| Product Type | Memory module | 
| Type | DRAM memory module | 
| Technology | DDR4 SDRAM | 
| Form Factor | LRDIMM 288-pin | 
| Capacity | 256 GB | 
| Rank | Octal rank (8Rx4) | 
| Chip Organization | x4 | 
| Features | Load-Reduced, ECC, Octal-rank | 
| Speed | 2933 MHz (PC4-23400) | 
| Voltage | 1.2 V | 
| Upgrade Type | System specific | 
| Data Integrity Check | ECC | 
| OEM Manufacturer Equivalent Part Number | Cisco HX-ML-256G8RT-H | 
| Designed For Cisco Servers | HX-B200-M5-U, HX-B200-M5-U-BR, HX-B480-M5-U, HX-C220-M5L, HX-C220-M5L-BR, HX-C220-M5SN, HX-C220-M5SX, HX-C220-M5SX-BR, HX-C240-M5L, HX-C240-M5L-BR, HX-C240-M5S, HX-C240-M5SN, HX-C240-M5SX, HX-C240-M5SX-BR, HX-C480-M5, HX-C480-M5ML8 | 
| Manufacturer Part Number | HX-ML-256G8RT-H= | 
CISCO 256GB DDR4-2933MHz ECC LRDIMM 288-pin HX-ML-256G8RT-H

Key Benefits
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- Enables high-density memory configurations for Cisco UCS and HyperFlex servers
 - ECC support and octal-rank design ensure maximum uptime and error-free performance in enterprise environments
 - Low-voltage 1.2V operation reduces power draw, making it ideal for modern energy-efficient data centers
 
Product Overview
The CISCO 256GB DDR4-2933MHz ECC LRDIMM (HX-ML-256G8RT-H) is a high-capacity, high-speed module built for enterprise systems. It features 2933 MHz bandwidth (PC4-23400) and ECC data integrity for stable and error-free performance. This Load-Reduced, octal-rank DIMM with x4 chip configuration is compatible with a range of Cisco HX and UCS Series servers. Operating at only 1.2V, it improves power efficiency in demanding environments. Fully TAA-compliant, it is ideal for system-specific upgrades in virtualization, analytics, and cloud environments.
Specifications
                      Product Overview
                      
                    
                    
                      Physical & Environmental
                      
                    
                    | Module Dimensions (L x H) | 133.35 mm x 31.25 mm | 
| Operating Voltage | 1.2 V | 
| Form Factor | RDIMM (Load-Reduced DIMM) | 
                      Cloud Management & Licensing
                      
                    
                    | Cisco Compatible Platform | UCS and HyperFlex HX-Series Servers | 
                      Product Identification
                      
                    
                    | Manufacturer | CISCO | 
| Product Name | CISCO 256GB DDR4-2933MHz ECC LRDIMM | 
| UPC | 
                      Interfaces
                      
                    
                    | Interface Type | DDR4 SDRAM | 
| Pin Count | 288-pin | 
| Bus Speed | 2933 MHz | 
| Data Transfer Rate | PC4-23400 | 
                      Compliance & Origin
                      
                    
                    | TAA Compliant | Yes | 
| Country of Origin | CHINA / JAPAN / KOREA, REPUBLIC OF / PHILIPPINES / TAIWAN / VIET NAM | 
| JEDEC Compliance | Yes | 
| RoHS Compliance | Yes | 
                      Advanced Security Features
                      
                    
                    | ECC Error Correction | Yes | 
| Chipkill Technology Support | Yes (platform-dependent) |