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Green printed circuit board with black memory chips and gold contacts

A-Tech

A-Tech 16GB DDR4 2666 ECC RDIMM 1Rx4 Hynix HMA82GR7 Server RAM

SKU CH-1DKH-KZD4W

16 GB DDR4 2666 ECC registered DIMM with 1Rx4 layout and CL19 latency at 1.20 V

  • Capacity16GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ECC protection safeguards data integrity with registered DDR4 design
  • 16 GB capacity expands server memory for heavier workloads
  • 2666 MHz speed delivers PC4-21300 bandwidth for responsive performance
  • 1Rx4 rank organisation optimises signal stability on 288-pin DIMM
  • 20 V operation matches standard DDR4 voltage for efficient power use

Server memory for registered ECC systems

This A-Tech module delivers 16 GB of DDR4 2666 registered ECC memory for servers and workstations that require error correction and signal buffering. It replaces several Hynix HMA82GR7 part numbers in a single 288-pin DIMM. The 1Rx4 organisation keeps the electrical load low while providing the full capacity in one slot.

Capacity and headroom at 2666 MT/s

At 16 GB the module handles typical virtualisation, database and multi-user workloads with comfortable headroom. CL19 latency at 2666 MT/s provides standard throughput for DDR4-2666 platforms. Systems needing more than 16 GB per slot or higher memory speeds will reach the limits of this part.

Registered ECC with 1Rx4 organisation

The registered ECC design and single-rank x4 layout are the decisive specifications for compatibility. Only motherboards that support registered DIMMs and the 1Rx4 configuration can use this module. Buyers whose systems require unbuffered memory or a different rank structure must choose another part.

Points forts

  • ECC protection safeguards data integrity with registered DDR4 design
  • 16 GB capacity expands server memory for heavier workloads
  • 2666 MHz speed delivers PC4-21300 bandwidth for responsive performance
  • 1Rx4 rank organisation optimises signal stability on 288-pin DIMM
  • 20 V operation matches standard DDR4 voltage for efficient power use

Caractéristiques

BrandA-Tech
Capacity16GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

Will this 2666 MHz DDR4 ECC RDIMM run at the speed of my existing slower DDR4 modules?

Yes, DDR4 modules automatically negotiate the highest common speed supported by all installed sticks, so this 2666 MHz module will downclock to match slower DDR4 DIMMs already in the system.

How can I confirm the 1Rx4 registered ECC module is operating correctly after installation?

Enter the system BIOS or UEFI and verify the memory shows 16 GB, 2666 MHz, CL19 timings, 1.20 V, and that ECC and registered status are both reported as active.

Does the single 288-pin DIMM ship with any extra parts or cables I need to buy separately?

No, the box contains only the 16 GB DDR4 2666 ECC RDIMM itself; no brackets, cables, or additional hardware are included or required for installation.

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