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

AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- 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) |