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Two green DDR4 DIMMs with black chips and gold contacts

A-Tech

A-Tech 32GB (2x16GB) DDR4 2666MHz CL19 2Rx8 ECC UDIMM 1.2V 288-Pin Server RAM

SKU CH-8YW2-HR825

32 GB dual-channel ECC DDR4 kit with two 16 GB UDIMMs at 2666 MHz CL19 for server workloads

  • CAS latencyCL19
  • Memory rank2Rx8
  • 32 GB dual-channel kit expands server capacity
  • two 16 GB DDR4 modules at 2666 MHz
  • ECC UDIMM protects data integrity in critical workloads
  • 2 V standard voltage keeps power draw low
  • 288-pin 2Rx8 design fits compatible workstation slots

A-Tech 32GB DDR4 2666 ECC Kit

This 32GB kit contains two 16GB DDR4 2666MHz ECC unbuffered DIMMs built for servers and workstations. The modules run at 1.2V with a CAS latency of 19 and a dual-rank 2Rx8 organisation. They are designed to increase memory capacity and improve responsiveness in compatible enterprise systems.

DDR4 2666 ECC UDIMM Constraints

The memory operates at 2666MHz (PC4-21300) and requires a platform that supports DDR4 ECC unbuffered DIMMs. It will not function in desktop or laptop computers that lack ECC UDIMM support. The dual-rank 2Rx8 layout may affect maximum population rules on certain server motherboards.

Compatibility Check Before Ordering

Verify that your server or workstation motherboard accepts DDR4 ECC unbuffered 288-pin DIMMs at 2666MHz. Consult the system manual for supported memory configurations, slot population order, and maximum capacity per channel. Confirm the platform explicitly lists ECC UDIMM compatibility before purchasing.

How it compares

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

Price $268.99
Pricier than about 58% of the 6,523 comparable items (median $188.99).

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

Specifications

Memory
CAS latencyCL19
Memory rank2Rx8

Questions about this item

Should I choose the 32GB kit or buy single 16GB modules instead?

The 32GB kit contains two matched 16GB modules tested together for dual-channel operation, so you get the rated 2666MHz CL19 performance without mixing batches.

What does the 2666MHz rating actually deliver inside a server?

The modules run at 2666MHz with CL19 latency at 1.2V, providing the bandwidth and ECC error correction your server or workstation needs for data-integrity workloads.

Is the PC4-21300 label the same as DDR4-2666 and what does it limit?

Yes, PC4-21300 is the peak transfer rate for DDR4-2666; the kit caps at that speed and will down-clock if your platform only supports lower DDR4 frequencies.

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