M393A2K43EB3-CWE Samsung 1x16GB DDR4 RDIMM ECC RAM

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Happyware Article Number:

SH2R1799-743763

Manufacturer Number:

M393A2K43EB3-CWE

Brand:

Samsung

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

M393A2K43EB3-CWE

Enterprise DDR4 ECC Registered Memory Expansion with the M393A2K43EB3-CWE RDIMM

The M393A2K43EB3-CWE is a Samsung DDR4-3200 ECC Registered DIMM (RDIMM) engineered for predictable memory scaling on Intel Xeon and AMD EPYC DDR4 server platforms. As a registered module, the M393A2K43EB3-CWE reduces electrical loading on the memory bus to support higher DIMM population per channel, helping maintain stability at scale in multi-socket configurations.

Designed around a 288-pin DDR4 interface, the M393A2K43EB3-CWE delivers 16GB capacity per DIMM at 3200 MT/s with ECC protection and a dual-rank x8 organization. This profile aligns well with virtualization and cloud hosts where balanced per-slot capacity, consistent latency behavior, and error correction are essential for 24x7 uptime. When paired with modern server expansion via PCIe and NVMe storage, the M393A2K43EB3-CWE supports memory-intensive services by keeping CPU cores fed under mixed I/O and compute contention.

Why Choose the M393A2K43EB3-CWE?

The M393A2K43EB3-CWE provides an enterprise-focused density-to-performance ratio for DDR4 fleets, enabling standardized builds across racks while preserving reliability through ECC and registered buffering. The M393A2K43EB3-CWE is suited to scalable deployments where consistent DIMM qualification, predictable behavior under heavy load, and controlled thermals in dense chassis are required.

Samsung’s server memory engineering emphasizes signal integrity, long-term validation, and tight process control to meet data centre operational requirements. With the M393A2K43EB3-CWE, this translates into dependable interoperability across qualified DDR4 platforms and sustained stability for mission-critical workloads.

Key Applications:

Virtualization and private cloud clusters
Enterprise databases and in-memory caching
General-purpose rack server memory expansion
High-availability application servers

At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your deployment plan for the M393A2K43EB3-CWE, plus bulk order discount options when standardizing memory across multiple nodes.

Technical details of M393A2K43EB3-CWE

Capacity:

16GB

Generation:

DDR4

Single Module Capacity:

16GB

Frequency:

3200MHz

Form Factor:

DIMM

DIMM Type:

RDIMM DDR4

ECC:

ECC

Registered/Unbuffered:

Registered

Modules Quantity:

Pins:

288

Voltage:

1.2V

Rank:

Dual-Rank x8

Intel XMP:

AMD EXPO:

Heat Spreader:

RGB Lighting:

Module height:

JEDEC:

PC4-25600R

CAS Latency:

Row-to-Column Delay (tRCD):

Row Precharge Time (tRP):

How long is the Warranty and how you can get technical support for M393A2K43EB3-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.