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Green circuit board with gold contacts and black memory chips, no heat spreader

OWC

OWC 64GB DDR4 2400 PC4-19200 CL17 4Rx4 288-pin 1.2V ECC Load Reduced LRDIMM memory upgrade

SKU CH-SMMY-Y7D6W

A single 64GB DDR4 2400 ECC load-reduced DIMM for Cisco UCS B200 M4 and C220 M4 servers

  • Capacity64GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes

Capacity 64GB

  • ECC load-reduced design protects data integrity in servers
  • 64 GB single module maximises capacity per slot
  • DDR4 2400 CL17 at 1.2 V balances speed and efficiency
  • Validated for Cisco UCS B200 M4 and C220 M4
  • Backward compatible with 2133 MHz systems

Server Memory Upgrade

This 64GB DDR4 LRDIMM module is built for Cisco UCS B200 M4 and C220 M4 servers. It delivers ECC load-reduced operation at 2400MHz with a CL17 latency. The single 64GB stick targets administrators who need maximum capacity per slot in compatible enterprise platforms.

288-Pin Load-Reduced Design

The module uses a 288-pin DDR4 form factor without a heat spreader and runs at 1.2V. Load-reduced buffering reduces electrical load on the memory controller, allowing higher densities than standard registered DIMMs. It cannot be mixed with unbuffered or standard registered ECC memory in the same system.

DDR4 2400 Platform Limits

The PC4-19200 interface caps bandwidth at the DDR4 2400 data rate, with backward compatibility to 2133MHz systems. Capacity scaling is limited by the server's maximum supported memory per socket and total slot count. Buyers needing higher frequencies or desktop compatibility must choose a different memory type.

Puntos fuertes

  • ECC load-reduced design protects data integrity in servers
  • 64 GB single module maximises capacity per slot
  • DDR4 2400 CL17 at 1.2 V balances speed and efficiency
  • Validated for Cisco UCS B200 M4 and C220 M4
  • Backward compatible with 2133 MHz systems

Especificaciones

BrandOWC
Part Number2L4D44R464GB
Capacity64GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B200 M4
Cisco UCS C220 M4

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Preguntas sobre este artículo

Does the DDR4-2400 PC4-19200 interface also run at 2133MHz in compatible servers?

Yes, the module is backward compatible and will operate at 2133MHz when installed in systems that only support that speed.

What physical slot and form factor does the 288-pin LRDIMM require?

It fits a standard 288-pin DDR4 DIMM slot in a Cisco UCS B200 M4 or C220 M4 server; no heat spreader is present.

How is the single 64GB LRDIMM installed, and what mixing rule must be followed?

Insert the module into an empty DDR4 slot, then ensure you do not mix it with unbuffered or standard registered ECC DIMMs in the same system.

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