General

Brand	Micron
Model	9400 MAX
Capacity	12800GB
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	70080 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	7000 MB/s
Random Read IOPS	1600000
Random Write IOPS	60000
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 12.8TB (MTFDKCC12T8TGJ-1BC1ZAB) is engineered for write-intensive, latency-sensitive enterprise workloads such as high-frequency OLTP databases, large-scale virtualization, and AI data logging, combining 3 DWPD endurance with 70,080 TBW for sustained heavy-duty operation. With PCIe Gen4 NVMe performance up to 7000/7000 MB/s and 1.6M random read IOPS, it delivers the rare combination of top-tier throughput, very high usable capacity, and TLC-based endurance that helps consolidate more mixed workloads per drive.

Endurance & Reliability

With an endurance rating of 70,080 TBW and 3 DWPD, the MTFDKCC12T8TGJ-1BC1ZAB is designed for sustained write-intensive enterprise use, allowing the full drive capacity to be written three times per day across its rated life. In typical server or system-drive workloads, this provides a very large endurance margin and is more than sufficient to support many years of stable operation, often well beyond normal platform refresh cycles. Its enterprise-grade reliability is further strengthened by power-loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is unexpectedly interrupted. An UBER of 1.0E-17 means the drive is engineered for an extremely low unrecoverable bit error rate, supporting high data integrity requirements in business-critical storage environments.

Technical Specs & Insights

1. The PCIe Gen4 NVMe interface gives this drive the bandwidth and parallelism needed to keep virtualization clusters, analytics nodes, and scale-out storage pipelines from being bottlenecked by legacy SATA or SAS links.
2. With up to 7000 MB/s sequential read performance, it accelerates large-block workloads such as database backup restores, media streaming, and AI model loading, cutting wait time for data-heavy applications.
3. Delivering 1,600,000 K IOPS in random reads, it is built for latency-sensitive enterprise environments where dense VM farms, OLTP databases, and metadata-heavy workloads demand fast access at massive queue depth.
4. Rated for 3 DWPD, the drive can sustain heavy daily overwrite cycles in write-intensive deployments like caching tiers, logging platforms, and mixed enterprise databases without compromising service life.
5. Built on 3D TLC NAND and tuned for a typical latency of 69 µs, it balances cost-efficient high capacity with the consistently fast response times required for predictable QoS in business-critical systems.

Capacity Sweet

Lower reference capacity: 6.4TB Higher reference capacity: 25.6TB Typical family-level performance: around 6.5-7.0 GB/s sequential read, about 5.0 GB/s sequential write, and roughly 1.0M random read IOPS with about 180K-200K random write IOPS, depending on firmware and workload profile. At 12.8TB, this SSD sits in the sweet spot of the family. Versus the 6.4TB model, it gives much better headroom for dataset growth, longer refresh cycles, and fewer capacity-driven drive swaps. Versus the 25.6TB option, it usually delivers the best balance of usable space, acquisition cost, and predictable enterprise performance without overcommitting budget. It is especially well suited for a mid-scale virtualization cluster, such as hosting boot and application volumes for about 60 to 80 mixed-production virtual machines.

FAQ