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Green rectangular circuit board with gold edge contacts and black memory chips

OWC

OWC 32GB DDR4 2933MHz ECC Registered RDIMM 2Rx4 1.2V

SKU CH-842R-E405E

32 GB DDR4 ECC registered RDIMM running at 2933 MHz with CL21 latency and 1.2 V operation

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 32GB capacity at 2933MHz speeds demanding workloads
  • 2Rx4 dual-rank layout increases memory density
  • 2V operation reduces power draw
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems

Server Memory Upgrade

This OWC module provides 32GB of DDR4 ECC Registered RDIMM memory for servers, workstations and NAS systems. It operates at 2933MHz with CL21 latency and 1.2V voltage. The 2Rx4 dual-rank configuration uses 288-pin form factor. It replaces Supermicro part numbers MEM-DR432L-CL01-ER29, CL02-ER29 and CL03-ER29.

JEDEC Compliance Benefits

The module meets JEDEC-standard specifications and is ROHS compliant for a warranty-safe upgrade. ECC Registered technology detects and corrects single-bit errors to maintain data integrity in critical applications. Registered buffering reduces electrical load on the memory controller for stable operation with high module counts.

DDR4 Platform Constraints

This memory is not compatible with standard desktop computers and cannot be mixed with unbuffered modules. Backward compatibility supports 2133MHz, 2400MHz and 2666MHz bus speeds when installed in slower platforms. Buyers needing non-ECC memory or consumer desktop DIMMs must select a different product type.

Points forts

  • ECC registered design protects data integrity in servers
  • 32GB capacity at 2933MHz speeds demanding workloads
  • 2Rx4 dual-rank layout increases memory density
  • 2V operation reduces power draw
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems

Caractéristiques

BrandOWC
Part Number2R9D42R432GB
Capacity32GB
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 RDIMM need replacement after a certain number of write cycles?

ECC RDIMM modules do not have a write-cycle limit like flash storage; they are replaced only if a hardware fault appears or capacity needs grow.

What thermal limit appears first when this 1.2V DDR4 2933MHz module runs continuously in a server?

The registered buffer and DRAM are rated for standard JEDEC operating temperatures; sustained load will hit the chassis airflow limit before the module itself throttles.

How much heat and power does the 32GB 2Rx4 RDIMM add when the system runs all day?

At 1.2V the module draws only a few watts and has no heat spreader, so it relies on normal server airflow to stay within JEDEC thermal limits.

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