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Green rectangular DDR4 RDIMM module with black memory chips and gold edge connectors

A-Tech

A-Tech 32GB DDR4 2666MHz CL19 ECC Registered 2Rx4 288-Pin Server RAM

SKU CH-4VRY-QMD9Q

32 GB DDR4 ECC Registered RDIMM running at 2666 MHz CL19 with Samsung chips and Supermicro certification

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetSamsung Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 32GB capacity handles large workloads and virtualization
  • DDR4 2666MHz speed accelerates data throughput
  • CL19 latency with 1.20V voltage balances response and efficiency
  • ECC registered 2Rx4 design protects data integrity in servers
  • Supermicro certified with Samsung chipset ensures validated compatibility

Supermicro-Certified 32 GB Server Memory

This 32 GB DDR4 module runs at 2666 MHz with CL19 latency and operates at the standard 1.2 V. It uses a Samsung chipset in a registered 2Rx4 configuration and carries Supermicro certification for validated compatibility with qualified platforms.

Suited for servers needing ECC registered DIMMs

Ideal for administrators expanding capacity in Supermicro-qualified systems that require registered ECC memory. Not suited for desktop or consumer boards that only accept unbuffered non-ECC modules, nor for platforms limited to lower-density or single-rank DIMMs.

Steady throughput under sustained workloads

Registered buffering and ECC correction maintain data integrity during continuous multi-threaded operation. The 1.2 V DDR4 standard voltage keeps power draw consistent across extended duty cycles without thermal throttling.

How it compares

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

Price $172.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $5.41 per GB
Cheaper than about 70% 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 nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR432L-SL03-ER26
Total capacity32 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V

Questions about this item

My motherboard only has DDR4 slots — will this 288-pin RDIMM fit?

Yes, the module uses the standard DDR4 288-pin RDIMM form factor that fits any DDR4 RDIMM slot.

I plan to keep my existing 2666 MHz CL19 ECC registered sticks — will this module run at the same speed and timings?

The module is rated DDR4 2666 PC4-21300 CL19 at 1.20 V, so it matches the speed, latency and voltage of identical spec kits.

How can I confirm the system sees the full 32 GB and ECC after installation?

Check the BIOS memory information or run a tool such as dmidecode — it should report 32 GB, DDR4 2666, ECC Registered, 2Rx4 organisation.

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