M393A4G40AB3-CWE Samsung 1x32GB DDR4 RDIMM ECC RAM

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Happyware Article Number:

SH3R7059-441402

Manufacturer Number:

M393A4G40AB3-CWE

Brand:

Samsung

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M393A4G40AB3-CWE

Enterprise DDR4 Registered ECC Memory Expansion with the M393A4G40AB3-CWE for Capacity-Focused Servers

The M393A4G40AB3-CWE is a Samsung 32GB DDR4 RDIMM designed for x86 server platforms that require ECC Registered memory to maintain signal integrity and predictable uptime at scale. In virtualized clusters and enterprise application tiers, the M393A4G40AB3-CWE supports stable memory population across multi-channel CPU architectures, enabling higher VM density and consistent performance under mixed workloads.

Built as a 288-pin DDR4-3200 (PC4-25600E) module at 1.2V, the M393A4G40AB3-CWE aligns with modern DDR4 server memory controllers and BIOS validation profiles for RDIMM operation. As a 72-bit ECC design, it helps detect and correct single-bit errors, supporting data reliability for memory-bound database, analytics, and caching nodes. While not a PCIe component, the M393A4G40AB3-CWE directly improves overall platform throughput by reducing paging and storage I/O pressure, complementing PCIe-based NVMe tiers and scalable storage architectures.

Why Choose the M393A4G40AB3-CWE?

The M393A4G40AB3-CWE provides an efficient density-to-reliability profile for enterprise servers where capacity scaling must not compromise stability. By using registered buffering and ECC, the M393A4G40AB3-CWE supports consistent operation in high-DIMM-count configurations, helping architects standardize memory builds across racks and streamline lifecycle management for homogeneous deployments.

Samsung engineers server DRAM for controlled interoperability, endurance, and long-term availability aligned with data centre qualification processes. The M393A4G40AB3-CWE reflects this focus through conservative operating margins and enterprise-grade validation suitable for continuously running infrastructure.

Key Applications:

Server DRAM expansion for virtualization clusters
Enterprise application and middleware tiers
Memory-bound database nodes
Analytics and in-memory caching systems

At Happyware - Server Hardware you benefit from non-binding offers tailored to your server configuration when deploying M393A4G40AB3-CWE at scale, and from bulk order discount options to standardize memory across large fleet rollouts efficiently.

Technical details of M393A4G40AB3-CWE

Capacity:

32GB

Generation:

DDR4

Single Module Capacity:

32GB

Frequency:

3200MHz

Form Factor:

DIMM

DIMM Type:

DDR4

ECC:

ECC

Registered/Buffered:

Registered

Modules Quantity:

Pins:

288

Voltage:

1.2V

Rank:

Single-Rank

JEDEC:

PC4-25600E

CAS Latency:

How long is the Warranty and how you can get technical support for M393A4G40AB3-CWE

Warranty:	24 months (part)
RMA through customer:	yes
RMA Url:	https://www.samsung.com/us/support/service/
Description:	Items must be returned first; no advance replacements. Guaranteed repair or replacement times may vary by product type. On-site service is available for specific products such as large home appliances and large TVs.