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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 64GB DDR4-2933 ECC Registered RDIMM 2Rx4 CL21 1.2V Server RAM

SKU CH-ZE8Z-102F1

64GB DDR4-2933 ECC registered RDIMM with CL21 latency and 1.2V operation for servers and workstations

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • 64 GB capacity lets servers handle larger workloads
  • DDR4 2933 MHz speed with CL21 latency supports fast data access
  • ECC registered design detects and corrects memory errors
  • 2 V operation reduces power draw in dense configurations
  • Compatible with 2133, 2400 and 2666 MHz systems for flexible upgrades

Server ECC Registered RDIMM

This 64GB DDR4-2933 ECC Registered RDIMM is built for servers, workstations and NAS systems that require registered memory with error correction. It will not work in standard desktop computers and cannot be mixed with unbuffered modules.

JEDEC Compliant 1.2V Operation

The module meets JEDEC PC4-23400 specifications at 1.2V and is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds. ROHS compliance and warranty-safe design allow it to replace Supermicro MEM-DR464L-CL01-ER29 and MEM-DR464L-HL02-ER29 parts without changing platform firmware.

288-Pin Keyed Installation

The 288-pin RDIMM form factor keys into registered DIMM slots so it cannot be inserted into unbuffered sockets. Installers must populate slots in the order specified by the motherboard manual and verify that the BIOS recognises the full 64GB capacity per module.

Points forts

  • 64 GB capacity lets servers handle larger workloads
  • DDR4 2933 MHz speed with CL21 latency supports fast data access
  • ECC registered design detects and corrects memory errors
  • 2 V operation reduces power draw in dense configurations
  • Compatible with 2133, 2400 and 2666 MHz systems for flexible upgrades

Caractéristiques

BrandOWC
Part Number2R9D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions sur cet article

Will the 2Rx4 ECC registered DIMM need any firmware updates or periodic re-seating?

No firmware updates or scheduled re-seating are required for this 64 GB DDR4-2933 module; the ECC and register logic is handled by the memory controller once the DIMM is seated in a compatible 288-pin slot.

What limit appears first when the module runs at 2933 MHz continuously in a server chassis?

The thermal envelope of the unbuffered 1.2 V DRAM without a heat spreader becomes the first constraint under sustained full-load bandwidth in typical server airflow.

How much extra noise or heat does this 64 GB stick add when the system runs all day?

The module draws 1.2 V with no onboard fan or spreader, so it adds negligible acoustic noise and only modest heat that standard server airflow dissipates.

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