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Lenovo 02YH639 32GB DDR4-3200MHz RDIMM 2Rx4 CL22 Memory
- Memory Size: 32GB
- Memory Type: DDR4 SDRAM
- Form Factor: RDIMM (Registered DIMM)
- Speed: 3200MHz (PC4-25600)
- Latency: CL22
- Rank: 2Rx4 (Dual Rank, 4 Banks per Rank)
- ECC: Yes (Error-Correcting Code)
- Voltage: 1.2V (standard for DDR4)
- Compatibility: Lenovo servers and workstations supporting DDR4-3200 RDIMMs
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Product Overview
The Lenovo 02YH639 is a 32GB DDR4-3200MHz Registered DIMM (RDIMM) memory module. It features a 2Rx4 configuration and CL22 latency, designed for enterprise-level Lenovo servers and workstations requiring high capacity and speed.
Technical Information
| Product Type | Memory Module |
| Brand | Lenovo |
| Part Number | 02YH639 |
| Capacity | 32GB |
| Memory Technology | DDR4 SDRAM |
Additional Specifications
| Form Factor | RDIMM |
| Speed | 3200MHz |
| CAS Latency | CL22 |
| Rank | 2Rx4 |
| ECC | Yes |
Product Description
The Lenovo 02YH639 is a high-performance 32GB DDR4 Registered DIMM (RDIMM) module, engineered to meet the demanding requirements of modern enterprise environments. Operating at a rapid 3200MHz speed (PC4-25600) with a CAS Latency of CL22, this module delivers exceptional bandwidth and responsiveness for intensive workloads. The 2Rx4 configuration indicates a dual-rank design, which can further optimize performance by allowing the memory controller to access data more efficiently, crucial for high-throughput applications. As a Registered DIMM, this module incorporates an onboard register that buffers command and address signals, reducing the electrical load on the system's memory controller. This feature is essential for enabling systems to support larger memory capacities and maintain stability, especially in servers that house numerous memory modules. The inclusion of Error-Correcting Code (ECC) is standard for RDIMMs, providing critical data integrity by detecting and correcting memory errors, which is paramount for mission-critical operations and preventing data corruption. This Lenovo-branded 32GB DDR4 RDIMM is specifically designed for compatibility and optimal performance within Lenovo's server and workstation product lines. It is an ideal upgrade for systems running virtualization, large databases, complex simulations, AI/ML workloads, and other memory-intensive applications where speed, capacity, and reliability are non-negotiable.



