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 9.5mm

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 3.84TB is purpose-built for latency-sensitive AI data pipelines, high-frequency OLTP databases, and mixed read/write virtualization clusters, combining PCIe Gen5 bandwidth with up to 14,000 MB/s read throughput and 3,000,000 random read IOPS to accelerate data access where queue depth and response consistency matter. With 3D TLC NAND, 1 DWPD endurance, and 7008 TBW in a compact 3.84TB class point, it delivers a strong balance of sustained reliability and usable write life for enterprise deployments that need premium read performance without stepping up to a higher-endurance drive tier.

Endurance & Reliability

With an endurance rating of 7008 TBW and 1 DWPD, the MTFDLBT3T8THA-1BK1JABYY is designed to handle sustained daily write activity across demanding enterprise workloads, making it more than sufficient for typical OS, boot, and mixed application storage scenarios. In practical terms, this level of endurance supports long-term deployment with a wide write margin, so for system-disk use or general server workloads, procurement teams can expect dependable service life under normal operating conditions. For enterprise reliability, built-in power-loss protection (PLP) helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly, reducing the risk of corruption during unplanned outages. Its UBER rating of 1.0E-17 indicates an extremely low unrecoverable bit error rate, and together with the 2.5 million-hour MTBF, it reflects a drive engineered for high data integrity and stable operation in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen5 NVMe interface gives this drive the headroom to keep modern CPU and GPU platforms fed efficiently, making it well suited for AI servers, high-speed analytics, and dense virtualization clusters.
2. Its class-leading sequential read performance shortens the time required to load massive models, databases, and checkpoint files, helping enterprise applications start faster and process large datasets with less waiting.
3. Extremely strong random read capability enables the SSD to sustain heavy mixed-user and metadata-intensive workloads, which is critical for low-latency databases, cloud platforms, and real-time transaction systems.
4. A 1 DWPD endurance profile provides predictable write life for mainstream enterprise deployments, balancing long-term reliability with cost efficiency in read-centric and mixed-use environments.
5. Built on 3D TLC NAND and backed by very low typical latency, the drive delivers a practical combination of enterprise capacity density, consistent responsiveness, and dependable QoS for mission-critical infrastructure.

Capacity Sweet

Lower capacity reference: 1920GB Higher capacity reference: 7680GB In this SSD family, 3840GB is the practical sweet spot. Compared with 1920GB, it gives materially more headroom for capacity growth, mixed-workload buffering, and longer refresh cycles, reducing the risk of early space pressure in virtualized or containerized environments. Compared with 7680GB, it delivers a more balanced acquisition cost while keeping broadly similar enterprise-class sequential throughput and random IOPS behavior. That makes 3840GB especially well suited for mid-scale deployments, such as a 4-node virtualization cluster, a busy departmental database tier, or high-density boot and log volumes.

FAQ