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Green low-profile DDR4 memory module with black chips and gold contacts

SAMSUNG

SAMSUNG M393A4K40BB2-CTD 32GB DDR4-2666 LP ECC REG DIMM desktop RAM

SKU CH-ASJD-FF373

32 GB DDR4-2666 ECC registered DIMM for data-integrity workloads

  • High-capacity 32 GB module handles heavy workloads
  • DDR4-2666 speed delivers responsive data throughput
  • Low-profile height fits compact chassis builds
  • ECC registered design protects data integrity

32GB DDR4-2666 ECC Registered Module

This 32GB DDR4-2666 module uses ECC registered technology for error correction and signal buffering. It is built for workstations and servers that require data integrity and stable operation under continuous load. The low-profile form factor fits systems with restricted DIMM clearance.

ECC Registered Design Changes System Behaviour

The registered buffer reduces electrical load on the memory controller, allowing larger memory configurations than unbuffered modules permit. ECC circuitry detects and corrects single-bit errors, preventing silent data corruption in critical workloads. Systems without ECC registered support cannot use this module.

How it compares

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

Price $144.99
Pricier than about 60% of the 3,647 comparable items (median $90.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the registered ECC module require any firmware updates or periodic reseating to maintain stability?

The registered ECC design handles error correction in hardware; no firmware updates or scheduled reseating are needed once the DIMM is seated correctly.

At continuous DDR4-2666 throughput, does the module hit a thermal or signal-integrity ceiling first?

The low-profile height and standard DDR4 signalling keep thermals and signal quality within spec at the rated 2666 MT/s, so neither ceiling is reached under normal sustained loads.

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