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

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	930000
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 MTFDLBQ6T4THB-1BK1DABYYT 9550 MAX 6.4TB is purpose-built for write-intensive AI feature stores, large-scale OLTP databases, and high-churn virtualization clusters, combining PCIe Gen5 performance up to 14,000/10,000 MB/s with 3.3M/930K IOPS to keep latency low under mixed random workloads. Its standout value in the high-end enterprise tier is the rare combination of 3 DWPD endurance, 35,040 TBW, and 3D TLC reliability at 6.4TB, making it a stronger fit than typical read-optimized Gen5 SSDs for sustained heavy-write deployment.

Endurance & Reliability

With an endurance rating of 35,040 TBW and 3 DWPD, the MTFDLBQ6T4THB-1BK1DABYYT is built for sustained write-intensive enterprise use, allowing the full drive capacity to be written three times per day throughout its rated service life. In practical terms, under typical server or storage workloads, this level of endurance provides a very large operational margin and is more than sufficient for long-term deployment as a boot drive, application drive, or mixed-use data drive with confidence. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity expectations in business-critical environments, while the 2.5 million-hour MTBF further reflects a design focused on dependable continuous operation.

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 analytics platforms fed without storage becoming the next bottleneck.
2. With sequential read performance reaching 14,000 MB/s, it can sharply reduce dataset staging, checkpoint loading, and large-file scan times in AI, HPC, and backup recovery workflows.
3. Its random read capability of 3,300,000 K IOPS enables extremely high VM density and faster response for metadata-heavy OLTP, real-time indexing, and distributed cache environments.
4. Rated for 3 DWPD, the drive is built for sustained write-intensive enterprise workloads such as logging, streaming ingestion, and mixed-use transactional systems without premature wear concerns.
5. Built on 3D TLC NAND and tuned for a typical latency of 60 µs, it balances enterprise-grade capacity economics with the consistently fast response needed for latency-sensitive applications and predictable QoS.

Capacity Sweet

Reference capacities in the same family are 3.84TB as the next lower option and 7.68TB as the next higher option. At 6.4TB, this SSD sits in the sweet spot of the lineup: it delivers clearly better headroom than 3.84TB for VM growth, log retention, and mixed application datasets, while avoiding the higher acquisition cost of 7.68TB when that extra space may remain underused. Because sequential throughput and random IOPS stay broadly in line across these enterprise capacities, 6.4TB offers the best cost-performance balance for medium-scale clusters, such as a 12 to 16-node virtualization or database environment.

FAQ