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Green rectangular DIMM module with black chips and gold contacts

Hynix

Hynix HMA84GR7AFR4N-VK 32GB DDR4-2666 ECC REG DIMM desktop RAM

SKU CH-R2AQ-4H2P3

32 GB DDR4-2666 ECC registered DIMM with CL19 latency for servers and workstations

  • Capacity32GB
  • ECCECC
  • 32 GB capacity handles large workloads
  • DDR4-2666 speed delivers 21300 MB/s bandwidth
  • ECC with registered signal processing protects data integrity
  • CL19 latency at 1.20 V balances responsiveness and efficiency
  • 288-pin DIMM fits standard server and workstation slots

Hynix 32GB DDR4-2666 ECC Registered DIMM

This single-module kit delivers 32GB of DDR4 memory at 2666MHz with CL19 latency. It uses registered signal processing and on-board ECC for data integrity. The 1.20V operating voltage keeps power draw modest. It targets workstations and servers that require validated error correction.

Sustained-load behaviour with registered ECC

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC detects and corrects single-bit errors without halting the system. The DDR4-2666/PC4-21300 rating ensures consistent throughput across long compute sessions. Stability is prioritised over low-latency bursts.

288-pin DIMM build and daily handling

The module follows the standard 288-pin DIMM form factor measuring 5.3" by 1.2" with a 4" thickness. RoHS certification confirms restricted-substance compliance. One 32GB stick occupies a single slot, leaving room for future expansion. Weight is approximately 1.60oz for easy installation.

Highlights

  • 32 GB capacity handles large workloads
  • DDR4-2666 speed delivers 21300 MB/s bandwidth
  • ECC with registered signal processing protects data integrity
  • CL19 latency at 1.20 V balances responsiveness and efficiency
  • 288-pin DIMM fits standard server and workstation slots

Specifications

Capacity32GB
ECCECC

Questions about this item

How much heat and power does the 1.20 V DDR4-2666 module draw when running continuously?

The module operates at 1.20 V and is rated for DDR4-2666 speed; registered ECC DIMMs of this voltage typically draw a few watts per stick under sustained load.

What motherboard slot and platform support is required for this 288-pin registered ECC DIMM?

It needs a DDR4 288-pin DIMM slot on a workstation or server platform that supports registered memory and ECC functionality.

Will this CL19 registered stick work alongside older unbuffered DDR4 modules I already have?

Registered and unbuffered DIMMs cannot be mixed on the same motherboard; the system requires all slots to use registered modules.

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