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	E1.S

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	1
Total Bytes Written	7008 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	6000 MB/s
Random Read IOPS	3000000
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 MTFDLCE3T8THA-1BK1DABYYT is best suited for AI data staging, large-scale analytics, and high-concurrency read-intensive virtualization clusters, where its 3.84TB 3D TLC design combines PCIe Gen5 throughput of up to 14,000 MB/s with 3,000,000 random read IOPS to remove storage bottlenecks. Compared with typical mainstream enterprise SSDs in the same capacity class, it delivers a stronger balance of extreme read performance and practical mixed-use endurance at 1 DWPD and 7008 TBW, making it a more efficient choice for latency-sensitive infrastructure that must scale without sacrificing drive life.

Endurance & Reliability

With an endurance rating of 7008 TBW and 1 DWPD, this 3.84TB SSD is designed to support writing its full capacity once per day across the warranty period, making it well suited for steady enterprise workloads such as boot, system, logging, caching, and mixed read/write infrastructure use. In practical terms, under typical server and storage workloads, this level of endurance provides substantial write headroom and can be deployed as a reliable system or application drive for many years without endurance being a concern. For enterprise reliability, built-in power-loss protection (PLP) helps preserve data in flight and protects metadata integrity if power is interrupted unexpectedly, reducing the risk of corruption and unplanned recovery events. Its UBER rating of 1.0E-17 indicates an extremely low probability of uncorrectable bit errors during reads, while the 2.5 million hour MTBF further supports confidence in stable long-term operation in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe interface gives this drive the bandwidth headroom to keep GPU servers, high-speed storage nodes, and modern database platforms from being bottlenecked by legacy bus limits.
2. Its top-tier sequential read performance accelerates large block workloads such as AI model loading, checkpoint recovery, analytics scans, and backup restore operations.
3. Its exceptionally strong random read capability is built for transaction-heavy environments, helping virtualized clusters, OLTP databases, and metadata-intensive platforms sustain fast response under massive concurrency.
4. With an enterprise endurance profile based on 3D TLC NAND, it offers a practical balance of write sustainability, capacity efficiency, and cost control for read-intensive cloud and scale-out deployments.
5. The very low typical latency helps reduce tail-response delays, which is critical for latency-sensitive applications like real-time analytics, high-frequency querying, and performance-consistent multi-tenant services.

Capacity Sweet

Lower reference capacity: 1920GB Higher reference capacity: 7680GB In this series, the 3840GB model sits at the sweet spot. Compared with the 1920GB version, it gives materially better headroom for data growth, overprovisioning, and mixed-workload consolidation without changing the expected enterprise-class read/write and random IOPS profile too much. Compared with the 7680GB option, it usually delivers a more attractive cost-per-deployment while avoiding unnecessary capacity that may sit underutilized. This makes 3840GB especially well suited for medium-scale virtualization clusters, such as shared storage pools supporting around 40 to 60 business application VMs with steady daily transaction activity.

FAQ