SK Hynix 128GB DDR5-4800 ECC RDIMM 2Rx4 PC5-38400R

SK Hynix's 128GB DDR5-4800 ECC RDIMM represents a significant milestone in high-capacity memory solutions for enterprise data centers. Built on advanced process nodes, this dual-rank (2Rx4) module delivers 128GB of error-correcting capacity in a single DIMM form factor, enabling server platforms to achieve unprecedented memory density without slot multiplication. The module operates at DDR5-4800 speed (PC5-38400R specification), providing the bandwidth and latency characteristics required for demanding virtualization, containerized workloads, and AI/ML model training environments.

The RDIMM (Registered DIMM) architecture incorporates a register chip that buffers command and address signals, reducing electrical load on the memory controller and improving signal integrity across populated memory channels. This design allows maximum memory configurations per server while maintaining stability and reliability. ECC (Error-Correcting Code) functionality detects and corrects single-bit errors in real-time, essential for mission-critical applications where data integrity cannot be compromised. The 2Rx4 organization (dual-rank, 4-bit wide devices) optimizes per-channel capacity and performance balance.

Launched in Q1 2024, this module addresses acute capacity constraints driven by hyperscaler infrastructure expansion and accelerated AI server builds globally. Its high-density profile reduces the total cost of ownership per GB in large-scale deployments while minimizing power envelope growth, making it strategically positioned for next-generation data center architectures.

Ideal for

• Large-scale AI model training and inference infrastructure requiring 1TB+ per-server memory configurations
• Hyperscaler cloud data centers consolidating virtual machine density and reducing per-tenant memory isolation overhead
• High-performance computing clusters for scientific simulation, molecular dynamics, and weather modeling
• In-memory database systems (SAP HANA, Oracle Exadata) demanding maximum aggregate memory with fault tolerance
• Containerized microservices platforms with memory-intensive middleware (Kubernetes, Apache Spark) at enterprise scale
• Financial services risk modeling and real-time analytics platforms requiring sub-microsecond latency with error resilience

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.