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OWC

OWC 64GB DDR5 5600 ECC Registered RDIMM CL46 2Rx4 1.1V 288-pin memory upgrade

SKU CH-HVTM-2V33C

A 64GB DDR5 5600 ECC registered RDIMM for Supermicro SuperServer systems

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

Capacity 64GB

  • 64 GB DDR5 module doubles server memory capacity
  • ECC registered design detects and corrects data errors automatically
  • 5600 MT/s speed with CL46 latency keeps throughput high
  • 1 V operation reduces power draw per module
  • Validated for Supermicro SYS-221BT-HNTR and four other SuperServer models

Server-grade ECC RDIMM for Supermicro SuperServer

This 64 GB DDR5-5600 registered DIMM is built for workstations, NAS systems, servers and network switches that require ECC registered memory. It operates at 1.1 V with CL46 latency and a 2Rx4 organisation. The module is not compatible with standard desktop computers and must not be mixed with unbuffered or load-reduced ECC memory.

Sustained-load behaviour in multi-DIMM server

Registered buffering reduces electrical load on the memory controller, allowing stable operation when all slots are populated under continuous workloads. ECC corrects single-bit errors on the fly, protecting data integrity during long compute or storage tasks. JEDEC-standard timings and voltage ensure consistent throughput without relying on overclocking headroom.

Verify your Supermicro model

Confirm the exact SuperServer model — SYS-221BT-HNTR, SYS-221GE-NR, SYS-221GE-TNHT-LCC, SYS-221HE-FTNR or SYS-221HE-FTNRD — before ordering. Check the system documentation for maximum supported capacity per channel, allowed rank mixes and whether 2Rx4 modules are approved for your planned slot layout.

Points forts

  • 64 GB DDR5 module doubles server memory capacity
  • ECC registered design detects and corrects data errors automatically
  • 5600 MT/s speed with CL46 latency keeps throughput high
  • 1 V operation reduces power draw per module
  • Validated for Supermicro SYS-221BT-HNTR and four other SuperServer models

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-221BT-HNTR
Supermicro SuperServer SYS-221GE-NR
Supermicro SuperServer SYS-221GE-TNHT-LCC
Supermicro SuperServer SYS-221HE-FTNR
Supermicro SuperServer SYS-221HE-FTNRD

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Questions sur cet article

How much power does the 64GB DDR5 5600 module draw at its 1.1V operating voltage?

At 1.1V the 64GB DDR5 5600 ECC Registered RDIMM runs at the JEDEC standard voltage, keeping power draw low during continuous server workloads.

Which specific Supermicro SuperServer models must the buyer already own for this 288-pin RDIMM to be compatible?

This module is validated for Supermicro SuperServer SYS-221BT-HNTR, SYS-221GE-NR, SYS-221GE-TNHT-LCC, SYS-221HE-FTNR and SYS-221HE-FTNRD.

Can the 2Rx4 registered ECC DIMM be mixed with older unbuffered or load-reduced memory already installed in the server?

No — the 2Rx4 registered ECC design cannot be mixed with unbuffered or load-reduced modules; all slots must use matching registered ECC memory.

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