General

Brand	Micron
Model	9550 PRO
Capacity	3840GB
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	1
Total Bytes Written	7008 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	10000 MB/s
Random Read IOPS	3300000
Random Write IOPS	300000
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 MTFDLAL3T8THA-1BK1DABYYR is best suited for latency-sensitive AI data pipelines, high-frequency OLTP databases, and mixed read/write virtualization clusters that need Gen5 bandwidth, delivering up to 14,000/10,000 MB/s and 3.3M/300K IOPS from a 3.84TB 3D TLC platform. With 1 DWPD endurance and 7008 TBW, it provides a strong balance of sustained write durability and extreme random-read performance, making it a higher-throughput choice than typical Gen4 enterprise SSDs for performance-dense server nodes.

Endurance & Reliability

With an endurance rating of 7,008 TBW and 1 DWPD, this 3.84TB SSD is designed to support writing its full capacity once per day across the warranty period, which is a strong fit for typical enterprise and mixed-use workloads. In practical terms, for common server OS, boot, virtualization, and read-heavy application scenarios, this level of endurance provides ample write headroom for many years of stable operation without endurance becoming a concern. From a reliability standpoint, built-in Power Loss Protection (PLP) helps preserve in-flight data and protect metadata integrity if power is interrupted unexpectedly, reducing the risk of corruption during sudden outages. Its enterprise-class UBER of 1.0E-17 means an extremely low probability of unrecoverable bit errors during reads, supporting high data integrity and dependable operation in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe architecture provides a next-generation data path that removes storage bottlenecks in GPU servers, enabling faster dataset staging, checkpoint loading, and analytics at scale.
2. Its top-tier sequential read performance accelerates large-block workloads such as AI model ingestion, backup restores, and high-resolution media streaming, reducing time-to-data for enterprise applications.
3. Exceptional random read capability allows the drive to sustain massive parallel access from virtual machines, databases, and cloud-native services without becoming a contention point.
4. A 1 DWPD endurance rating makes it well suited for read-intensive enterprise deployments that still require predictable write headroom, such as content delivery, boot infrastructure, and scale-out storage tiers.
5. Built with 3D TLC NAND and optimized for low typical latency, the drive balances enterprise-class capacity, efficiency, and responsiveness to keep transaction-heavy workloads consistently fast under load.

Capacity Sweet

Lower capacity reference: 1.92TB Higher capacity reference: 7.68TB In this series, the 3.84TB model sits at the practical sweet spot. Compared with the 1.92TB version, it gives much better headroom for dataset growth, RAID overprovisioning, and mixed application consolidation without changing the expected enterprise-class read, write, or random IOPS profile too much. Compared with the 7.68TB option, it usually delivers a more efficient cost-per-node while avoiding unnecessary capacity spend and keeping performance well balanced. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 business VMs.

FAQ