M393A8G40CB4-CWE Samsung 1x64GB DDR4 RDIMM ECC RAM

High-Density DDR4 RDIMM Server Memory featuring ECC reliability with the M393A8G40CB4-CWE

The M393A8G40CB4-CWE is a 64GB DDR4-3200 ECC Registered RDIMM designed to stabilize memory subsystems in enterprise CPU platforms where predictable latency and error containment are mandatory. In multi-socket server architectures, its registered signaling improves electrical loading, enabling higher DIMM population per channel and consistent operation under sustained virtualization, database, and general-purpose compute pressure.

With a 288-pin DDR4 RDIMM form factor, the M393A8G40CB4-CWE aligns with modern server boards that balance PCIe expansion lanes with memory bandwidth requirements. Running at DDR4-3200 (PC4-25600R) with CL22 at 1.2V, it supports capacity scaling without forcing a compromise on platform stability, while ECC 72-bit protection reduces the operational risk of silent data corruption in long-running workloads. The dual-rank x4 organization is engineered for enterprise reliability and compatibility across dense memory configurations, supporting storage-heavy nodes that depend on memory for caching, indexing, and I/O buffering rather than GPU acceleration.

Why Choose the M393A8G40CB4-CWE?

The M393A8G40CB4-CWE is selected when density-per-slot and uptime are primary design constraints: 64GB per module enables higher aggregate capacity with fewer populated slots, improving serviceability and leaving headroom for future scaling. As an ECC RDIMM, it is suited to controlled, repeatable deployments across clustered hosts where consistency, validation, and reduced incident rates matter more than marginal benchmark gains.

Samsung memory is engineered for enterprise qualification cycles, with process control and test coverage tuned for data center duty cycles. The M393A8G40CB4-CWE reflects that approach by prioritizing signal integrity, compatibility, and sustained operation in standards-based server platforms.

Key Applications:

• Virtualization hosts
• General-purpose compute nodes
• Database servers
• In-memory caching
• HPC and analytics clusters

At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your memory population plan for M393A8G40CB4-CWE deployments, and bulk order discount options for standardized rollouts across racks or clusters.