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.LIGHTNING GEN 4 M.2Utilizing 12th Gen Intel Core processors, MSI B660 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.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.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.OPTIMIZE ONLINE GAMING TRAFFIC FOR LOWER LATENCY!MSI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
| Processor | |
| Processor manufacturer: | Intel |
| Processor socket: | LGA 1700 |
| Compatible processor series: | Intel® Core i9 |
| Memory | |
| Supported memory types: | DDR4-SDRAM |
| Number of memory slots: | 4 |
| Maximum internal memory: | 128 GB |
| Memory slots type: | DIMM |
| Memory channels: | Dual-channel |
| Supported memory clock speeds: | 2133,2400,2666,2933,3200,3333,3400,3600,3733,3800,4200,4266,4400,4600,4800 MHz |
| Unbuffered memory: |  |
| Storage controllers | |
| Supported storage drive interfaces: | M.2, SATA III |
| Supported storage drive types: | HDD & SSD |
| RAID levels: | 0, 1, 5, 10 |
| Graphics | |
| Parallel processing technology support: | Crossfire |
| Internal I/O | |
| USB 2.0 connectors: | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors: | 3 |
| Number of SATA III connectors: | 4 |
| Audio connector: | |
| Rear panel I/O ports | |
| USB 2.0 ports quantity: | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: | 2 |
| Ethernet LAN (RJ-45) ports: | 1 |
| HDMI ports quantity: | 1 |
| DisplayPorts quantity: | 1 |
| Network | |
| Wi-Fi: |  |
| Ethernet LAN: | |
| Ethernet interface type: | 2.5 Gigabit Ethernet |
| 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 ALC897 |
| Windows operating systems supported: | Windows 10 Home x64, Windows 11 x64 |
| Expansion slots | |
| PCI Express x1 (Gen 3.x) slots: | 1 |
| PCI Express x16 slots: | 2 |
| Number of M.2 (M) slots: | 2 |
| BIOS | |
| BIOS type: | UEFI AMI |
| BIOS memory size: | 256 Mbit |
| Logistics data | |
| Harmonized System (HS) code: | 84733020 |
| Weight & dimensions | |
| Width: | 244 mm |
| Depth: | 244 mm |
| Height: | 65 mm |
| Other features | |
| Weight: | 1 kg |
