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Green 288-pin DDR4 RDIMM module with black chips no heat spreader

OWC

OWC 64GB DDR4 2933MHz ECC Registered RDIMM 2Rx4 1.2V Hynix HMAA8GR7AJR4N-WM HMAA8GR7MJR4N-WM Server RAM

SKU CH-D1MQ-WP3A2

64GB DDR4 2933MHz ECC registered RDIMM with CL21 latency, 1.2V operation and 2Rx4 rank for server and workstation upgrades

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • 64GB capacity supports memory-intensive server applications
  • 2933MHz speed with CL21 latency delivers responsive performance
  • Registered 2Rx4 design ensures stability in multi-module configurations
  • 2V operation reduces power draw and heat output

Server-grade ECC RDIMM for workstations

This 64GB DDR4 module runs at 2933MHz with CL21 latency and registered ECC. It is built for servers, workstations and NAS systems that require error-correcting registered memory. Standard desktop platforms cannot use this module, and it must not be mixed with unbuffered DIMMs.

Sustained throughput at JEDEC voltages

Operating at the standard 1.2V, the module maintains its rated PC4-23400 bandwidth continuously under load. Backward compatibility with 2133MHz, 2400MHz and 2666MHz buses lets it slot into older DDR4 channels without down-clocking surprises.

288-pin registered form factor

The 2Rx4 dual-rank layout fits the 288-pin RDIMM socket used in qualified server boards. No heat spreader is fitted, so airflow in dense chassis is unimpeded. JEDEC and RoHS compliance ensures a warranty-safe upgrade for OEM-qualified platforms.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • 64GB capacity supports memory-intensive server applications
  • 2933MHz speed with CL21 latency delivers responsive performance
  • Registered 2Rx4 design ensures stability in multi-module configurations
  • 2V operation reduces power draw and heat output

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

How much power does the 1.2V DDR4 2933MHz ECC registered RDIMM draw when the server runs continuously?

The module operates at the standard DDR4 voltage of 1.2V. Registered ECC RDIMMs of this density typically draw a few watts per stick under load, so total power scales with the number of modules installed.

What must the system already provide for this 288-pin DDR4 2933MHz ECC registered RDIMM to function?

A server or workstation motherboard with DDR4 RDIMM slots, a CPU and chipset that support ECC registered memory, and a BIOS that can initialise 2Rx4 modules at up to 2933MHz.

Will this 2933MHz CL21 2Rx4 registered ECC module run stably alongside existing 2133MHz, 2400MHz or 2666MHz DDR4 RDIMMs?

Yes. The module is backward compatible with 2133MHz, 2400MHz and 2666MHz speeds; the system will clock all installed RDIMMs to the lowest common speed and matching timings.

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