Specifications
MPN
MTFDKCC25T6TGJ-1BC1ZABYY
Series
Micron 9400 MAX
Capacity
25.6 TB
Form Factor
U.3 2.5-inch (also cited as U.3/U.2)
Interface
PCIe Gen4 x4 NVMe
NAND
3D TLC
Endurance Class
Mixed use
Design Target
Large-scale databases, AI data pipelines and mixed read/write server workloads
Die Capacity
High-capacity enterprise tier - 25.6 TB on a single U.3 drive
Protocol
NVMe over PCIe Gen4
Availability
Listed by Micron distributors including Mouser and DigiKey
Deployment
2.5-inch U.3 drive bays in modern 1U/2U servers and JBOD expansion shelves
Vendor
Micron Technology
Overview
The MTFDKCC25T6TGJ-1BC1ZABYY is a 25.6TB Micron 9400 MAX enterprise NVMe SSD in the U.3 2.5-inch form factor. It is a PCIe Gen4 x4 drive with 3D TLC NAND and mixed-use endurance, positioning it for the database, analytics and AI data-pipeline tiers where the read-intensive drives run out of write endurance.
The capacity point is the reason to specify it: 25.6TB on a single U.3 drive means far fewer drive bays and far fewer failure domains per usable petabyte than a 3.84TB or 7.68TB build. That matters in 1U/2U servers where bay count, not controller count, is the binding constraint on storage density.
In practice a 9400 MAX tier sits behind the same PCIe Gen4 switch or CPU lanes as the rest of the NVMe backplane, so it is a drop-in for U.3 bays in current server generations. Micron lists it through mainstream distribution, which keeps sourcing straightforward for integration and spares programmes.
Key Benefits
25.6TB per U.3 drive for maximum bay density, PCIe Gen4 x4 NVMe performance, mixed-use endurance for write-heavy database tiers, and mainstream distribution availability.
Applications
Large-scale databases, AI and analytics data pipelines, high-capacity virtualisation storage, backup and archiving tiers, and dense 1U/2U server deployments.
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