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Green rectangular memory module with gold edge connectors and black chips

SAMSUNG

SAMSUNG M393A2K40DB3-CWE 16GB DDR4-3200 ECC RDIMM

SKU CH-Y35C-GDQNN

Provides 16 GB of DDR4-3200 ECC registered memory for server workloads

  • 16 GB capacity supports larger workloads
  • DDR4-3200 speed moves data quickly
  • ECC protection detects and corrects errors
  • Registered design stabilises heavy server loads
  • 16 GB module fits standard RDIMM slots

Samsung DDR4 ECC RDIMM for servers

This 16 GB DDR4 module operates at 3200 MT/s and includes error-correcting code with registered buffering. It is built for enterprise platforms that require data integrity and signal stability across multiple DIMM slots. The M393A2K40DB3-CWE part number identifies a genuine Samsung memory product.

Unsuitable for consumer desktops and laptops

Buyers who need memory for a standard home PC should look elsewhere because this RDIMM will not function in unbuffered consumer motherboards. Systems that lack ECC support or registered-memory capability cannot use this module.

Steady throughput under continuous server workloads

Registered buffering reduces electrical load on the memory controller, allowing stable operation when all channels are populated. ECC corrects single-bit errors during extended uptime, preventing data corruption in long-running tasks. The DDR4-3200 rating sustains rated bandwidth without thermal throttling in properly cooled chassis.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $153.99
Pricier than about 90% of the 8,808 comparable items (median $16.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will this 16GB DDR4-3200 ECC RDIMM work in a server motherboard that requires registered DIMMs with ECC support?

The module is a registered ECC DDR4 RDIMM, so it fits motherboards designed for registered ECC memory.

Can I install this 16GB DDR4-3200 RDIMM alongside existing registered ECC modules of the same type?

Mixing registered ECC RDIMMs of identical specification is supported by most server platforms; match speed and rank configuration for best results.

How can I confirm the 16GB DDR4-3200 ECC RDIMM is recognised at full speed after installation?

Check the system BIOS or UEFI memory information screen — it should show 16GB at 3200 MT/s with ECC active.

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