General

Brand	Micron
Model	7400 PRO
Capacity	3.84TB
Usage Class	Enterprise

Interface

Host Interface	PCIe Gen4 x4
Total Interface Bandwidth	16 Gb/s

Physical Dimension

Form Factor	U.3 7mm

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	1
Total Bytes Written	7000 TBW

Performance

Sequential Read	6600 MB/s
Sequential Write	3500 MB/s
Random Read IOPS	800000
Random Write IOPS	150000
Average Latency	μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Engineer's Note

The Micron 7400 PRO 3.84TB is purpose-built for read-intensive cloud and scale-out infrastructure workloads—such as CDN edge caching, virtualized server boot/storage tiers, and high-density content repositories—where its PCIe Gen4 x4 interface, 6.6 GB/s sequential read, and 800K random read IOPS translate into fast data access without overprovisioning endurance. Compared with typical 1-DWPD enterprise SSDs in the same class, it stands out by combining high-capacity 3D TLC efficiency with 7,000 TBW durability and balanced 3.5 GB/s write performance, making it a strong fit for operators optimizing rack-level performance per watt and per slot.

Endurance & Reliability

With an endurance rating of 7,000 TBW and 1 DWPD, the MTFDKCB3T8TDZ-1AZ1ZA is built to handle sustained daily write activity over its service life, making it well suited for mainstream enterprise and data-intensive business workloads. In practical terms, for a typical server or system-drive deployment, this level of endurance means the drive can support many years of normal operation with substantial write headroom, giving buyers confidence in long-term usability rather than short-cycle replacement. Its enterprise-class reliability is further strengthened by power-loss protection (PLP), which helps preserve in-flight data and maintain metadata integrity if power is unexpectedly interrupted. In addition, the ultra-low UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates an extremely low likelihood of uncorrectable bit errors and a design optimized for dependable operation in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 x4 interface provides a high-bandwidth host connection that helps remove storage bottlenecks in virtualized clusters, analytics platforms, and AI data pipelines.
2. The sequential read performance enables very fast movement of large datasets, reducing wait time for database scans, backup restores, and model loading in enterprise servers.
3. The random read capability supports heavy mixed-user and metadata-intensive workloads, improving responsiveness for OLTP databases, VMs, and high-concurrency cloud applications.
4. The 1 DWPD endurance rating makes the drive well suited for read-centric enterprise deployments that still require predictable daily rewrite capacity and stable long-term service life.
5. 3D TLC NAND delivers a strong balance of capacity, performance, and cost efficiency, making it a practical choice for mainstream data center storage at scale.

Capacity Sweet

Lower-capacity reference: 1.92TB Higher-capacity reference: 7.68TB At 3.84TB, this SSD sits in the sweet spot of the family. Compared with the 1.92TB option, it gives meaningfully more headroom for OS images, hot data, and growth buffers, reducing early capacity pressure in mixed enterprise workloads. Compared with the 7.68TB model, it preserves nearly the same enterprise-class read/write and random IOPS behavior while delivering a more attractive cost-per-deployment and lower upfront budget impact. This makes 3.84TB especially well suited for mid-scale virtualization clusters, database nodes, and high-density boot-plus-cache server configurations.

FAQ