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Green circuit board with black memory chips, no heat spreader, 288-pin DDR5 RDIMM module

OWC

OWC 64GB DDR5 5600 CL46 2Rx4 288-pin ECC Registered RDIMM memory upgrade

SKU CH-B77Z-DRB9A

64 GB DDR5-5600 ECC registered RDIMM for Supermicro SuperServer SYS-611C-TN4R, SYS-621BT-DNC8R, SYS-621BT-DNTR, SYS-621BT-HNC8R and SYS-621BT-HNTR

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 5600 (PC5 44800)
  • CAS Latency46
  • Voltage1.1V
  • ECCYes

Capacity 64GB

  • 64 GB capacity lets you run larger workloads on supported Supermicro servers
  • DDR5 5600 speed with CL46 latency delivers high-throughput data handling
  • ECC registered design detects and corrects errors for reliable server operation
  • 1 V operating voltage reduces power draw in dense memory configurations
  • Validated for SYS-611C-TN4R and SYS-621BT series for warranty-safe upgrades

Server memory upgrade

This 64 GB DDR5 5600 module is an ECC registered RDIMM built for specific Supermicro SuperServer platforms. It targets administrators who need to expand memory capacity in the SYS-611C-TN4R or SYS-621BT series. The single stick operates at 1.1 V with a CL46 latency and a 2Rx4 rank configuration. No heat spreader is included.

Workstation and server builders

The module suits users upgrading compatible Supermicro servers that require registered ECC memory. It will not work in standard desktop computers or consumer motherboards. Buyers who need unbuffered or load-reduced DIMMs must select a different memory type. Mixing this registered stick with incompatible memory types is not supported.

DDR5 5600 registered ECC

The decisive specification is the DDR5 5600 registered ECC RDIMM form factor with CL46 timing. Only systems qualified for this exact registered ECC standard can use the module. Verifying the server model against the supported list is essential before purchase. The 288-pin design fits only DDR5 registered slots.

Points forts

  • 64 GB capacity lets you run larger workloads on supported Supermicro servers
  • DDR5 5600 speed with CL46 latency delivers high-throughput data handling
  • ECC registered design detects and corrects errors for reliable server operation
  • 1 V operating voltage reduces power draw in dense memory configurations
  • Validated for SYS-611C-TN4R and SYS-621BT series for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number5R6D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 5600 (PC5 44800)
CAS Latency46
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemSupermicro SuperServer SYS-611C-TN4R
Supermicro SuperServer SYS-621BT-DNC8R
Supermicro SuperServer SYS-621BT-DNTR
Supermicro SuperServer SYS-621BT-HNC8R
Supermicro SuperServer SYS-621BT-HNTR

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Questions sur cet article

Is this a single 64GB module or a kit of multiple sticks?

It is a single 64GB DDR5 5600 CL46 2Rx4 288-pin ECC Registered RDIMM module.

What real-world bandwidth does the PC5-44800 rating deliver?

The PC5-44800 rating corresponds to a peak transfer rate of 44800 MB/s at 5600 MT/s.

Will this registered ECC DDR5 work in a standard desktop motherboard?

No, registered ECC DDR5 RDIMMs require a workstation or server platform that supports registered memory; they are not compatible with standard desktop boards.

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