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Four green DDR4 RDIMM modules with gold contacts and black chips

OWC

OWC 128GB (4x32GB) DDR4 2400 CL17 ECC Registered RDIMM Memory Upgrade Kit

SKU CH-C2DB-4AGYN

128 GB kit of four 32 GB DDR4 2400 CL17 ECC registered RDIMMs for Cisco UCS B200 M4 and C220 M4 servers

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • ECC registered design protects data integrity in server workloads
  • 128 GB kit with four 32 GB modules expands memory capacity
  • DDR4 2400 CL17 speed matches Cisco UCS B200 M4 and C220 M4 specifications
  • 2 V low-voltage operation reduces power draw in dense configurations
  • 288-pin RDIMM form factor ensures correct fit in compatible Cisco UCS servers

128GB DDR4 ECC RDIMM Kit for Cisco UCS

This 128GB kit contains four 32GB DDR4 2400 CL17 registered ECC modules built to PC4-19200 specification. Each 288-pin DIMM operates at 1.2V with a 2Rx4 rank configuration and no heat spreader. The modules are validated for Cisco UCS B200 M4 and C220 M4 servers.

Who This Suits and Who It Does Not

IT teams upgrading or repairing Cisco UCS B200 M4 or C220 M4 platforms will find direct compatibility with listed part numbers. Buyers needing unbuffered memory, load-reduced DIMMs, or modules for standard desktop boards should look elsewhere. Mixing this registered ECC kit with other memory types is not supported.

Deciding Specification: Registered ECC DDR4

The defining attribute is the registered ECC DDR4 2400 CL17 2Rx4 288-pin form factor at 1.2V. Only systems that explicitly require this exact combination of registration, error correction, speed, rank, voltage and pin count will accept the kit. Verify the platform memory list before ordering.

Puntos fuertes

  • ECC registered design protects data integrity in server workloads
  • 128 GB kit with four 32 GB modules expands memory capacity
  • DDR4 2400 CL17 speed matches Cisco UCS B200 M4 and C220 M4 specifications
  • 2 V low-voltage operation reduces power draw in dense configurations
  • 288-pin RDIMM form factor ensures correct fit in compatible Cisco UCS servers

Especificaciones

BrandOWC
Part Number2R4D42R4128S
Capacity128GB (4 x 32GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B200 M4
Cisco UCS C220 M4

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Preguntas sobre este artículo

How do I install the 288-pin ECC Registered DIMMs in a Cisco UCS B200 M4 without mixing them with unbuffered memory?

Power down the server, open the chassis, locate the DIMM slots for each CPU, and insert each 32 GB module until the ejector clips lock. Do not mix these registered DIMMs with unbuffered or load-reduced memory.

What maintenance or replacement will the 128 GB DDR4 kit need over its service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required. If a DIMM fails, replace the faulty 32 GB stick under the manufacturer's limited lifetime warranty.

What limit appears first when the 2400 MHz CL17 registered memory runs sustained workloads on a Cisco UCS C220 M4?

The memory controller caps throughput at DDR4-2400, so bandwidth saturates before thermal or voltage limits are reached.

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