Seagate Nytro 5550 NVMe Enterprise SSD 15.36TB

The Seagate Nytro 5550 NVMe SSD represents Seagate's flagship read-intensive enterprise solid-state storage, built on a PCIe 5.0 x4 interface to unlock sequential read throughput exceeding 14 GB/s and random read performance surpassing 2.5 million IOPS. The drive leverages advanced 3D TLC NAND paired with a high-performance NVMe 2.0 controller to sustain those figures under sustained enterprise queue depths, making it uniquely suited for workloads that demand rapid, repeated access to immense static or semi-static datasets. At 15.36TB in a 2.5-inch U.3 form factor, it enables unprecedented raw capacity per drive bay, reducing the number of drives — and therefore the cost per terabyte — required to populate high-density JBOF, AFA, and hyperconverged platforms.

Architecturally, the Nytro 5550 is purpose-built for read-dominated environments with an endurance rating calibrated at 1 Drive Write Per Day (DWPD), reflecting its optimization for AI inferencing data lakes, streaming analytics, and large-scale content repositories rather than write-heavy transactional workloads. The drive implements end-to-end data path protection with T10 DIF/DIX (PI Type 1, 2, and 3), hardware-accelerated AES-256 encryption (SED-OPAL 2.0 and TCG Enterprise), and power-loss protection circuitry to ensure data integrity during sudden outages. Seagate's proprietary NAND management firmware delivers consistent latency profiles with 99.9th percentile latency characteristics suitable for latency-sensitive AI pipeline stages.

The Nytro 5550 15.36TB integrates seamlessly into modern enterprise ecosystems through its U.3 tri-mode interface support, enabling backward compatibility with U.2 backplanes via a passive adapter cable — a critical operational advantage in mixed-generation data centers. Full NVMe-MI (Management Interface) support enables out-of-band telemetry, predictive health monitoring, and firmware update orchestration through standard Redfish and OpenBMC management stacks. This combination of maximum areal density, Gen5 bandwidth, and enterprise manageability positions the Nytro 5550 as a foundational storage element in GPU-accelerated servers where storage I/O bandwidth must keep pace with petabyte-scale model training and inference pipelines.

Ideal for

• AI and machine learning training dataset staging: storing multi-terabyte image, video, and text corpora directly accessible at Gen5 NVMe speeds to eliminate GPU starvation during batch loading
• Large-scale inference serving: caching quantized model weights and embedding tables for real-time LLM inference across high-throughput API endpoints
• High-density all-flash arrays: maximizing usable capacity per 2U shelf in JBOF configurations for video surveillance archives, genomics databases, and seismic data repositories
• Content delivery and streaming media: serving high-bitrate 4K/8K video-on-demand libraries with sustained multi-gigabyte-per-second read throughput from a minimal drive count
• HPC scratch and checkpoint storage: providing fast, high-capacity local NVMe storage in dense compute nodes for scientific simulation state checkpointing and intermediate result staging
• Cloud and hyperscale read-cache tier: acting as a persistent caching layer in front of object storage or spinning disk pools to accelerate metadata lookups and hot-data retrieval at scale

Technical specifications

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