Samsung M393A8G40MB2-CTD 64GB DDR4-2666 ECC Registered RDIMM
The Samsung M393A8G40MB2-CTD 64GB DDR4-2666 ECC Registered RDIMM is a high-capacity server memory module engineered for mission-critical enterprise and data center environments. This ECC registered DIMM combines 64GB capacity with DDR4-2666 speed to deliver reliable performance where data integrity is non-negotiable. Built with error-correcting code (ECC) technology and registered buffering, this module protects against memory errors that could compromise system stability. Operating at 1.2V with dual-rank x4 architecture, it provides efficient power consumption and compatibility with enterprise server platforms requiring maximum uptime and fault tolerance.
Key Features
- 64GB capacity for high-density memory configurations
- DDR4-2666 speed for responsive data processing
- ECC (Error-Correcting Code) support prevents data corruption
- Registered buffering enhances signal integrity and stability
- Dual-rank x4 architecture optimizes performance efficiency
- 1.2V operating voltage reduces power consumption
- Enterprise-grade reliability for 24/7 data center operations
- Compatible with major server platforms and systems
Technical Specifications
| Specification |
Details |
| Manufacturer |
Samsung |
| Capacity |
64GB |
| Memory Type |
DDR4 ECC Registered RDIMM |
| Speed |
2666 MHz |
| Voltage |
1.2V |
| Architecture |
Dual-Rank x4 |
| Error Correction |
ECC Support |
| Buffering |
Registered |
| Part Number |
M393A8G40MB2-CTD |
Frequently Asked Questions
What is an ECC registered DIMM and why does it matter?
An ECC registered DIMM combines error-correcting code technology with registered buffering to detect and correct single-bit memory errors automatically. This is critical for enterprise servers where data accuracy and system reliability prevent costly downtime and data loss.
Is this 64GB DDR4-2666 memory compatible with my server?
The Samsung M393A8G40MB2-CTD is designed for enterprise servers supporting DDR4-2666 ECC registered memory. Check your server's memory specifications or contact your system administrator to confirm compatibility with your platform.
How does registered buffering improve server memory performance?
Registered buffering isolates memory modules from the memory controller, reducing electrical load and signal noise. This improves signal integrity, allows for higher memory density configurations, and enhances overall system stability in multi-module environments.
What are the power consumption benefits of 1.2V operation?
Operating at 1.2V instead of standard voltages reduces power draw per module, lowering overall data center energy costs and heat generation—important factors for large-scale server deployments and environmental sustainability.
