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	E3.S

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 MTFDLCE15T3THA-1BK1DABYYR is purpose-built for read-intensive AI data pipelines, large-scale analytics, and high-concurrency content delivery nodes that need PCIe Gen5 throughput, combining 14,000/10,000 MB/s sequential performance with up to 3.3M random-read IOPS in a 15.36TB 3D TLC design. With 1 DWPD endurance and 28,032TBW, it delivers a strong balance of usable capacity, predictable latency, and fleet-level efficiency for deployments where maximizing per-drive read performance matters more than higher-write enterprise tiers.

Endurance & Reliability

With an endurance rating of 28,032 TBW and 1 DWPD, this SSD is designed to sustain full-drive writes every day across its warranty period, making it well suited for demanding enterprise and data-intensive workloads. In typical real-world use, this level of endurance means it can serve reliably as a system or application drive for many years with substantial write headroom, rather than being limited by normal daily operation. For enterprise reliability, built-in power-loss protection helps preserve in-flight data and prevents metadata corruption if power is interrupted unexpectedly, which is critical for maintaining system integrity. Its UBER of 1.0E-17 indicates an exceptionally low probability of unrecoverable bit errors during reads, supporting high data integrity expectations in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe architecture, paired with class-leading sequential read throughput, accelerates dataset staging, VM boot storms, and large-scale analytics by removing storage as a bottleneck in modern server platforms.
2. With up to 3.3M random-read IOPS, this drive sustains extremely high transaction concurrency, making it ideal for latency-sensitive OLTP databases, metadata services, and heavily virtualized environments.
3. A 1 DWPD endurance rating provides predictable write life for mainstream enterprise workloads, helping operators balance performance density with lower replacement frequency and tighter TCO control.
4. Built on 3D TLC NAND, it delivers an effective mix of capacity, speed, and endurance that fits cloud infrastructure, scale-out storage, and general-purpose enterprise deployments.
5. The typical 60 µs latency enables faster application response and more consistent QoS, which is critical for real-time inference, caching tiers, and service platforms with strict SLA targets.

Capacity Sweet

Lower capacity reference: 7680GB Higher capacity reference: 30720GB Capacity positioning analysis: In this product family, 15360GB sits at the practical sweet spot. Compared with the 7680GB model, it gives much better headroom for data growth, mixed workloads, and higher VM density without changing the expected enterprise-class sequential throughput or random IOPS profile too much. Compared with the 30720GB version, it delivers a stronger balance between acquisition cost, usable capacity, and predictable performance per dollar. This makes 15360GB especially well suited for mid-scale virtualization clusters, such as shared storage pools for about 40 to 60 mixed-application virtual machines.

FAQ