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Green rectangular DDR5 memory module with gold edge contacts and black chips on both sides no heat spreader visible

OWC

OWC 4R8D52R464GB 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM server RAM

SKU CH-S6ET-W5QKM

64 GB DDR5 4800 ECC registered RDIMM for server and workstation upgrades

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • 64GB capacity doubles server memory headroom for virtualization workloads
  • DDR5 4800 speed delivers 38400 MT/s bandwidth for data-intensive applications
  • ECC registered design corrects single-bit errors to protect critical data integrity
  • 2Rx4 dual-rank organization maximizes density per DIMM slot
  • 1V JEDEC-standard voltage reduces power draw in dense configurations

Capacity and platform fit

This 64 GB DDR5 module is built for workstations and servers that require ECC registered memory. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced DIMMs.

Sustained operation

Registered buffering and ECC correction keep data integrity intact during continuous workloads, while the 1.1 V JEDEC voltage helps maintain stable thermals over long periods.

Upgrade context

The part replaces Micron modules MTC36F2046S1PC48B, MTC40F2046S1RC48B and MTC40F2046S1RC48BR in existing DDR5 4800 systems. The jump is worthwhile when expanding capacity with matched 64 GB sticks for optimal performance.

Points forts

  • 64GB capacity doubles server memory headroom for virtualization workloads
  • DDR5 4800 speed delivers 38400 MT/s bandwidth for data-intensive applications
  • ECC registered design corrects single-bit errors to protect critical data integrity
  • 2Rx4 dual-rank organization maximizes density per DIMM slot
  • 1V JEDEC-standard voltage reduces power draw in dense configurations

Caractéristiques

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions sur cet article

How much power does this 1.1 V DDR5 4800 CL40 module draw when running continuously?

The module operates at 1.1 V, which is the standard DDR5 voltage, keeping power draw low during all-day server workloads.

What motherboard slot and memory type are required to install this 288-pin RDIMM?

You need a server or workstation board with DDR5 288-pin RDIMM slots that support ECC Registered memory; it will not work in standard desktop systems.

Can I mix this 2Rx4 ECC Registered stick with other DDR5 ECC Registered modules of different rank or capacity?

The manufacturer recommends using identical capacity, speed and rank modules for optimal performance, so mixing different 2Rx4 or 1Rx4 sticks is not advised.

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