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Green circuit board DIMM with black memory chips and silver edge connectors

Total Micro Technologies

Total Micro Technologies A9781929-TM 32GB DDR4 2666 ECC Registered DIMM desktop RAM

SKU CH-MD2F-RK3KN MPN A9781929-TM

32GB DDR4 ECC registered DIMM running at 2666 MHz with 288-pin form factor and Intel XMP 2.0 support

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCECC
  • BIOS/Performance ProfileIntel XMP 2.0
  • 32 GB capacity supports large workloads and multitasking
  • DDR4 2666 MHz speed delivers fast data throughput
  • ECC protection detects and corrects memory errors
  • Registered signal processing improves stability for heavy loads
  • Intel XMP 2.0 profile enables simple BIOS configuration

32 GB DDR4-2666 ECC Registered DIMM

This 32 GB DDR4-2666 module provides ECC error correction and registered signal processing for stable desktop workloads. It targets users who need data integrity on platforms that support registered memory. The PC4-21300 rating confirms the 2666 MHz operating speed. Intel XMP 2.0 support allows automatic configuration on compatible motherboards.

288-pin DIMM installation and common issues

The 288-pin DIMM fits standard desktop DDR4 slots and seats with even pressure until the retention clips click. Registered modules add electrical load, so the memory controller must explicitly support registered DIMMs or the system will not post. Mixing registered and unbuffered sticks on the same board prevents boot. ECC functions only when the platform enables it in firmware.

Pre-order platform checks

Verify that your motherboard and CPU support DDR4 registered ECC memory before ordering. Confirm the firmware version includes the option to enable ECC error checking. Ensure the memory controller accepts the registered signal processing used by this module. Check that the board provides enough DDR4 slots for the desired total capacity.

Highlights

  • 32 GB capacity supports large workloads and multitasking
  • DDR4 2666 MHz speed delivers fast data throughput
  • ECC protection detects and corrects memory errors
  • Registered signal processing improves stability for heavy loads
  • Intel XMP 2.0 profile enables simple BIOS configuration

Specifications

BrandTotal Micro
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
ECCECC
BIOS/Performance ProfileIntel XMP 2.0
Shipping weight0.09 kg
Package size178 × 127 × 51 mm

Questions about this item

Will this module work in a motherboard that only supports unbuffered memory?

No, the module is registered and requires a motherboard that explicitly supports registered DIMMs.

Does the kit include any cooling solution or heatspreader?

The specifications list only the memory chips and PCB; no heatspreader or cooling accessory is mentioned.

Can I enable the rated 2666 MHz speed without manually entering timings in the BIOS?

The module carries an Intel XMP 2.0 profile, so a compatible motherboard can apply the rated speed and timings automatically.

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