General

Brand	Micron
Model	7400 MAX
Capacity	6400GB
Usage Class	Enterprise

Interface

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

Physical Dimension

Form Factor	U.3 7mm

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	3
Total Bytes Written	35040 TBW

Performance

Sequential Read	6600 MB/s
Sequential Write	5400 MB/s
Random Read IOPS	1000000
Random Write IOPS	363000
Average Latency	75 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 MAX 6.4TB (MPN: MTFDKCB6T4TFC-1AZ1ZABYY) is purpose-built for write-intensive Tier 1 workloads such as OLTP databases, high-frequency logging, distributed storage journals, and virtualization clusters that need both sustained endurance and low-latency PCIe Gen4 NVMe performance. With 3 DWPD, 35,040 TBW, up to 6600/5400 MB/s sequential throughput, and 1,000,000/363,000 random read/write IOPS from 3D TLC NAND, it delivers a stronger endurance-to-performance balance than typical read-optimized enterprise SSDs in the same capacity class.

Endurance & Reliability

With an endurance rating of 35,040 TBW and 3 DWPD, the MTFDKCB6T4TFC-1AZ1ZABYY is built for sustained heavy write workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, application, and mixed enterprise usage, so it can serve as a system or caching drive for many years with substantial write headroom under normal deployment conditions. For enterprise reliability, built-in power-loss protection helps preserve data in flight and prevents metadata corruption if power is interrupted unexpectedly. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low probability of unrecoverable bit errors and strong long-term operational stability, which supports dependable use in business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 NVMe architecture unlocks host bandwidth far beyond legacy SAS or SATA, enabling dense servers to ingest and move data fast enough for analytics, virtualization, and scale-out storage tiers.
2. Its top-tier sequential read performance accelerates large-block workloads such as database backup restore, media processing, and AI dataset loading, reducing wait time for bulk data movement.
3. With million-class random read capability, the drive sustains extremely high transaction concurrency, making it well suited for OLTP databases, metadata-heavy platforms, and latency-sensitive cloud services.
4. The 3 DWPD endurance rating supports sustained write-intensive enterprise operation, giving IT teams confidence in long service life under logging, caching, and mixed-workload deployment.
5. Built with 3D TLC NAND and tuned for low typical latency, it balances enterprise-grade capacity economics with consistently fast response times for real-time applications and heavily consolidated infrastructure.

Capacity Sweet

Lower reference capacity: 3200GB Higher reference capacity: 7680GB In this series, the 6400GB model sits in a practical sweet spot. Compared with the 3200GB version, it offers much better capacity headroom for growth, reducing early replacement pressure and leaving more room for snapshots, logs, and mixed application data. Compared with the 7680GB option, it usually delivers a more attractive cost-to-usable-capacity balance while keeping essentially the same enterprise-class sequential throughput and random IOPS profile. This makes 6400GB especially well suited for mid-scale virtualization clusters, such as hosting boot and workload storage for around 60 to 80 general-purpose VMs.

FAQ