4X77A77032 – Lenovo ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM for Server Memory Upgrade
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4X77A77032 – Lenovo ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM for Server Memory Upgrade
Title
4X77A77032 – Lenovo ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM for Server Memory Upgrade
Keywords
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Description
The 4X77A77032 is a high-performance Lenovo ThinkSystem 64GB TruDDR5 RDIMM designed for modern enterprise server environments. Engineered with DDR5-4800 (PC5-38400) speed and Registered ECC technology, this module delivers exceptional reliability and speed for data center, cloud, and high-demand enterprise server upgrade projects. As a genuine Lenovo part, it is fully validated for compatibility with ThinkSystem V3 servers, ensuring seamless integration and optimal performance out of the box.
Built with a 2Rx4 dual-rank configuration and 1.1V standard voltage, the TruDDR5 4800MHz memory balances high capacity with efficient power consumption, making it ideal for 24/7 server operation. The 288-pin RDIMM form factor supports registered signaling, which reduces electrical load on the memory controller and allows for higher memory density and stability in multi-socket systems. This makes it perfect for buying server ram for virtualization, databases, AI workloads, and other memory-intensive applications.
The 10x4 RDIMM packaging refers to a bulk configuration of 10 modules per set, optimized for large-scale server deployments and volume upgrades. Whether you’re expanding a single ThinkSystem server memory or outfitting an entire data center, this SKU provides cost-effective scalability without compromising quality. It also features ECC (Error-Correcting Code) functionality, which detects and corrects common memory errors—critical for preventing data corruption and downtime in mission-critical systems.
As a key component in Lenovo server parts ecosystem, the 4X77A77032 undergoes rigorous testing to meet Lenovo’s TruDDR5 quality standards, ensuring long-term durability and consistent performance. It is compatible with Intel-based ThinkSystem V3 servers and works alongside other DDR5 ECC RDIMMs for flexible memory configurations. For businesses looking to maximize server performance, extend hardware lifespan, and support growing workloads, this 64GB DDR5 module is a top choice for reliable, high-capacity ECC registered server memory.
Key Features
- Genuine Lenovo Part Number: 4X77A77032 (Feature Code: BNF9)
- Capacity: 64GB per module, 10x4 RDIMM bulk pack
- Memory Type: TruDDR5 RDIMM (Registered ECC)
- Speed: DDR5-4800 MHz (PC5-38400), high-bandwidth performance
- Rank Configuration: 2Rx4 (Dual Rank, x4), optimized for density and speed
- Voltage: 1.1V (DDR5 standard), low power consumption
- Form Factor: 288-pin RDIMM, designed for Intel-based ThinkSystem V3 servers
- ECC Support: Yes, error correction for data integrity and system stability
- Validation: Lenovo ThinkSystem certified, tested for compatibility and reliability
- Use Cases: Virtualization, databases, AI, cloud, and enterprise server upgrade
Configuration
| Full Product Name | 4X77A77032 – Lenovo ThinkSystem 64GB TruDDR5 4800MHz (2Rx4) 10x4 RDIMM |
| Part Number (PN) | 4X77A77032 |
| Feature Code | BNF9 |
| Capacity | 64GB per module |
| Memory Technology | TruDDR5 RDIMM (Registered ECC) |
| Speed | 4800 MHz (PC5-38400) |
| Rank | 2Rx4 (Dual Rank, x4) |
| Voltage | 1.1V |
| Form Factor | 288-pin RDIMM |
| Packaging | 10x4 RDIMM (10 modules per bulk set) |
| Compatibility | Lenovo ThinkSystem V3 (Intel-based) Servers |
| Warranty | Lenovo OEM Warranty |
Compatibility
The 4X77A77032 is fully compatible with **Lenovo ThinkSystem V3 servers** powered by Intel Xeon Scalable processors, making it a perfect match for modern enterprise infrastructure. It supports mixed configurations with other TruDDR5 RDIMMs (1Rx4, 2Rx4) as long as speed and voltage match, providing flexibility for server memory upgrades. This 64GB DDR5 RDIMM is validated to work with Lenovo’s server management tools, enabling easy monitoring and configuration via XClarity Controller.
In terms of hardware ecosystems, it aligns with enterprise server parts standards, supporting integration into data centers with multi-vendor environments while maintaining Lenovo’s reliability guarantees. The DDR5 4800MHz speed ensures compatibility with the latest Intel server platforms, delivering maximum throughput for memory-intensive tasks like virtual machine hosting, big data processing, and AI model training. For businesses using legacy ThinkSystem models, note that this module is designed for V3 and newer servers; older generations require DDR4 memory solutions.
Usage Scenarios
The 4X77A77032 excels in **enterprise virtualization environments**, where high memory capacity and stability are critical for running multiple virtual machines (VMs) simultaneously. The 64GB capacity per module allows administrators to maximize VM density, reducing the need for additional physical servers and lowering data center costs. The ECC registered memory ensures VMs run without unexpected crashes due to memory errors, making it ideal for critical virtualized workloads.
It is ideal for **database and big data servers**, such as SQL Server, Oracle, and Hadoop deployments, where fast data access and large in-memory datasets drive performance. The 4800MHz DDR5 speed and dual-rank configuration enable rapid data retrieval and processing, reducing query latency and improving overall database throughput. For businesses looking to buy server ram for database upgrades, this module provides the perfect balance of capacity, speed, and reliability.
This bulk pack RDIMM is also commonly deployed in **cloud and high-performance computing (HPC) environments**, supporting AI training, scientific computing, and financial modeling workloads that demand massive memory bandwidth. The 10-module bulk configuration simplifies large-scale deployments, making it a cost-effective choice for cloud providers and data centers scaling their enterprise server upgrade projects. Additionally, it serves as a reliable upgrade for **mid-to-large business servers**, powering email systems, file storage, and enterprise resource planning (ERP) software with consistent, high-speed performance.
Frequently Asked Questions
Q1: What does "10x4 RDIMM" mean for the 4X77A77032?
A1: 10x4 RDIMM refers to a bulk packaging configuration containing 10 individual 64GB RDIMM modules per set, designed for volume server deployments and large-scale memory upgrades.
Q2: Is the 4X77A77032 compatible with non-Lenovo servers?
A2: While it uses standard DDR5 RDIMM specifications, the TruDDR5 validation and firmware are optimized for **Lenovo ThinkSystem V3 servers**. Compatibility with Dell, HPE, or other brands is not guaranteed; use Lenovo-certified memory for best results.
Q3: What’s the difference between 1Rx4 and 2Rx4 DDR5 RDIMMs?
A3: 2Rx4 (dual-rank) modules have two sets of memory chips, offering higher capacity and bandwidth than 1Rx4 (single-rank) modules. The 4X77A77032’s dual-rank design makes it ideal for high-density, high-performance server workloads.
Q4: Does this memory module support ECC and registered functionality?
A4: Yes. The 4X77A77032 is an ECC Registered RDIMM, meaning it supports Error-Correcting Code (ECC) for error detection/correction and registered signaling to reduce controller load—critical for enterprise server stability and data integrity.
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