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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

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 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.

Highlights

  • 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

Specifications

BrandSuperMicro
SeriesSupermicro Certified
ModelMEM-DR432L-SL03-ER26
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetSamsung Chipset
FeaturesSupermicro Certified MEM-DR432L-SL03-ER26 (M393A4K40CB2-CTD)

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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