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Two green DDR4 RDIMM modules with gold contacts and black chips, no heat spreader

OWC

OWC 64GB (2x32GB) DDR4 3200 CL22 ECC Registered RDIMM Cisco UCS C4200

SKU CH-KSEP-GEVKJ

A 64 GB DDR4 ECC registered kit of two 32 GB modules at 3200 MHz CL22 for Cisco UCS C4200 servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB (2 x 32GB)

Show 2 more
  • ECC registered design prevents data errors in server workloads
  • 64GB total capacity across two 32GB modules expands memory headroom
  • DDR4 3200 speed with CL22 latency matches Cisco UCS C4200 specifications
  • 2V operation reduces power draw in dense configurations
  • Replaces Cisco part numbers 15-107238-01, UCSMRX32G2RW and UCSXMRX32G2RW

Cisco UCS C4200 memory kit

This 64GB kit contains two 32GB DDR4 3200 ECC registered RDIMMs built for the Cisco UCS C4200 server. Each module runs at CL22 latency and 1.2V using a 2Rx4 organisation. The upgrade targets administrators who need to expand capacity on this specific platform.

Registered ECC build and 288-pin fit

Registered buffering and on-die ECC protect data integrity in multi-socket workloads. The 288-pin DDR4 form factor seats directly in the C4200 memory slots without adapters. No heat spreaders are fitted, so airflow clearance follows the chassis design. Mixing with unbuffered or load-reduced DIMMs is not supported.

Replaces Cisco 15-107238-01 and UCSMRX32G2RW

The kit substitutes Cisco part numbers 15-107238-01, UCSMRX32G2RW and UCSXMRX32G2RW. The jump is worthwhile when current memory limits virtual-machine density or database buffer size on the C4200. Buyers who need more than 64GB per channel or a different DDR generation cannot use this kit.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $399.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.25 per GB
Cheaper than about 63% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R4064P
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsCisco UCS C4200

Other versions of this model

5 more in the same range

Questions about this item

What DDR4 speed does the PC4-25600 rating on this kit actually run at?

The PC4-25600 rating corresponds to DDR4 3200, so the modules operate at 3200 MT/s when installed in the Cisco UCS C4200.

Will these 288-pin ECC Registered DIMMs fit the memory slots in a Cisco UCS C4200?

Yes, the 288-pin RDIMM form factor matches the Cisco UCS C4200 memory slots; the kit is built specifically for that server.

What is the correct way to install the two 32 GB modules in the Cisco UCS C4200?

Insert both DIMMs into the same channel pair as specified in the Cisco UCS C4200 service guide; a common mistake is populating mismatched channels.

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