General

Brand	Micron
Model	9400 MAX
Capacity	25600GB
Usage Class	Enterprise

Interface

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

Physical Dimension

Form Factor	U.3 15mm

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	3
Total Bytes Written	140160 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	7000 MB/s
Random Read IOPS	1500000
Random Write IOPS	55000
Average Latency	69 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 9400 MAX 25.6TB (MTFDKCC25T6TGJ-1BC1ZABYYR) is purpose-built for write-intensive scale-out databases, real-time analytics, and high-density virtualization clusters that need both very large capacity and sustained endurance, combining 3 DWPD with an exceptional 140,160 TBW rating. With PCIe Gen4 NVMe performance up to 7000/7000 MB/s and 1.5M random read IOPS, it delivers a strong mix of throughput, capacity efficiency, and enterprise-grade 3D TLC reliability that helps consolidate more hot data per drive without sacrificing service consistency.

Endurance & Reliability

With an endurance rating of 140,160 TBW and 3 DWPD, this SSD is designed to handle extremely heavy write activity over its usable life, far beyond the demands of a typical OS, boot, or general server application drive. In practical terms, under normal enterprise workloads it can support many years of continuous use with substantial write headroom, giving procurement confidence that endurance will not be a limiting factor in long-term deployment. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Its ultra-low UBER of 1.0E-17 also means an exceptionally low probability of unrecoverable bit errors during reads, supporting high data integrity for business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 NVMe interface gives this drive the bandwidth and parallelism needed to keep virtualized clusters, analytics nodes, and GPU servers fed without storage becoming the bottleneck.
2. Its strong sequential read performance accelerates large-block data movement, reducing wait time for database snapshots, media pipelines, and AI model loading in production environments.
3. The very high random read capability enables consistently fast access to small, scattered data, which is critical for OLTP databases, high-density VMs, and latency-sensitive cloud workloads.
4. With an endurance profile suited to multiple full-drive writes per day, it is well matched for write-intensive enterprise applications such as logging, caching, and mixed-workload transactional systems.
5. Built on 3D TLC NAND and backed by low typical latency, it balances enterprise-grade capacity efficiency with responsive QoS, helping data centers scale storage without sacrificing application responsiveness.

Capacity Sweet

Lower capacity reference: 15360GB Higher capacity reference: 30720GB In this series, the 25600GB model sits at a practical sweet spot. Compared with the 15360GB version, it offers much better headroom for data growth, cache expansion, and denser consolidation without changing the expected enterprise-class read/write and random IOPS profile. Compared with the 30720GB option, it preserves nearly the same performance behavior while delivering a more attractive cost-per-deployment balance and lower stranded-capacity risk. It is especially well suited for mid-to-large virtualization clusters, such as hosting boot and application volumes for roughly 140–180 general-purpose virtual machines.

FAQ