Lenovo 32GB DDR4 PC4-21300 288-pin SDRAM UDIMM Memory Module

Overview

The Lenovo 4ZC7A15142 is a 32 GB DDR4 memory module designed for Lenovo ThinkSystem servers, operating at 2666 MHz to provide reliable and efficient performance. This unbuffered dual-rank UDIMM features error-correcting code (ECC) technology, which helps maintain data integrity by detecting and correcting memory errors in real time. It is an excellent choice for enhancing server capacity in virtualization, database, and file sharing environments.

Key features

• 32 GB DDR4 capacity increases memory headroom for demanding applications and virtual machines
• 2666 MHz speed aligns with PC4-21300 standards for balanced throughput and responsiveness
• Error-correcting code (ECC) ensures continuous data accuracy and system stability during operation
• Unbuffered dual-rank design fits standard server memory channels for straightforward upgrades
• Operates at a low voltage of 1.20 V to reduce power consumption and support energy-efficient systems
• CL19 latency tuned to provide a good balance between speed and reliability
• Validated for compatibility with Lenovo ThinkSystem SR250, ST250, and ST50 servers
• Easy installation with a 288-pin configuration that fits seamlessly into compatible DIMM slots

Key specs

• Memory capacity: 32 GB
• Memory type: DDR4 SDRAM
• Speed: 2666 MHz (PC4-21300)
• Form factor: 288-pin UDIMM
• Voltage: 1.20 V
• Latency: CL19
• Rank: Dual-rank
• Error correction: ECC (error-correcting code)
• Compatibility: Lenovo ThinkSystem SR250, ST250, ST50 servers

Compatibility and integration

This memory module is specifically qualified for Lenovo ThinkSystem SR250, ST250, and ST50 servers, ensuring seamless integration with system firmware and management tools. Its 288-pin UDIMM form factor fits standard DIMM slots on these platforms, allowing for straightforward upgrades without requiring special tools or configurations. The ECC feature supports environments where uptime and data integrity are critical, such as small data centers, branch offices, and remote locations.

Performance and reliability

Built on Lenovo’s TruDDR4 technology, this module delivers consistent performance with error correction that actively prevents data corruption. The 2666 MHz speed and CL19 latency provide a stable and responsive memory experience, while the low 1.20 V operating voltage helps reduce overall system power draw. These characteristics make it well suited for workloads that demand both reliability and efficiency, including virtualization and database management.

Ideal uses and environments

This memory upgrade fits well in server setups that require increased memory capacity and dependable operation. It supports virtualization platforms, file sharing services, and database applications that benefit from higher memory density and error correction. The module’s energy-efficient design also makes it a strong choice for deployments in power-sensitive environments such as branch offices or remote data centers where maintaining uptime and reducing operational costs are priorities.