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Green rectangular circuit board with gold edge connectors and black memory chips

A-Tech

A-Tech 16GB DDR4 2666 ECC RDIMM 2Rx8 for Hynix HMA82GR7AFR8N-VK server RAM

SKU CH-S9B7-JESB1

16GB DDR4 2666 ECC RDIMM 2Rx8 server memory module with CL19 latency and 1.2V operation

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 16 GB capacity expands server memory headroom for heavy workloads
  • DDR4 2666 MHz speed delivers high bandwidth for data-intensive tasks
  • ECC registered design detects and corrects single-bit errors automatically
  • 20 V operation reduces power draw and heat in dense configurations
  • 2Rx8 organisation with major-brand chips ensures stable signal integrity

16 GB DDR4-2666 ECC RDIMM for servers

This 16 GB registered DIMM runs at DDR4-2666 with CL19 latency and 1.20 V operation. It uses a 2Rx8 organisation and major-brand chips on a 288-pin module. The memory is built for server and workstation platforms that require error-correcting registered memory.

Verify DDR4 RDIMM support and slot availability

Confirm that your system accepts DDR4 registered ECC DIMMs at 2666 MT/s and has a free 288-pin slot. Check the qualified vendor list or manual for 2Rx8 population rules and maximum per-channel capacity. The module is a direct replacement for the listed Hynix part numbers.

Suits admins expanding ECC capacity on validated

Ideal for administrators adding reliable ECC capacity to compatible servers or workstations. Not suited for desktop boards that only accept unbuffered non-ECC memory. Buyers who need higher densities, different speeds or unregistered modules should look elsewhere.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $132.99
Cheaper than about 59% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $8.31 per GB
Pricier than about 59% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

Does the single 16GB DDR4 2666 ECC RDIMM ship alone or with extra parts?

The module arrives as a single 288‑pin DIMM; no cables, brackets or additional memory sticks are included.

I see several Hynix part numbers listed — which one does this A-Tech module replace?

It is a compatible equivalent for HMA82GR7AFR8N-VK, HMA82GR7CJR8N-VK, HMA82GR7DJR8N-VK, HMA82GR7JJR8N-VK and HMA82GR7MFR8N-VK.

What does the 2666 MT/s rating mean once the stick is installed in a server?

The memory runs at 2666 MT/s with CL19 latency at the standard 1.20 V DDR4 voltage, delivering PC4‑21300 bandwidth in a registered ECC configuration.

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