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Green circuit board with black memory chips and gold edge connector

Axiom

Axiom 16GB 260-Pin DDR4 SO-DIMM ECC 2666 (PC4 21300) 3TQ38AA-AX memory card

SKU CH-G2TS-WZYFZ MPN 3TQ38AA-AX

16 GB DDR4 SO-DIMM ECC memory module running at 2666 MHz with 260 pins

  • ECC protection guards data integrity with DDR4 error-correcting code
  • 16 GB capacity supports larger workloads in a single module
  • 2666 MT/s speed delivers responsive DDR4 bandwidth
  • 260-pin SO-DIMM form factor fits compact notebook slots
  • PC4 21300 rating confirms peak transfer performance

Axiom 16 GB DDR4 SO-DIMM ECC

This Axiom module provides 16 GB of DDR4 ECC memory in a 260-pin SO-DIMM form factor. It is intended for compatible laptops or compact workstations that require error-correcting code support for data integrity. The PC4-21300 rating indicates a 2666 MT/s transfer rate. Buyers needing non-ECC memory or a different capacity should verify their platform requirements first.

Thermals noise and power draw

Standard DDR4 SO-DIMM modules operate within JEDEC voltage limits and produce minimal heat during typical workloads. No active cooling is required and acoustic output is negligible in normal use. Power consumption scales with frequency and load but remains low for this form factor. System airflow is generally sufficient to maintain stable temperatures.

Upgrade considerations

This module replaces a lower-capacity or non-ECC SO-DIMM in systems that support ECC memory and the PC4-21300 speed grade. The jump is worthwhile when workloads demand greater memory capacity or error correction for critical data. Compatibility depends on the platform’s memory controller and BIOS support for ECC SO-DIMMs. Users should confirm slot availability and maximum supported memory per slot before purchasing.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $282.99
Pricier than about 90% of the 1,947 comparable items (median $46.99).

Specifications

Product
Brand nameAxiom

Questions about this item

How is the 260-pin SO-DIMM installed and what step is often missed?

Align the notch with the slot key, insert at an angle, then press down until both side clips click. The step often missed is confirming both clips fully engage.

What maintenance or replacement will the 16GB ECC module need later?

No routine maintenance is required. Replace the module only if memory diagnostics report uncorrectable errors or the system fails to recognise the 16GB capacity.

What limit appears first during sustained use of the DDR4 2666 memory?

The thermal limit of the SO-DIMM PCB typically appears first under sustained load, causing the controller to throttle before the 2666 MT/s data rate can be maintained.

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