THERMAL SOLUTION FOR MORE CORES AND HIGHER PERFORMANCEWith more cores processors, thermal and power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink and enhanced circuit design ensures even high-end Intel CPU to run in full speed with MSI motherboards.FULLY CONTROLLABLE IN BIOS AND SOFTWAREMSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.M.2 SHIELD FROZRWorld s fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, M.2 SHIELD FROZR is the next generation M.2 thermal solution to avoid this by offering the best thermal protection to make sure that SSD maintains maximum performance.FROZR AI COOLINGDetecting CPU & GPU temperatures and automatically adjusting fan duty of system fans to a proper value by adopting MSI AI ENGINE.OPTIMIZED FOR WATER COOLINGDesigned to support the most popular All-In-One & customized water cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked keep-out-zone allows for easy and safe installation and a perfect fit.12 + 1 +1 DUET RAIL POWER SYSTEMUnleash and sustain maximum performance with an aggressive VRM design built with digital CPU power system. Combining 8 + 8-pin power connectors and exclusive Core Boost technology, MAG series motherboard is ready to sustain heavy gaming loadings.CORE BOOSTCore Boost technology combines MSI's premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. This creates the perfect conditions for multi-core CPU while high-loading operation.1-SECOND OVERCLOCKING!MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.LOAD-LINE CALIBRATIONWhat you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.OVERVOLTAGE PROTECTIONPrevents potential short-circuit damage to the CPU and other critical components.DIGITALL POWER DESIGNA fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision. Creating the perfect conditions for CPU overclocking.DOUBLE POWER CONNECTORSTwo 8-pin connectors deliver adequate power even for an overclocked multi-core CPU.PRE-INSTALLED IO SHIELDFeaturing the pre-installed IO shield, makes your installation process easier and safer. The patent-pending design protect your IO ports and also prevent electrostatic discharge damage, makes your motherboard a strong gaming foundation.AVOID COLLISION NOTIFICATIONProtective paint is printed around each screw hole to prevent parts from being scratched.KEEP OUT ZONEMSI motherboards circuitry ensure the case standoff keep out zones are pure and clean, preventing any component contact or damage to the motherboard.EZ M.2 ClipHave trouble turning screws MSI innovative EZ M.2 clip assist you install an M.2 SSD quickly and effortlessly.PCB DESIGNThe PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.FORTIFY YOUR SYSTEM WITH PCI-E STEEL ARMORMSI PCI Express Steel Armor slot is secured to the motherboard with extra solder points and supports the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.ULTIMATE MOTHERBOARD PROTECTIONDouble ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.WINDOWS 11 CERTIFIEDWith MSI you benefit from great compatibility and a worry-free user experience when using Microsoft Windows 11.With a true dedication to performance, our R&D team has made sure everything works as intended when using the latest version of Microsoft Windows on any MSI product.FAST AND FUTURE-READY STORAGEMSI B660 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.OPTANE: BOOST YOUR HDD TO PERFORM LIKE AN SSDPC Enthusiasts can now enjoy the performance of an SSD on their HDD by coupling it with the new Intel Optane Memory device. Intel Optane technology provides an unparalleled combination of high throughput, low latency, high quality of service, and high endurance.EXTREME STABILITY & COMPATIBILITY TESTINGMSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules, configurations and even improve overclocking.A HUGE STEP OF DDR PERFORMANCEMSI OC LAB does not merely work hard on extreme overclocking. The XMP memory profile has great improvement on performance and efficiency for B660. Easy to enable XMP profile with auto power settings to get the best memory speed and stability.EASY OVERCLOCKING WITH XMP PROFILEThe XMP (Extreme Memory Profiles) in MSI BIOS are tested and certified by MSI OC LAB. It is easy to enable with auto power settings to get the best memory speed and stability.MSI CENTERMSI brand new MSI Center unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.CLICK BIOS 5Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!RESIZABLE BAR (RE-SIZE BAR)Resizable BAR (Re-Size BAR) is an advanced PCI Express feature that enables the CPU to access the entire GPU frame buffer at once and improve performance.FIND YOUR PC DEVICE WITH TILEIntel's Wi-Fi solution integrated with Tile's tracking technology will help you locate your PC device in no time.HIGH-BANDWIDTH AND LOW-LATENCY NETWORK2.5Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users.SURFACING WITH THE REAL MU-MIMO TECHNOLOGYThe WIFI 6 adopts the latest OFDMA and two-way MU-MIMO technologies and could provide up to 4X network capacity and efficiency in the high signal density environment. Comparing to the WIFI 5, which can only send the data packet to one device at a time on each channel, the WIFI 6 could combine the packet, separate to several devices and allow signals from the different devices bundled together. This new technology provides all the devices in the same network environment with same and harmonious traffic bandwidth in an efficient way.DEDICATED HIGH DEFINITION AUDIO PROCESSORMake sure you enjoy the purest sound quality in both stereo and surround sound.HIGH QUALITY AUDIO CAPACITORSA high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.HIGH QUALITY AUDIO JACKS WITH S/PDIFKeep your sound perfect by transmit your audio with pure digital signal.ISOLATED AUDIO DESIGNLike a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.SEPARATED AUDIO LAYERS FOR CLEAN LEFT & RIGHT CHANNELSUsing separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.DOUBLE BANDWIDTH WITH LIGHTNING USB 3.2 GEN 2x2 20GUsing USB 3.2 devices has never been faster! MAG B660 series motherboards offer a wide variety of options to connect and boost your USB devices, offering never before seen USB speeds up to 20Gb/s when connecting the Rear USB Type-C.USB FRONT TYPE-CMSI gaming motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.EXTEND YOUR RGB EXPERIENCE WITH EASEAdd more color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.
