Supermicro BIOS / BMC / Bundle Firmware Download Center

File Name:

BIOS_X11SWN-1B4D_20250805_2.1_STDsp.zip

This zip file contains BIOS ROM, Flash utility, and Readme instructions. You may download the free WINZIP utility to extract the contents of this file.

MD5:

6ea6b055434e7ec95a6429a4e1ed4df7

SHA1:

7b9e1b4bbabfe7de473966a198e4c6c5ecfee4db

SHA256:

2bd9ac8e19e3ef3c269d7a7a095569cfde5144e10aeba86bf847605be5a15b74

Verify Your Download
To ensure the file you downloaded has not been corrupted or tampered with, compare its unique digital fingerprint (hash) to the official value below.

How to Check Your File

Operating System	Command to Run
Windows (10/11)	Powershell: Get-FileHash 'path\to\DowloadedFileName' -Algorithm SHA256 cmd: certutil -hashfile 'path\to\DowloadedFileName' SHA256
macOS/Linux	sha256sum 'path/to/DowloadedFileName'

Verification
If the hash value generated by your command exactly matches the official checksum above, your file is intact and authentic. Supermicro recommends validating the downloaded file using multiple hash algorithms.

WARNING!
It is recommended to flash the Firmware for your system only when there is a Firmware-related issue. Flashing the wrong BIOS/Firmware can cause irreparable damage to the system.

In no event shall Supermicro be liable for direct, indirect, special, incidental,or consequential damages arising from a BIOS/Firmware update.