General

Brand	Micron
Model	7450 MAX
Capacity	400GB
Usage Class	Mixed Use

Interface

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

Physical Dimension

Form Factor	M.2 2280

Flash & Endurance

NAND Flash	176-layer 3D TLC
Drive Writes Per Day	3
Total Bytes Written	2190 TBW

Performance

Sequential Read	5500 MB/s
Sequential Write	1100 MB/s
Random Read IOPS	350000
Random Write IOPS	105000
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-1BC1ZABYY) is purpose-built for write-intensive metadata, logging, boot, and caching tiers in PCIe Gen4 servers, combining 3 DWPD endurance and 2,190 TBW with low-capacity efficiency that avoids overprovisioning larger drives for small-footprint high-write roles. Its 176-layer 3D TLC NAND and balanced performance profile—up to 5,500 MB/s read, 1,100 MB/s write, and 350K/105K random IOPS—make it a stronger fit than mainstream read-centric SSDs when consistent endurance and predictable latency matter more than raw capacity.

Endurance & Reliability

With an endurance rating of 2,190 TBW and 3 DWPD, the MTFDKBA400TFS-1BC1ZABYY is built for sustained write-intensive use and can comfortably handle typical enterprise system, boot, logging, and mixed application workloads over its service life. In practical terms, for normal OS and application-drive usage, this level of endurance provides a very large write margin and can support many years of stable operation without endurance being a concern. For enterprise reliability, built-in power loss protection helps preserve in-flight data and mapping tables during unexpected power interruptions, reducing the risk of corruption and improving recovery confidence. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity expectations for business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 NVMe interface gives this drive the bandwidth and low-overhead command path needed to keep virtualization clusters, analytics platforms, and scale-out databases fed without becoming a storage bottleneck.
2. Its sequential read performance enables much faster movement of large datasets, helping reduce backup windows, accelerate media streaming, and shorten time-to-insight for data-intensive workloads.
3. Strong random read capability supports consistently responsive performance for high-concurrency applications such as OLTP databases, VDI environments, and metadata-heavy cloud services.
4. The 3 DWPD endurance rating makes it well suited for write-intensive enterprise use cases, allowing sustained daily data churn with the reliability required for long-life deployment in production servers.
5. Built on advanced 176-layer 3D TLC NAND with typical latency around 80 µs, the drive delivers a balanced mix of density, efficiency, and fast response times that helps improve application QoS in latency-sensitive infrastructure.

Capacity Sweet

Lower-capacity reference: 200GB Higher-capacity reference: 800GB In this series, the 400GB model sits at a practical sweet spot. Compared with the 200GB version, it gives noticeably better capacity headroom for OS images, logs, metadata, and short-term workload growth, reducing early replacement pressure. Compared with the 800GB option, it keeps acquisition cost and power footprint more controlled while delivering essentially the same enterprise-class sequential throughput and random IOPS profile. This makes 400GB a balanced choice for mid-scale deployments, such as boot and infrastructure storage for a 3- to 5-node virtualization or container cluster.

FAQ