Hynix HMCG78AEBRA 16GB DDR5 4800MT/s ECC Server Memory Module
The Hynix HMCG78AEBRA 16GB DDR5 ECC server memory is engineered for mission-critical enterprise environments requiring maximum reliability and performance. This DDR5 RDIMM module delivers 4800MT/s speeds with error-correcting code (ECC) protection, making it ideal for data centers, virtualization platforms, and high-availability server deployments where data integrity is non-negotiable. Built with 1Rx8 configuration and PC5-38400 compliance, this 16GB DDR5 ECC memory ensures stable operation under demanding workloads while protecting against silent data corruption.
Key Features
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16GB Capacity — Scalable memory expansion for multi-socket server configurations
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DDR5 4800MT/s Performance — Next-generation speed for reduced latency and improved throughput
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ECC Protection — Single-bit error correction and multi-bit error detection for data reliability
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1Rx8 Configuration — Optimized rank density for balanced performance and thermal efficiency
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PC5-38400 Standard — Full compliance with latest DDR5 server specifications
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288-pin RDIMM — Enterprise-grade registered DIMM for socket compatibility
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SK Hynix Manufacturing — Premium quality assurance and long-term availability
Technical Specifications
| Specification |
Details |
| Manufacturer |
SK Hynix |
| Part Number |
HMCG78AEBRA |
| Memory Type |
DDR5 SDRAM |
| Capacity |
16GB |
| Speed |
4800MT/s |
| Standard |
PC5-38400 |
| ECC |
Yes (Error Correcting Code) |
| Configuration |
1Rx8 (Single Rank, 8 Banks) |
| Form Factor |
288-pin RDIMM (Registered DIMM) |
| Voltage |
1.1V (DDR5 Standard) |
Frequently Asked Questions
What is DDR5 ECC server memory used for?
DDR5 ECC server memory is essential for enterprise data centers, virtualization hosts, and mission-critical applications where data accuracy cannot be compromised. The error-correcting code automatically detects and corrects single-bit errors, preventing system crashes and data loss in 24/7 server environments.
Is the Hynix HMCG78AEBRA compatible with my server?
The HMCG78AEBRA is a 288-pin RDIMM module compatible with servers supporting DDR5 memory and PC5-38400 specifications. Verify your server's memory support documentation to confirm socket compatibility and maximum capacity limits before installation.
What does 1Rx8 configuration mean?
The 1Rx8 designation indicates a single-rank, 8-bank configuration. This design optimizes performance and thermal characteristics for dense server deployments while maintaining compatibility with most enterprise platforms requiring DDR5 RDIMM modules.
Why choose ECC memory over standard DDR5?
ECC memory provides automatic error detection and correction, essential for servers handling sensitive data, financial transactions, or virtualized workloads. Standard non-ECC memory cannot detect errors, making ECC the industry standard for enterprise and data center applications.