M393A2G40DB0-CPB Samsung 1x16GB DDR4 RDIMM ECC RAM
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M393A2G40DB0-CPB
Enterprise DDR4 ECC Registered RDIMM capacity expansion with the M393A2G40DB0-CPB
The M393A2G40DB0-CPB is a Samsung 16GB DDR4 Registered ECC RDIMM designed for mainstream Xeon and EPYC server generations that rely on DDR4 memory channels for predictable throughput and stability. By combining ECC protection with registered buffering, the M393A2G40DB0-CPB supports higher DIMM population per channel and cleaner signal integrity, helping systems engineers scale memory capacity without compromising platform reliability.
Built as a 288-pin low-profile module at 2133MT/s and 1.2V, the M393A2G40DB0-CPB aligns well with balanced CPU core-to-memory configurations used in virtualization, general compute, and infrastructure services. While PCIe and storage capabilities are determined by the host platform, this RDIMM directly influences CPU memory bandwidth availability, page-cache efficiency for storage stacks, and VM density under NUMA-aware scheduling. Its dual-rank x4 organization and 72-bit data path are engineered to sustain steady access patterns and reduce the operational risk of memory-related faults in long-running workloads.
Why Choose the M393A2G40DB0-CPB?
The M393A2G40DB0-CPB delivers a practical density-to-performance profile for DDR4 RDIMM platforms where uptime, consistent latency, and controlled expansion matter more than peak benchmarks. It enables scalable population strategies across standard server memory channels, supporting capacity growth for consolidation projects while maintaining enterprise-class error handling and predictable behaviour under mixed read/write pressure.
Samsung designs server memory with a disciplined qualification approach focused on compatibility, endurance, and data centre operating stability. The M393A2G40DB0-CPB reflects this engineering philosophy through tight process control, conservative electrical margins, and alignment with modern rack server serviceability requirements.
Key Applications:
- DDR4 RDIMM server capacity expansion
- Virtualization and VM density scaling
- General-purpose enterprise compute
- Database buffer and cache growth
- Infrastructure services and directory platforms
At Happyware - Server Hardware you benefit from Bulk Order Discount options when standardising on the M393A2G40DB0-CPB across clusters, and you can request Non-Binding Offers to align quantities and delivery planning with your rollout schedule.
Technical details of M393A2G40DB0-CPB
How long is the Warranty and how you can get technical support for M393A2G40DB0-CPB
| 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. |
| Support Portal: | https://support.happyware.com |
|---|
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