| Processor | |
| Processor manufacturer: | Intel |
| Processor socket: | LGA 1700 |
| Compatible processor series: | Intel® Celeron®, Intel® Core i3, Intel® Core i5, Intel® Core i7, Intel® Core i9, Intel® Pentium® Gold |
| Memory | |
| Supported memory types: | DDR4-SDRAM |
| Number of memory slots: | 4 |
| Maximum internal memory: | 128 GB |
| Memory slots type: | DIMM |
| Memory channels: | Dual-channel |
| Non-ECC: |  |
| Supported memory clock speeds: | 2133,2400,2666,2933,3200,3333,3400,3466,3600,3733,3800,4000,4200,4266,4400,4600,4800 MHz |
| Supported memory clock speed (max): | 4800 MHz |
| Unbuffered memory: | |
| Storage controllers | |
| Supported storage drive interfaces: | M.2, SATA III |
| RAID support: | |
| RAID levels: | 0, 1, 5, 10 |
| Graphics | |
| Parallel processing technology support: | Crossfire |
| DirectX version: | 12.0 |
| Internal I/O | |
| USB 2.0 connectors: | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors: | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors: | 1 |
| Number of SATA III connectors: | 6 |
| Front panel audio connector: | |
| ATX Power connector (24-pin): | |
| CPU fan connector: | |
| Chassis intrusion connector: | |
| Peripheral (Molex) power connectors (4-pin): | 1 |
| EPS power connector (8-pin): | |
| TPM connector: | |
| RGB LED pin header: | |
| Rear panel I/O ports | |
| USB 2.0 ports quantity: | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: | 3 |
| Ethernet LAN (RJ-45) ports: | 1 |
| HDMI ports quantity: | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity: | 1 |
| HDMI version: | 2.1 |
| DisplayPorts quantity: | 1 |
| DisplayPort version: | 1.4 |
| S/PDIF out port: | |
| Network | |
| Wi-Fi: | |
| Ethernet LAN: | |
| Ethernet interface type: | 2.5 Gigabit Ethernet |
| LAN controller: | Realtek RTL8125-BG |
| Top Wi-Fi standard: | Wi-Fi 6 (802.11ax) |
| Wi-Fi standards: | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Bluetooth: | |
| Bluetooth version: | 5.2 |
| Features | |
| Component for: | PC |
| Motherboard form factor: | micro ATX |
| Motherboard chipset family: | Intel |
| Motherboard chipset: | Intel B660 |
| Audio output channels: | 7.1 channels |
| Audio chip: | Realtek ALC1200 |
| Windows operating systems supported: | Windows 10 x64, Windows 11 x64 |
| Expansion slots | |
| PCI Express x1 (Gen 3.x) slots: | 1 |
| PCI Express x16 (Gen 3.x) slots: | 1 |
| PCI Express x16 (Gen 4.x) slots: | 1 |
| Number of M.2 (M) slots: | 2 |
| BIOS | |
| Clear CMOS jumper: | |
| Weight & dimensions | |
| Width: | 244 mm |
| Depth: | 244 mm |
| Packaging content | |
| Cables included: | SATA |
| Drivers included: | |
