Manufacturer | Lenovo |
Manufacturer Part Number | 4X77A81441 |
Product Name | Lenovo 64GB DDR5 4800MHz DIMM ECC Memory Module |
Product Type | Memory module |
Memory Capacity | 64 GB |
Memory Technology | DDR5 SDRAM |
Module Type | DRAM memory module |
Form Factor | DIMM 288-pin |
Memory Rank | 2RX4 (Dual Rank, x4) |
Speed | 4800 MHz (PC5‑38400) |
Upgrade Type | System specific |
Weight | Approx. 35 g |
Power Requirements | 1.1V (operating voltage) |
Lenovo 64GB DDR5 4800MHz DIMM ECC Memory Module




Key Benefits

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- Provides high-capacity 64GB upgrade for data-intensive environments
- Faster DDR5 4800 MHz speed enhances server performance and responsiveness
- On-die ECC ensures data integrity for mission-critical enterprise applications
Product Overview
The Lenovo 4X77A81441 memory module is engineered to meet demanding enterprise computing requirements. With a massive 64GB DDR5 SDRAM capacity and a blazing-fast 4800 MHz speed (PC5-38400), this DIMM delivers substantial performance improvements for Lenovo ThinkSystem environments. Its dual-rank (2RX4) configuration and 288-pin footprint ensure seamless integration into compatible server architectures.
Advanced features like on-die ECC (Error Correction Code) offer enhanced data integrity and reduced risk of system errors, making this memory module suitable for mission-critical applications. Designed specifically for system-oriented upgrades, it ensures optimal compatibility and stability, helping minimize downtime and improve operational efficiency in business and data center environments.
By leveraging next-generation DDR5 technology, this module supports faster throughput and better power efficiency over previous DDR generations. This makes it an ideal choice for high-performance computing tasks, virtualization, advanced analytics, and other memory-intensive operations where performance and reliability are paramount.
Specifications
Product Overview
Physical & Environmental
Module Dimensions (H x L) | 31.25 mm x 133.35 mm |
Operating Temperature (Min) | 0°C |
Operating Temperature (Max) | 85°C |
Storage Temperature (Min) | -40°C |
Storage Temperature (Max) | 95°C |
Operating Humidity Range | 10% to 80% (non-condensing) |
Storage Humidity Range | 5% to 95% (non-condensing) |
Advanced Security Features
Error Correction | On-die ECC |
Data Integrity Check | ECC (Error-Correcting Code) |
Interfaces
Interface Type | 288-pin DIMM |
Bus Speed | 4800 MT/s |
Chip Organization | x4 |
Compliance & Origin
Country of Origin | |
TAA Compliant | |
RoHS Compliance | Yes |
JEDEC Compliant | Yes |
Halogen-Free | Yes |
REACH Compliance | Yes |
Other Specifications
Latency | CL40 |
Compatibility | Lenovo ThinkSystem servers |
Rank | Dual Rank |
Number of Pins | 288 |
UPC | 889488625932 |
ECC Type | On-die ECC |