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Green circuit board with black memory chips, no heat spreader, 262-pin DDR5 SODIMM form factor

A-Tech

A-Tech 16GB DDR5 4800 ECC SODIMM 1Rx8 for Samsung M426R2GA3BB0-CQK server RAM

SKU CH-40HR-RRF5T

16 GB DDR5 4800 ECC SODIMM for Samsung M426R2GA3BB0-CQK microserver memory

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetSamsung Chipset
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • 16 GB DDR5 4800 MHz ECC SODIMM for microserver workloads
  • Error-correcting code protects data integrity in critical applications
  • 1Rx8 single-rank organisation keeps latency low
  • Standard 1.10 V DDR5 voltage reduces power draw
  • 262-pin SO-DIMM form factor fits compatible Samsung M426R2GA3BB0-CQK systems

16GB DDR5 ECC SODIMM for Samsung M426R2GA3BB0-CQK

This 16GB DDR5 4800 module is built as a direct replacement for the Samsung M426R2GA3BB0-CQK. It targets microserver, server and workstation users who need error-correcting memory in a compact SO-DIMM form factor. The unbuffered 1Rx8 design uses Samsung DRAM chips and runs at the standard 1.10V.

Build integration and slot requirements

The module fits a 262-pin DDR5 SO-DIMM slot and operates at PC5-38400 speed with CL40 latency. ECC capability adds data integrity for always-on workloads without requiring registered DIMM support. No heat spreader is fitted, so clearance is minimal and airflow from the chassis is sufficient.

Ideal for ECC SO-DIMM upgrades.

Buyers upgrading compatible Samsung-based microservers or NAS units will match the original spec exactly. Systems that accept only non-ECC memory, standard desktop UDIMM slots, or registered DIMMs cannot use this module. Check the system manual for supported memory seating and channel guidelines before ordering.

How it compares

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

Price $338.99
Pricier than about 63% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
CAS latency 40
Typical for this category: the median of 439 items is 40.
Price per GB $21.19 per GB
Pricier than about 82% 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 nameA-Tech
Product lineCompatible Replacement for Samsung M426R2GA3BB0-CQK
Model nameA-Tech 16 GB DDR5-4800 ECC SODIMM AIO RAM Module
Total capacity16 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetSamsung Chipset
Memory
CAS latency40
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

Does the 1.1V voltage limit thermal headroom during continuous 4800 MHz operation?

The module runs at the standard 1.10V DDR5 voltage, so power draw and heat stay within normal SO-DIMM limits for all-day workloads.

How much heat does the 1Rx8 Samsung chipset produce without a spreader during sustained server loads?

Unbuffered ECC SODIMMs without a heat spreader rely on chassis airflow; the 1.10V rating keeps thermals manageable in typical microserver bays.

Must the host platform already support DDR5 4800 ECC unbuffered SO-DIMMs for this 262-pin module to function?

Yes — the system must accept DDR5 4800 ECC unbuffered 262-pin SO-DIMMs; consult the board manual to confirm compatibility.

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