Micron recently announced that the Micron 9400 series is approaching end of life (EOL). The series will be replaced with the upcoming Micron 9550 data center SSD.
Not only does the Micron 9550 deliver higher performance, flexibility, and security, but this series also features impressive power efficiency, making it ideal for demanding workloads.
This series is available in the same form factors (E1.S, E3.S, & U.2) and capacities (3.2TB - 30.72TB) as the Micron 9400 series. It also features PRO and MAX models as well as different security options (TCG Opal or Non-SED).
Click on the image below to view product specifications in the Micron 9550 Product Brief:
Key Dates
- Last order date: June 11, 2025
- Last ship date: December 11, 2025
FAQ with Keith Peterson, Edge's Micron FAE
Our specialized Micron FAE, Keith Peterson, answers a few of the most asked questions regarding the transition process from the Micron 9400 SSD to the new 9550 SSD.
Q: What is new in the Micron 9550 SSD compared to the Micron 9400 SSD?
A: A night and day difference. The new Micron 9550 utilizes the new PCIe Gen 5 interface with performance metrics that nearly double those of the PCIe Gen 4 versions of the previous generation. The Micron 9550 utilizes the next generation 232-layer TLC NAND with fully vertically integrated Micron designed NAND memory controller. The Micro 9550 incorporates the most recent versions of NVMe ( 2.0 ), NVMe-MI ( 1. ), and OCP ( 2.0 )
Q: What features does the Micron 9550 that may not of been offered in the Micron 9400 ?
A: TCG Opal 2.01 security, FIPS 140-3 L2 & TAA compliant, secure erase, secure boot, secure signed firmware, firmware activate without reset, NVMe-MI, power loss protection (data in-flight & at-rest), enterprise data path protection (user & meta data), Storage Executive SSD management tool, 5 years warranty.
Micron 9400 to Micron 9550 Part Number Conversions
The table below shows the affected Micron 9400 part number and its recommended replacement Micron 9550 part number.
| Form Factor | Capacity | 9400 Part Number | 9550 Replacement |
| U.2 | 12.8TB | MTFDKCC12T8TGJ-1BC1ZABDB | MTFDLAL12T8THB-1BK1JABYY |
| U.2 | 12.8TB | MTFDKCC12T8TGJ-1BC1ZABYY | MTFDLAL12T8THB-1BK1JABYY |
| U.2 | 15.36TB | MTFDKCC15T3TGH-1BC1ZABAA | MTFDLAL15T3THA-1BK1JABYY |
| U.2 | 15.36TB | MTFDKCC15T3TGH-1BC1ZABDB | MTFDLAL15T3THA-1BK1JABYY |
| U.2 | 15.36TB | MTFDKCC15T3TGH-1BC1ZABYY | MTFDLAL15T3THA-1BK1JABYY |
| U.2 | 25.6TB | MTFDKCC25T6TGJ-1BC1ZABDB | MTFDLAL25T6THB-1BK1JABYY |
| U.2 | 25.6TB | MTFDKCC25T6TGJ-1BC1ZABYY | MTFDLAL25T6THB-1BK1JABYY |
| U.2 | 30.72TB | MTFDKCC30T7TGH-1BC1ZABAA | MTFDLAL30T7THA-1BK1JABYY |
| U.2 | 30.72TB | MTFDKCC30T7TGH-1BC1ZABDB | MTFDLAL30T7THA-1BK1JABYY |
| U.2 | 30.72TB | MTFDKCC30T7TGH-1BC1ZABYY | MTFDLAL30T7THA-1BK1JABYY |
| U.2 | 6.4TB | MTFDKCC6T4TGJ-1BC1ZABDB | MTFDLAL6T4THB-1BK1JABYY |
| U.2 | 7.68TB | MTFDKCC7T6TGH-1BC1ZABAA | MTFDLAL7T6THA-1BK1JABYY |
| U.2 | 7.68TB | MTFDKCC7T6TGH-1BC1ZABDB | MTFDLAL7T6THA-1BK1JABYY |
| U.2 | 7.68TB | MTFDKCC7T6TGH-1BC1ZABYY | MTFDLAL7T6THA-1BK1JABYY |
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