General

Brand	Micron
Model	9550 MAX
Capacity	6400GB
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	35040 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	10000 MB/s
Random Read IOPS	3300000
Random Write IOPS	640000
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 6.4TB is purpose-built for latency-sensitive AI training, large-scale OLTP databases, and high-concurrency virtualization clusters that need PCIe Gen5 throughput up to 14,000/10,000 MB/s and class-leading 3.3M random read IOPS. With 3 DWPD endurance, 35,040 TBW, and 3D TLC NAND, it delivers a stronger balance of sustained write durability and extreme mixed-workload performance than typical enterprise NVMe SSDs in its class.

Endurance & Reliability

With an endurance rating of 35,040 TBW and 3 DWPD, the MTFDLBQ6T4THB-1BK1DABYY is designed for sustained write-intensive enterprise use, allowing the drive to be written to three full times per day throughout its rated service life. In typical real-world deployment, this means it can comfortably handle demanding system, database, cache, and virtualization workloads over many years, far beyond the write volume of an ordinary boot drive and with substantial endurance headroom for continuous operation. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is interrupted unexpectedly. Its UBER of 1.0E-17 indicates an extremely low likelihood of unrecoverable bit errors during reads, and together with the 2.5 million-hour MTBF, it reflects the high data integrity and operational dependability expected in data center environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe architecture unlocks a new class of storage bandwidth, helping GPU servers and high-core-count platforms keep data pipelines saturated instead of waiting on disk I/O.
2. Its sequential read performance dramatically shortens large-model loading, checkpoint restores, and multi-terabyte dataset scans in AI, analytics, and HPC environments.
3. The random read capability enables extremely high transaction concurrency, allowing dense virtualization clusters, metadata-heavy databases, and real-time inference services to sustain fast response under mixed workloads.
4. With a write endurance profile built for frequent full-drive rewrites, this SSD is well suited for cache tiers, logging, OLTP databases, and other write-intensive enterprise deployments that demand predictable lifespan.
5. The 3D TLC NAND design balances enterprise-class capacity, endurance, and cost efficiency, while the low typical latency helps reduce tail-response times for latency-sensitive applications such as trading, search, and distributed databases.

Capacity Sweet

lower_capacity: 3840GB higher_capacity: 7680GB At 6400GB, this model sits in the sweet spot of the family. Compared with the 3840GB option, it gives meaningfully more headroom for dataset growth, VM sprawl, and write buffering, reducing the chance of early capacity pressure. Compared with the 7680GB version, it typically delivers a better cost-per-deployment balance while keeping enterprise-class sequential throughput and random IOPS in the same practical range. This makes 6400GB especially well suited for mid-scale virtualization clusters, such as shared storage pools for about 60 to 80 mixed-workload virtual desktops or application instances.

FAQ