Intel® B660 Motherboard with 6+2+1 Phases Hybrid Digital, 2 x PCIe 4.0 M.2, GbE LAN, RGB FUSION 2.0, Q-Flash Plus
Supports Intel® Core™ 14th/ 13th /12th processors
Dual Channel Non-ECC Unbuffered DDR4, 2 DIMMs
6+2+1 Phases Hybrid Digital VRM
Intel® GbE LAN with cFosSpeed Internet Accelerator Software
Ultra-Fast NVMe PCIe 4.0 x4 M.2
High Quality Audio Capacitors and Audio Noise Guard
RGB FUSION 2.0 supports Addressable LED & RGB LED Strips
Smart Fan 6 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP
Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
Specifications
* The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.
1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
2. Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.
BIOS
Description
Version
Size
Date
Checksum: 4636
Update CPU microcode version: M32B0671_00000137
Preparation for upcoming processor support
F36
8.96 MB
Sep 29, 2026
Checksum: 54F0
Fixed VccSA option visibility for 12th Gen Intel Core processors.
Improved DDR4 memory compatibility.
F36a
8.95 MB
Jul 31, 2026
Checksum: 16EE
Improve system security and stability
F35
8.77 MB
Jun 12, 2026
Checksum: 941C
Improve memory compatibility
F35a
9.17 MB
Apr 29, 2026
Checksum : CBF6
Improves platform security by making Secure Boot enabled as system default
Update KingBank 3200 JHICC chip 16G module support
F34
9.15 MB
Dec 2, 2025
Checksum : 167C
Enhance platform security by enable Pre-boot DMA Protection, VT-d, and IOMMU Pre-boot as default
Added CPU support for Intel 120/120F processors
Update CSME version to 16.1.38.2676v4.1
Added support for AI TOP Utility v4.1.1
F33
9.14 MB
Sep 24, 2025
Checksum : 85CB
CPU Microcode Update (0x3A & 0x12F): Improves CPU stability and compatibility
Secure Boot Database Key Update: Enhances system security
Removed "LED in Sleep, Hibernation, and Soft Off Status" Option: This option has been removed to streamline the BIOS setup
F32
9.14 MB
Jun 19, 2025
Checksum : 4AAA
Update CPU uCode 0x3a to address the following Intel Security Alerts: INTEL-SA-01153 / INTEL-SA-01224 / INTEL-SA-01247 / INTEL-SA-01322
For more Intel Security Alerts information, please visit: Security Center
Introduce microcode 0x12F as it further improves system conditions that can potentially contribute to Vmin Shift Instability on Intel Core 13th and 14th Gen desktop-powered systems
F32c
9.13 MB
May 27, 2025
Checksum : 65A6
Improve system stability and compatibility.
F31
9.12 MB
Mar 12, 2025
Checksum : 5678
Introduce the "Intel Default Settings" and enabled as default
Introduce microcode 0x12B as the final mitigation of 13/14th Gen desktop processor Vmin Shift Instability issue according to Intel official
i. 0x12B encompasses 0x125 and 0x129 microcode updates, and addresses elevated voltage requests by the processor during idle and/or light activity periods.
ii. microcode 0x129 (August 2024) addresses high voltages requested by the processor.
iii. microcode 0x125 (June 2024) addresses eTVB algorithm issue.
Add "GNA (Gaussian & Neural Accelerator)" Option
Add "SPD Write Disable" Option
F30
9.10 MB
Sep 30, 2024
Checksum : 7C70
Update microcode 0x129 to address sporadic Vcore elevation behavior announced by Intel
Introduce the "Intel Default Settings" and enabled as default
Update microcode 0x125 to ensure eTVB operation normally
Supports and powers up Intel next generation processors
F24
9.39 MB
Jul 28, 2023
Checksum : 85FD
Addresses Download Assistant Vulnerabilities Reported by Eclypsium Research
Supports and powers up Intel next generation processor
F23
9.20 MB
Jun 13, 2023
Checksum : 5E21
Address blank display while system powers up with RTX3060 series graphics cards
F22
9.20 MB
Mar 16, 2023
Checksum : 6806
Improve the linkage between Resizable and 4G above
F21
9.17 MB
Nov 18, 2022
Checksum : 070C
Supports Intel 13th generation processor
Improve DDR compatibility
Please make sure Intel VMD driver is updated to v19.5 or above before installing 13th Gen Processors.
Windows crashes with 13th Gen Processors when Intel VMD (RAID) has been configured on 12th Gen without v19.5 updated.
F20
9.17 MB
Nov 3, 2022
Checksum : 8314
Supports and powers up Intel next generation processor
Update CPU uCode 0x3a to address the following Intel Security Alerts: INTEL-SA-01153 / INTEL-SA-01224 / INTEL-SA-01247 / INTEL-SA-01322
For more Intel Security Alerts information, please visit: Security Center
Introduce microcode 0x12F as it further improves system conditions that can potentially contribute to Vmin Shift Instability on Intel Core 13th and 14th Gen desktop-powered systems
Introduce the "Intel Default Settings" and enabled as default
Introduce microcode 0x12B as the final mitigation of 13/14th Gen desktop processor Vmin Shift Instability issue according to Intel official
i. 0x12B encompasses 0x125 and 0x129 microcode updates, and addresses elevated voltage requests by the processor during idle and/or light activity periods.
ii. microcode 0x129 (August 2024) addresses high voltages requested by the processor.
iii. microcode 0x125 (June 2024) addresses eTVB algorithm issue.
Please make sure Intel VMD driver is updated to v19.5 or above before installing 13th Gen Processors.
Windows crashes with 13th Gen Processors when Intel VMD (RAID) has been configured on 12th Gen without v19.5 updated.
Warning:
Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction.
Update CPU ID/Micro codes in new BIOS means?
[1] To support new series of CPUs, or [2] To support the same CPU but with new stepping.
CPU support of motherboard is consist of BIOS and hardware design, detail CPU support information please see CPU support list.
