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Green rectangular DDR4 DIMM with black chips and gold contacts

SK hynix

SK hynix HMA81GR7AFR8N-UH 8GB DDR4 2666 ECC REG server RAM

SKU CH-VKCZ-36GQ6

8GB DDR4 2666 ECC registered DIMM running at 1.20V for server workloads

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 8GB capacity supports demanding server workloads
  • DDR4 2666 speed delivers 21300 bandwidth
  • ECC registered design protects data integrity
  • 20V operation reduces power consumption
  • New condition ensures full manufacturer specification

8 GB DDR4 2666 ECC Registered Server Memory

This module provides 8 GB of DDR4 memory rated at 2666 MT/s with ECC and registered buffering. It operates at the standard 1.20 V voltage for DDR4 server platforms. The part is designed for servers and workstations that require error correction and signal integrity across multiple DIMMs per channel.

DDR4 2666 bandwidth and registered buffering

The DDR4 2666 interface delivers a peak transfer rate of PC4 21300. Registered buffering adds one clock cycle of latency but reduces the electrical load on the memory controller, allowing higher total capacities per channel. Systems that do not support registered DIMMs or ECC will not be able to use this module.

Verify platform support for registered ECC DDR4

Confirm that your motherboard and processor explicitly support DDR4 registered ECC memory at 2666 MT/s or at a compatible lower speed such as 2400 MT/s. Check the qualified vendor list and the maximum number of registered DIMMs per channel for your specific platform. Unbuffered or non ECC boards will not accept this module.

Puntos fuertes

  • 8GB capacity supports demanding server workloads
  • DDR4 2666 speed delivers 21300 bandwidth
  • ECC registered design protects data integrity
  • 20V operation reduces power consumption
  • New condition ensures full manufacturer specification

Especificaciones

Capacity8GB
SpeedDDR4 2666 (PC4 21300)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered

Preguntas sobre este artículo

Is this module available in capacities other than 8GB?

This listing is for the 8GB HMA81GR7AFR8N-UH only; other capacities would carry different part numbers.

Will the DDR4 2666 rating actually run at 2666 MT/s in my server?

The module is rated for 2666 MT/s (PC4-21300) at 1.20V; the final speed depends on the platform's memory controller and DIMM population.

Does the registered DDR4 interface limit the maximum memory speed I can reach?

Registered DDR4-2666 modules operate up to 2666 MT/s; the platform's qualified-vendor list and DIMM count determine the supported ceiling.

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