M393A2K40DB3-CWE Samsung 1x16GB DDR4 RDIMM ECC RAM

*Picture may not be exactly the same as the product

See all ECC Registered RAM (RDIMM) DDR4

See other Samsung products

This product is currently not priced. Request a personalized quote now.

Out of stock

Happyware Article Number:

SH6R3434-185047

Manufacturer Number:

M393A2K40DB3-CWE

Brand:

Samsung

Are you a reseller?

Do you have questions about this product M393A2K40DB3-CWE?

Our team of server experts will be happy to help you to ensure you purchase the right product.

Description Technical details Warranty & Technical Support Reviews Bulk Deals

M393A2K40DB3-CWE

Enterprise DDR4 RDIMM Memory Expansion for 2-Socket Platforms with the M393A2K40DB3-CWE

The M393A2K40DB3-CWE is a Samsung 16GB DDR4 RDIMM designed for enterprise servers that require ECC protection and registered buffering to maintain signal integrity at scale. Deployed across modern 2-socket CPU platforms, the module supports stable memory channel loading and predictable latency behavior for mixed virtualization and general-purpose compute nodes.

With JEDEC-aligned 3200 MT/s operation (PC4-25600R) at 1.2V, the M393A2K40DB3-CWE enables balanced bandwidth per channel without relying on vendor-specific overclocking profiles. Its 288-pin low-profile form factor suits dense rack configurations, while the 72-bit data path delivers ECC correction to reduce soft-error impact under sustained workloads. Single-rank x4 organization supports compatible memory population rules in mainstream server boards, helping architects scale capacity in a controlled, validated manner when standardizing on 16GB DIMMs.

Why Choose the M393A2K40DB3-CWE?

The M393A2K40DB3-CWE provides an efficient density-to-performance ratio for incremental upgrades, enabling consistent fleet configurations while preserving platform reliability. For IT teams expanding memory footprints across clustered hosts, the M393A2K40DB3-CWE supports repeatable deployments, predictable interoperability with RDIMM-capable controllers, and scalability through structured channel population.

Samsung engineers its server DRAM for long lifecycle availability, stringent validation, and alignment with data center operational standards. The M393A2K40DB3-CWE reflects a focus on signal margin, ECC reliability, and JEDEC compliance to support enterprise qualification processes and change-controlled infrastructure updates.

Key Applications:

Virtualization hosts
General-purpose compute nodes
Enterprise 2-socket server memory expansion
Standardized 16GB RDIMM refresh cycles

At Happyware - Server Hardware you benefit from non-binding offers tailored to your rollout plan for the M393A2K40DB3-CWE, helping you align capacity upgrades with platform qualification and delivery schedules. For multi-node deployments, bulk order discount options support cost-controlled standardization across your server estate.

Technical details of M393A2K40DB3-CWE

Capacity:

16GB

Generation:

DDR4

Single Module Capacity:

16GB

Frequency:

3200MHz

Form Factor:

DIMM

DIMM Type:

DDR4

ECC:

ECC

Registered/Unbuffered:

Registered

Modules Quantity:

Pins:

288

Voltage:

1.2V

Rank:

Single-Rank x4

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 M393A2K40DB3-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.