MicroMemory MMD8751/8GB Memory Module

MicroMemory MMD8751/8GB Memory Module

The MicroMemory MMD8751 is a high‑performance, 8 GB DDR2 memory module designed for enterprise and workstation environments that require reliable, high‑bandwidth memory solutions. This module comes in a dual‑rank configuration of two 4 GB chips, delivering a total capacity of 8 GB per DIMM. It operates at 667 MHz, which corresponds to a data rate of PC2-5300. The module is fully buffered and features ECC (Error Correcting Code) support, ensuring data integrity in mission‑critical applications.

Key Technical Specifications

• Form Factor: FB‑DIMM, 240‑pin
• Memory Type: DDR2 SDRAM
• Capacity: 8 GB (2 × 4 GB)
• Speed: 667 MHz (PC2-5300)
• Voltage: 1.8 V
• Rank: Dual‑rank, fully buffered
• ECC: Yes (supports error detection and correction)
• Color Coding: Green (for easy identification in multi‑module systems)
• Compatibility: Designed for Dell servers and other systems that support DDR2 FB‑DIMM modules
• Package: 240‑pin, fully buffered DIMM

Design Features & Benefits

The MMD8751 incorporates several design elements that make it a preferred choice for high‑availability systems:

• Fully Buffered Architecture: The buffer reduces the electrical load on the memory controller, allowing for higher stability and lower power consumption.
• ECC Support: With built‑in error detection and correction, this module protects against data corruption caused by bit‑flips or other transient faults.
• Dual‑Rank Configuration: Improves memory access patterns and overall throughput compared to single‑rank modules.
• Robust Thermal Design: The green heat spreader enhances heat dissipation, maintaining optimal operating temperatures even under heavy workloads.

Ideal Use Cases

The MicroMemory MMD8751 is engineered for environments where performance and reliability are paramount. Typical applications include:

• Enterprise Servers: Dell PowerEdge series and other server platforms that support DDR2 FB‑DIMM modules.
• Workstations & High‑Performance Computing: Systems requiring large memory footprints with ECC protection for scientific or engineering workloads.
• Virtualization Platforms: Hypervisors running multiple virtual machines benefit from the high capacity and error‑correcting capabilities.
• Data Centers: The module’s reliability features reduce downtime, making it suitable for critical data center operations.

Installation & Compatibility Notes

When installing the MMD8751, ensure that your system’s memory controller supports DDR2 FB‑DIMM modules at 667 MHz. The module is fully compatible with Dell servers that list MMD8751/8GB as an approved part number. For optimal performance:

• Slot Matching: Install matched pairs (two identical modules) in adjacent slots to take advantage of dual‑rank benefits.
• Ecc Configuration: Verify that ECC is enabled in the system BIOS/UEFI; otherwise, the module may default to non‑ECC mode.
• Power Settings: Use a power supply capable of delivering stable 1.8 V at the required current draw for DDR2 memory.

Performance Metrics

Benchmarks and real‑world tests consistently show that the MMD8751 delivers:

• High Bandwidth: Up to 10.6 GB/s per DIMM at 667 MHz.
• Low Latency: Typical CAS latency of 5–7 cycles, translating to sub‑nanosecond access times.
• Stable Operation: No significant performance degradation under sustained workloads or in multi‑core processing scenarios.

Conclusion

The MicroMemory MMD8751/8GB Memory Module stands out as a reliable, high‑capacity DDR2 solution for demanding server and workstation environments. Its fully buffered design, ECC support, dual‑rank architecture, and green heat spreader combine to deliver robust performance and data integrity. Whether you’re upgrading an existing Dell platform or building a new high‑availability system, the MMD8751 offers the stability and throughput required for critical applications.