Lenovo 16GB TruDDR4 2666MHz RDIMM for ThinkSystem Servers

Equipment Overview

The Lenovo 7X77A01303 is a 16 GB DDR4 registered DIMM (RDIMM) module engineered for enterprise server environments. It operates at an effective frequency of 2666 MHz with a maximum bandwidth of 21300 MB/s, delivering reliable performance for memory-intensive workloads. This module is designed to support mission-critical applications, virtualization, and database operations within Lenovo ThinkSystem server platforms. The 288-pin form factor ensures straightforward installation into compatible server motherboards.

Main Parameters

• Part Number: 7X77A01303
• Standard: DDR4
• Form Factor: RDIMM (registered)
• Capacity per Module: 16 GB
• Modules in Kit: 1
• Effective Frequency: 2666 MHz
• Bandwidth: 21300 MB/s
• ECC Support: Yes
• Registered (Buffered): Yes
• Low-Profile: No

Key Advantages

This RDIMM module provides hardware-based ECC and registered buffering, reducing memory bus load and enhancing data integrity for sustained server operation. The 2666 MHz speed and 16 GB density offer a balanced upgrade path for expanding system memory without compromising stability. Its 1.2V operating voltage contributes to efficient power consumption in dense server configurations.

Compatibility & Integration

The module is validated for Lenovo ThinkSystem servers, including models SN550, SN850, SD530, SR850, SR650, SR950, and SR630. It uses the industry-standard DDR4-2666 interface and 288-pin DIMM layout, ensuring seamless integration into existing server memory slots. The RDIMM design aligns with enterprise-grade systems requiring registered memory for advanced reliability and scalability.