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Green rectangular DDR4 memory module with gold edge connectors and black chips on both sides

SK hynix

SK hynix HMA82GU7CJR8N-VK 16GB DDR4 2666MHz CL19 ECC Registered 1.2V 2Rx8 288-pin server RAM

SKU CH-HD4J-KBJX8

16 GB DDR4 server memory with ECC, registered design, CL19 latency, 2666 MHz speed and 1.2 V operation

  • 16 GB capacity supports larger server workloads
  • 2666 MHz data rate keeps throughput steady
  • ECC registered design corrects single-bit errors
  • 2 V operation reduces power draw
  • 288-pin DDR4 form factor fits standard server slots

16 GB DDR4 ECC Registered module

This 16 GB DDR4 server memory module runs at 2666 MHz with CL19 latency. It uses ECC registered technology and a 2Rx8 organisation for data integrity in multi-socket systems. The 1.2 V operating voltage matches standard DDR4 server specifications. It is built for servers and workstations that require registered DIMMs.

Installation and common issues

The 288-pin DIMM installs vertically into a compatible registered DIMM slot. Alignment notches prevent reversed insertion, but the module will not function in unbuffered desktop motherboards. Forcing it into a non-ECC slot can damage the socket or the module. Always seat the DIMM until both retention clips click securely.

Compatibility checks before ordering

Verify that your motherboard supports DDR4 registered ECC memory and accepts 2Rx8 modules at 2666 MHz. Confirm the maximum capacity per slot and the total number of registered DIMMs the platform allows. Check the qualified vendor list for this part number or an equivalent PC4-21300 specification. Ensure the system BIOS is updated to recognise the module correctly.

Highlights

  • 16 GB capacity supports larger server workloads
  • 2666 MHz data rate keeps throughput steady
  • ECC registered design corrects single-bit errors
  • 2 V operation reduces power draw
  • 288-pin DDR4 form factor fits standard server slots

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the 2666MHz ECC Registered module is running correctly after installation?

Enter the server BIOS or use a hardware monitoring tool to verify the memory reports 16GB at 2666MHz with ECC active and CL19 timings.

What comes with the HMA82GU7CJR8N-VK and is anything else required?

The box contains the 16GB 288-pin DDR4 DIMM only; no cables, brackets or additional components are needed for installation.

Should I choose the 2Rx8 16GB version or a different capacity for my server?

Select this 2Rx8 16GB module when your platform requires registered ECC DDR4 at 2666MHz; match total capacity to your motherboard's maximum supported memory.

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