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	U.2

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	1050000
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 data pipelines, high-frequency OLTP databases, and large-scale virtualization clusters that need sustained write endurance, combining PCIe Gen5 performance up to 14,000/10,000 MB/s with 3.3M/1.05M IOPS and 3 DWPD durability. Compared with typical enterprise Gen4 TLC SSDs in the same capacity class, it delivers a major step up in bandwidth and transaction density while preserving data-center-grade endurance with 35,040 TBW, making it a strong fit for mixed read/write workloads that cannot trade consistency for speed.

Endurance & Reliability

With an endurance rating of 35,040 TBW, this SSD can sustain approximately 35 petabytes of total host writes, which is far beyond the write volume of a typical boot or application drive. In practical terms, for normal system-disk, virtualization, and general enterprise workloads, it provides very large endurance headroom and can support many years of operation with confidence, while its 3 DWPD rating confirms suitability for consistently write-intensive use. This model also includes power-loss protection, which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Its enterprise-class UBER of 1.0E-17, together with a 2.5 million hour MTBF, indicates an extremely low likelihood of uncorrectable bit errors and supports dependable operation in business-critical storage environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe interface provides next-generation host bandwidth, helping remove storage bottlenecks in GPU servers, real-time analytics clusters, and dense virtualization environments.
2. With 14,000 MB/s sequential read performance, the drive accelerates large-block data movement so databases, AI training pipelines, and backup recovery jobs complete noticeably faster.
3. Delivering 3,300,000 K random read IOPS, it is well suited for metadata-heavy workloads such as high-frequency transaction processing, scale-out storage, and latency-sensitive cloud services.
4. Rated at 3 DWPD, this SSD can sustain intensive daily overwrite cycles, making it a strong fit for write-active enterprise applications that demand long service life and predictable maintenance windows.
5. Built on 3D TLC NAND with a typical latency of 60 µs, it balances enterprise-grade capacity efficiency with consistently fast response times for mixed workloads that require both scale and responsiveness.

Capacity Sweet

Reference capacities in the same family: Lower capacity: 3.2TB Higher capacity: 7.68TB Typical performance positioning versus the 6.4TB model: Sequential read/write: broadly similar across 3.2TB, 6.4TB, and 7.68TB Random read/write IOPS: generally in the same enterprise-performance band, with only minor SKU-level variation Capacity positioning analysis: At 6.4TB, this SSD sits in the sweet spot of the series. Compared with the 3.2TB option, it gives much better space headroom for OS images, hot data, and future growth, reducing early capacity pressure in dense enterprise deployments. Compared with 7.68TB, it usually delivers a more attractive cost-to-usable-capacity balance while keeping performance in the same practical tier. This makes 6.4TB especially well suited for mid-scale virtualization clusters, such as hosting system and application volumes for about 60 to 90 general-purpose virtual machines.

FAQ