Lenovo ThinkSystem 128GB DDR4 Memory Module PN: 4X77A12187 | High-Performance ECC RDIMM for Enterprise Servers
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Title
Lenovo ThinkSystem 128GB DDR4 Memory Module PN: 4X77A12187 | High-Performance ECC RDIMM for Enterprise Servers
Keywords
Buy Lenovo ThinkSystem 128GB DDR4, Lenovo Server Memory, ThinkSystem DDR4 Module, 4X77A12187, 128GB DDR4 RDIMM, ECC Server Memory, High Performance Memory, Data Center Upgrade, Lenovo Memory Upgrade, Server RDIMM
Description
The Lenovo ThinkSystem 128GB DDR4 Memory Module (PN: 4X77A12187) is designed to deliver outstanding performance and reliability for enterprise-class computing environments. With ECC (Error-Correcting Code) technology, this 128GB DDR4 RDIMM ensures data integrity and system stability, making it ideal for mission-critical servers and data center infrastructures.
Operating at high frequencies with DDR4 technology, the High Performance Memory module offers excellent throughput and low latency. It enhances overall server responsiveness for demanding workloads such as virtualization, analytics, and high-performance computing (HPC).
The Lenovo ThinkSystem memory series is optimized for compatibility with Lenovo ThinkSystem servers, ensuring plug-and-play reliability and maximum efficiency. It supports energy-efficient operation with low power consumption, making it suitable for scalable Data Center Upgrades where power savings are essential.
The part number 4X77A12187 represents a genuine Lenovo memory upgrade, fully tested and validated by Lenovo engineering. This ensures stable operation under continuous heavy workloads while maintaining optimal thermal and electrical characteristics.
For IT administrators and enterprises looking for a proven Lenovo Memory Upgrade solution, this module provides a balanced combination of capacity, bandwidth, and reliability that keeps critical business systems running smoothly.
Key Features
- Lenovo Part Number: 4X77A12187
- Capacity: 128GB DDR4 ECC Registered DIMM (RDIMM)
- Error Correction: ECC for enhanced reliability and uptime
- Optimized for Lenovo ThinkSystem servers
- High data transfer rates with low latency
- Energy-efficient operation for reduced power costs
- Ideal for virtualization, database, and cloud applications
- Fully tested and certified by Lenovo for enterprise deployment
Configuration
| Component | Specification | 
|---|---|
| Brand | Lenovo | 
| Product Line | ThinkSystem | 
| Part Number | 4X77A12187 | 
| Capacity | 128GB | 
| Memory Type | DDR4 ECC Registered DIMM (RDIMM) | 
| Speed | Up to 3200 MHz (depending on system support) | 
| Form Factor | 288-pin RDIMM | 
| Compatibility | Lenovo ThinkSystem servers | 
Compatibility
The Lenovo ThinkSystem DDR4 Module is compatible with a wide range of Lenovo ThinkSystem servers, including models in the SR650, SR630, and SR850 families. It is also backward compatible with systems supporting DDR4 RDIMM configurations, allowing flexible scalability for growing workloads.
This ECC Server Memory ensures seamless operation with Lenovo BIOS and management firmware, offering a fully integrated solution that meets enterprise-grade standards. It’s ideal for businesses running virtualization platforms, large-scale databases, or compute-intensive analytics workloads.
Usage Scenarios
For virtualization clusters and database servers, the Lenovo Server Memory delivers stable, consistent performance with error correction that prevents data corruption. It’s a preferred choice for VMware, Hyper-V, and database management systems.
Data center operators deploying large-scale workloads benefit from the 128GB capacity, which enables dense memory configurations within each node—ideal for virtual desktop infrastructure (VDI) or in-memory computing.
Enterprises seeking a dependable Lenovo Memory Upgrade will appreciate the module’s power efficiency and compatibility, ensuring smooth operation during 24/7 mission-critical operations.
System integrators and IT professionals looking to expand existing Lenovo infrastructures can rely on the 4X77A12187 for guaranteed quality and seamless integration, making it the perfect choice for Data Center Upgrades.
Frequently Asked Questions
- Q1: Is this module compatible with all Lenovo ThinkSystem servers?
 A1: The 4X77A12187 is compatible with most ThinkSystem models supporting DDR4 ECC RDIMMs, including SR650, SR630, and SR850 series.
- Q2: Can this module be mixed with other memory capacities?
 A2: It’s recommended to use identical modules for optimal performance and balanced memory channel utilization, especially in multi-DIMM configurations.
- Q3: Does the memory support ECC error correction?
 A3: Yes, this is an ECC RDIMM designed for server-grade error correction to maintain data integrity in enterprise systems.
- Q4: Is the module backward compatible with DDR3 systems?
 A4: No, DDR4 modules like this 128GB DDR4 RDIMM are not backward compatible with DDR3 or DDR5 systems due to physical and electrical differences.
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