General

Brand	Micron
Model	7450 MAX
Capacity	400GB
Usage Class	Enterprise

Interface

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

Physical Dimension

Form Factor	M.2 2280

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	3
Total Bytes Written	2190 TBW

Performance

Sequential Read	5000 MB/s
Sequential Write	700 MB/s
Random Read IOPS	280000
Random Write IOPS	65000
Average Latency	80 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 7450 MAX 400GB (MTFDKBA400TFS-1BC1ZABYYR) is best suited for write-intensive metadata, journaling, and cache-tier roles in virtualization hosts, HCI nodes, and database log volumes, where its 3 DWPD endurance and 2,190 TBW provide far greater lifecycle headroom than typical read-optimized TLC SSDs in the same capacity class. Compared with mainstream Gen4 drives focused on peak throughput, it delivers a more balanced small-capacity profile for low-latency mixed workloads, combining PCIe Gen4 NVMe responsiveness with strong 280K/65K random IOPS and enterprise-grade 3D TLC reliability.

Endurance & Reliability

With an endurance rating of 2,190 TBW, this 400 GB SSD can support approximately 1.2 TB of writes per day for five years, which is consistent with its 3 DWPD specification. In typical use cases such as a boot or system drive, where daily write volumes are usually much lower than this, the drive offers very comfortable endurance headroom and can easily support 10+ years of lighter workload operation. Its built-in power-loss protection (PLP) helps preserve in-flight data and protects mapping tables during unexpected power interruptions, reducing the risk of corruption and unplanned downtime. An UBER of 1.0E-17, together with a 2 million-hour MTBF, reflects enterprise-class data integrity and reliability, giving procurement teams confidence in stable long-term deployment.

Technical Specs & Insights

1. The PCIe Gen4 NVMe architecture gives this drive the bandwidth and parallelism needed to keep virtualization clusters, analytics nodes, and scale-out storage from being bottlenecked by legacy storage links.
2. Its strong sequential read capability accelerates large-block workloads such as database backup recovery, media streaming, and rapid dataset loading in AI and HPC environments.
3. The high random read performance is especially valuable for OLTP databases, VDI boot storms, and metadata-heavy cloud applications where fast access to small files directly improves user responsiveness.
4. With enterprise-grade write endurance built on 3D TLC NAND, the drive is well suited for mixed-use deployments that demand a balance of sustained write life, predictable performance, and better cost efficiency than write-optimized flash tiers.
5. The low typical latency helps reduce tail-response delays in latency-sensitive services, making application performance more consistent for transactional systems and real-time infrastructure.

Capacity Sweet

Lower capacity reference: 240GB Higher capacity reference: 800GB Capacity positioning analysis: In this SSD family, the 400GB model sits at a practical sweet spot. Compared with the 240GB option, it gives noticeably more headroom for OS images, logs, metadata, and application growth, reducing the risk of early capacity pressure in always-on enterprise workloads. Compared with the 800GB model, it typically offers a more attractive cost point while keeping broadly similar sequential throughput and random IOPS. That makes 400GB an efficient balance of space, performance, and budget for medium-scale deployments, such as a clustered virtualization node pool or a compact edge database platform.

FAQ