R2D41R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B200 M6
Cisco UCS C125 M5
Cisco UCS C220 M6
Cisco UCS C240 M6
Cisco UCS C245 M6

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Questions sur cet article

Does the DDR4 3200 PC4-25600 CL22 specification cap the real-world data rate?

The kit runs at DDR4 3200 with a PC4-25600 peak transfer rate; CL22 is the CAS latency at that speed.

Will the 288-pin 1.2 V ECC registered RDIMM modules fit my Cisco UCS C240 M6 chassis?

Yes, the 288-pin registered DIMMs are validated for Cisco UCS B200 M6, C125 M5, C220 M6, C240 M6 and C245 M6.

What is the correct installation sequence for the four 16 GB 1Rx4 sticks?

Populate all four modules in the same channel bank per the server manual; mixing registered with unbuffered or load-reduced DIMMs will prevent boot.

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