General

Brand	Micron
Model	9550 MAX
Capacity	25600GB
Usage Class	Enterprise

Interface

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

Physical Dimension

Form Factor	E3.S 7.5mm

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	3
Total Bytes Written	140160 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	10000 MB/s
Random Read IOPS	2800000
Random Write IOPS	700000
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 MAX 25.6TB is purpose-built for write-intensive, latency-sensitive data center workloads such as large-scale OLTP databases, real-time analytics, and AI/ML data ingestion, combining PCIe Gen5 performance up to 14,000/10,000 MB/s with 2.8M/700K random IOPS. Its 3 DWPD endurance and massive 140,160 TBW on high-density 3D TLC NAND give it a clear advantage over typical capacity-optimized enterprise SSDs by sustaining heavy mixed-read/write workloads at full scale without sacrificing usable capacity.

Endurance & Reliability

With an endurance rating of 140,160 TBW and 3 DWPD, the MTFDLBQ25T6THB-1BK1DFCYY is designed for sustained heavy write workloads far beyond typical system-boot or general server usage. In practical terms, for common enterprise OS, application, and mixed-use deployments, this level of endurance provides ample write headroom for many years of operation, making it a low-risk choice for long-term service life. Its enterprise-grade reliability is further strengthened by power-loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. An UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity expectations in business-critical environments, while the 2.5 million hour MTBF reflects a platform built for dependable continuous operation.

Technical Specs & Insights

1. The PCIe Gen5 NVMe architecture, paired with 14,000 MB/s sequential read performance, enables ultra-fast dataset streaming and sharply reduces checkpoint, cache, and large-volume analytics load times in modern AI and cloud servers.
2. With 2,800,000K random read IOPS, this drive sustains massive parallel access without becoming a bottleneck, making it ideal for high-concurrency virtualization, OLTP databases, and metadata-heavy workloads.
3. Rated for 3 DWPD, it is built for write-intensive enterprise environments where logs, journaling, caching, and continuous data ingestion demand predictable endurance over the full service life.
4. Its 3D TLC NAND strikes a practical balance between performance, endurance, and cost efficiency, giving enterprises dependable mixed-workload storage without the premium of more specialized flash media.
5. A typical latency of 60 µs helps keep response times consistently low, which is critical for latency-sensitive applications such as real-time analytics, transactional systems, and scale-out storage platforms.

Capacity Sweet

Lower capacity reference: 15.36TB Higher capacity reference: 30.72TB Capacity positioning analysis: At 25.6TB, this SSD sits in the sweet spot of the series. Compared with the 15.36TB model, it offers substantially more headroom for data growth, longer refresh cycles, and better rack-level density without changing the expected enterprise performance profile. Compared with the 30.72TB version, it usually delivers a more attractive cost-per-deployment while keeping sequential throughput and random IOPS broadly in the same class. This makes 25.6TB especially suitable for mid-to-large virtualization clusters, high-density all-flash arrays, or analytics nodes hosting mixed hot and warm datasets.

FAQ