Lenovo TruDDR4 DIMM 288-pin 3200 MHz Unbuffered 16GB DDR4 Memory Module

Overview

The Lenovo 4X77A77495 is a TruDDR4 memory module designed to enhance server performance by providing 16 GB of fast DDR4 memory running at 3200 MHz. This unbuffered module supports error correcting code (ECC) to detect and fix common memory errors, making it a reliable choice for servers handling virtualization, file storage, and multitasking workloads. Its 288-pin design fits standard DIMM slots, including Lenovo ThinkSystem SR250 V2 and ST250 V2 models, allowing for quick installation and improved system responsiveness.

Key features

• 16 GB DDR4 capacity that expands memory headroom for multitasking and running multiple virtual machines
• 3200 MHz transfer rate ensures faster data throughput to keep applications responsive
• ECC functionality that automatically corrects single-bit errors to maintain system stability and reduce crashes
• Unbuffered design compatible with entry-level and midrange Lenovo servers for straightforward upgrades
• Standard 288-pin DIMM format that installs easily without requiring special tools or adapters
• Operates at 1.2 volts to reduce power consumption and heat generation, supporting energy-efficient server operation
• Lenovo TruDDR4 validation process guarantees consistent performance and reliability in demanding environments
• Confirmed compatibility with Lenovo ThinkSystem SR250 V2 and ST250 V2 servers for seamless integration

Key specs

• Memory capacity: 16 GB DDR4
• Speed: 3200 MHz
• Type: Unbuffered DIMM
• Pin count: 288-pin
• Voltage: 1.2 V
• Error correction: ECC (Error Correcting Code)
• Compatibility: Lenovo ThinkSystem SR250 V2, ST250 V2, and other 288-pin DIMM motherboards

Installation and setup

Installing this memory module is straightforward and requires no special tools. Simply power down your server, open the chassis, insert the module into an available 288-pin DIMM slot, and power the system back on. The increased memory capacity allows your server to handle more simultaneous users, larger databases, or additional virtual machines without performance slowdowns.

Performance and reliability

The ECC feature actively monitors and corrects memory errors, which is essential for maintaining uptime in critical server environments. Operating at a low voltage of 1.2 volts, the module reduces heat output and energy consumption, contributing to a cooler and more efficient system. Lenovo’s rigorous validation ensures that each module meets high standards for stability and durability, making it suitable for continuous operation in data centers or office servers.

Ideal uses and environments

This memory module is well suited for small to medium business servers that require dependable performance for virtualization, file sharing, and database management. It fits naturally in single-socket tower and slim rack servers, providing a practical upgrade path for Lenovo ThinkSystem SR250 V2 and ST250 V2 users. Its balance of speed, capacity, and error correction makes it a strong choice for IT professionals looking to improve server responsiveness and reliability without extensive hardware changes.