Seagate Nytro 5550H 6.4TB NVMe PCIe Gen4 U.2 Enterprise SSD

The Seagate Nytro 5550H 6.4TB (XP6400LE70015) is a high-performance U.2 NVMe enterprise SSD built on PCIe Gen4 x4 interface technology, delivering substantial gains in throughput and IOPS over previous-generation platforms. Engineered around a mixed-use endurance profile, the drive targets workloads that demand both high sequential bandwidth and sustained random I/O performance, making it well suited for environments where read-intensive and write-intensive operations coexist within the same storage tier.

The Nytro 5550H series leverages 3D TLC NAND flash with Seagate's enterprise-grade controller and advanced firmware stack, incorporating end-to-end data path protection, power-loss protection circuitry, and hardware-accelerated encryption. The U.2 (SFF-8639) 2.5-inch 15mm form factor ensures broad compatibility with standard enterprise server backplanes from major platforms, while the Gen4 interface doubles the lane bandwidth available compared to Gen3 deployments, directly benefiting latency-sensitive applications such as relational and NoSQL databases, real-time analytics engines, and AI/ML inference serving infrastructure.

With a rated endurance of 3 Drive Writes Per Day (DWPD) over its operational life and support for NVMe 1.4 command-set features including multiple I/O queues, namespace management, and enhanced error reporting, the Nytro 5550H is positioned as a tier-1 all-flash array building block or a direct-attached performance storage device within scale-out AI training clusters, OLTP database servers, and high-frequency transactional platforms where consistent sub-100-microsecond latency under queue depth is operationally critical.

Ideal for

• AI and machine learning inference servers requiring low-latency, high-bandwidth local NVMe storage for model serving and feature retrieval
• High-frequency OLTP database deployments on platforms such as Oracle, Microsoft SQL Server, and PostgreSQL where consistent random write latency directly affects transaction throughput
• Real-time analytics and in-memory database acceleration where NVMe storage acts as a fast persistence or swap tier beneath DRAM
• All-flash storage array build-outs in SAN or NVMe-oF fabric architectures demanding high per-drive mixed read/write IOPS density
• Virtualization host direct-attached storage for hyper-converged infrastructure nodes running VMware vSAN or Nutanix AOS with mixed I/O profiles
• High-performance logging, journaling, and write-ahead log (WAL) offload tiers for distributed databases and streaming platforms such as Apache Kafka

Technical specifications

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