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	600000
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 MTFDKCC12T8TGJ-1BC1ZA is purpose-built for write-intensive Tier-1 workloads such as OLTP databases, high-frequency virtualization clusters, and real-time analytics, combining 12.8TB of 3D TLC capacity with 3 DWPD endurance and 70,080TBW for sustained enterprise duty cycles. Compared with typical mixed-use PCIe Gen4 SSDs, it delivers a stronger balance of endurance and low-latency performance—up to 7000/7000 MB/s and 1.6M/600K IOPS—making it the better fit where both heavy writes and high transaction density must scale together.

Endurance & Reliability

With an endurance rating of 70,080 TBW and 3 DWPD, the MTFDKCC12T8TGJ-1BC1ZA is designed for very write-intensive enterprise use, supporting up to roughly 38.4 TB of writes per day on a 12.8 TB drive. In typical system-disk, boot, virtualization, or read-heavy application workloads, actual daily writes are usually far below this level, so procurement teams can expect long service life with substantial endurance headroom, often making 10+ years of OS-drive usage entirely realistic from a wear perspective. Its Power Loss Protection (PLP) safeguards in-flight data and metadata during an unexpected power interruption, greatly reducing the risk of corruption and helping maintain consistent enterprise operation. An UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates very strong data integrity and reliability performance, which is especially important for servers, storage platforms, and other business-critical environments.

Technical Specs & Insights

1. The PCIe Gen4 NVMe architecture, paired with top-tier sequential throughput, accelerates large dataset streaming and VM image loading for faster application startup in dense enterprise servers.
2. With extremely high random read performance, this drive can sustain heavy OLTP, metadata, and virtualization access patterns while keeping more users and workloads responsive at the same time.
3. A 3 DWPD endurance rating makes it well suited for write-intensive enterprise environments such as logging, caching, and mixed database workloads that demand consistent reliability over the service life of the drive.
4. Built on 3D TLC NAND, it delivers an effective balance of capacity, performance, and cost efficiency, making it a practical choice for scaling mainstream data center deployments without sacrificing dependability.
5. Its 69 µs typical latency helps reduce storage response time at the microsecond level, supporting faster transaction handling and more predictable QoS for latency-sensitive applications.

Capacity Sweet

Within the same series, the next lower capacity is 6.4TB and the next higher capacity is 25.6TB. As typical for enterprise SSD families, their sequential read/write performance and random IOPS are broadly similar to the 12.8TB model. In this lineup, 12.8TB sits at the sweet spot: it offers noticeably more headroom and workload flexibility than 6.4TB, while avoiding the higher acquisition cost and potential overprovisioning of 25.6TB. It is especially well suited for mid-scale virtualization clusters, such as shared storage for roughly 40 to 60 mixed application and database VMs.

FAQ