General

Brand	Micron
Model	9550 PRO
Capacity	15360GB
Usage Class	Enterprise

Interface

Host Interface	PCIe Gen5 NVMe
Total Interface Bandwidth	32 Gb/s

Physical Dimension

Form Factor	U.2

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	1
Total Bytes Written	28032 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	10000 MB/s
Random Read IOPS	3300000
Random Write IOPS	400000
Average Latency	60 μs

Reliability

Mean Time Between Failures	2.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Engineer's Note

The Micron 9550 PRO 15.36TB (MTFDLAL15T3THA-1BK1DABYYT) is best suited for read-intensive AI data staging, large-scale analytics, and high-density virtualized infrastructure, where its PCIe Gen5 performance of up to 14,000/10,000 MB/s and 3.3M random-read IOPS keeps GPUs and CPU clusters fed with minimal storage latency. In its class, it stands out by combining very high capacity with 3D TLC endurance rated at 1 DWPD and 28,032 TBW, giving architects a strong balance of rack-level density, sustained throughput, and enterprise durability for mixed but predominantly read-heavy workloads.

Endurance & Reliability

With an endurance rating of 28,032 TBW and 1 DWPD, this SSD is built to sustain a full drive write per day across its warranty-rated usage profile, making it well suited for write-intensive enterprise workloads. In typical real-world deployment, especially for OS boot, application, logging, or read-heavy infrastructure use, this level of endurance translates into many years of dependable service and can be considered more than sufficient for a system drive over a 10-year operating horizon. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery integrity. Its ultra-low UBER of 1.0E-17, together with a 2.5 million-hour MTBF, indicates an enterprise-class reliability design focused on minimizing uncorrectable read errors and supporting stable long-term operation in critical environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe interface gives this drive the bandwidth headroom to keep GPU servers, high-core-count databases, and scale-out storage nodes fed without the bus becoming the bottleneck.
2. Its class-leading sequential read performance accelerates large-block workloads such as AI model loading, checkpoint restores, data lake scans, and analytics pipeline warm-up.
3. Exceptional random read capability translates into faster response for highly concurrent VM farms, metadata-heavy platforms, and latency-sensitive online transaction environments.
4. A 1 DWPD endurance profile makes it a strong fit for read-intensive enterprise deployments that still require predictable write tolerance across the full service life.
5. Built on 3D TLC NAND and backed by very low typical latency, the drive balances enterprise-grade capacity economics with the fast, consistent access times needed for real-time infrastructure.

Capacity Sweet

Lower capacity reference: 7680GB Higher capacity reference: 30720GB Within this product family, 15360GB sits in the practical sweet spot. Compared with 7680GB, it provides much better headroom for growth, retention buffers, and denser workload consolidation, reducing the risk of early capacity pressure. Compared with 30720GB, it keeps acquisition cost, replacement budgeting, and per-node storage sizing more balanced while maintaining broadly similar enterprise-class sequential and random performance characteristics. This makes 15360GB especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 60 to 80 mixed business VMs per storage node.

FAQ