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Green printed circuit board with gold edge contacts and black memory chips, no heat spreader

OWC

OWC 16GB DDR4 2933MHz ECC Registered RDIMM 2Rx8 CL21 1.2V Server RAM

SKU CH-X8D9-FE3QT

16 GB DDR4 ECC registered RDIMM running at 2933 MHz with CL21 latency and 1.2 V operation for servers and workstations

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • Registered design enables stable operation in multi-module server configurations
  • 2933 MHz speed with CL21 latency delivers responsive performance
  • 2 V DDR4 voltage reduces power draw and heat output
  • Backward compatible with 2133, 2400 and 2666 MHz systems for flexible deployment

OWC 16GB DDR4 2933MHz ECC RDIMM

This OWC module provides 16GB of DDR4 2933MHz registered ECC memory. It uses a 288-pin RDIMM form factor with 2Rx8 organisation, CL21 latency and 1.2V operation. The part matches Supermicro MEM-DR416L-HL05-ER29 and MEM-DR416LD-ER29 specifications for direct replacement in qualified systems.

Fits servers, workstations and NAS only

Suitable for systems that require registered ECC DDR4 DIMMs and support 2933MHz or lower JEDEC speeds. Not for standard desktop PCs or consumer laptops that accept only unbuffered non-ECC memory. Cannot be mixed with unbuffered modules in the same platform.

Registered ECC DDR4 288-pin requirement

The single specification that decides compatibility is the registered ECC RDIMM interface. The motherboard and CPU must support registered DDR4 ECC at 288 pins; unbuffered slots will not accept this module. Backward compatible with 2133MHz, 2400MHz and 2666MHz DDR4 registered ECC configurations.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • Registered design enables stable operation in multi-module server configurations
  • 2933 MHz speed with CL21 latency delivers responsive performance
  • 2 V DDR4 voltage reduces power draw and heat output
  • Backward compatible with 2133, 2400 and 2666 MHz systems for flexible deployment

Caractéristiques

BrandOWC
Part Number2R9D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo

Questions sur cet article

What type of motherboard slot does this 288-pin DDR4 RDIMM require?

It fits a DDR4 RDIMM slot on a server or workstation motherboard that supports registered ECC memory.

Can this 2933MHz module run with my existing 2400MHz DDR4 ECC RDIMMs?

Yes, it is backward compatible with 2133MHz, 2400MHz and 2666MHz DDR4 ECC registered DIMMs; the system will run all modules at the lowest common speed.

How can I verify the module is detected at 2933MHz with ECC active after installation?

Check the BIOS memory information or the OS memory report — it should show 16GB, 2933MHz, CL21 and ECC enabled.

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