This powerful motherboard features dual M.2 slots for lightning-fast storage and extreme overclocking capabilities for gaming supremacy.
With more processor cores, thermal and power design are more important to make sure the temperature stays low.
MSI's extended PWM heatsink and enhanced circuit design ensure even high-end Intel CPUs run at full speed with MSI motherboards.
Utilizing 12th and 13th Gen Intel processors, MSI B660 motherboards feature the latest Lightning Gen 4 M.2, which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.
MSI B660 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.
PC 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.
Optimize online gaming traffic for lower latencies!
MSI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.
2.5Gbps LAN provides incredible data transfer speeds, faster than general Gigabit LAN. This is a premium solution for demanding users.
The WiFi 6 employs cutting-edge OFDMA and two-way MU-MIMO technologies to provide up to 4X network capacity and efficiency in a high signal density environment.
In contrast to the WiFi 5, which can only send one data packet at a time on each channel, the WiFi 6 can combine the packet, separate it to several devices, and allow signals from the various devices to be bundled together.
This new technology provides all the devices in the same network environment with the same and harmonious traffic bandwidth in an efficient way.
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| Non-ECC | |
| Supported memory clock speeds | 2133,2400,2666,2933,3200,3333,3400,3466,3600,3733,3800,4000,4200,4400,4600,4800 MHz |
| Maximum internal memory | 128 GB |
| Processor manufacturer | Intel |
| Compatible processor series | Intel Celeron, Intel Core i3, Intel Core i5, Intel Core i7, Intel Core i9, Intel Pentium Gold |
| Processor socket | LGA 1700 |
| Supported storage drive types | HDD & SSD |
| RAID levels | 0,1,5,10 |
| USB 2.0 connectors | 2 |
| USB 3.0 (3.1 Gen 1) connectors | 1 |
| USB 3.1 (3.1 Gen 2) connectors | 1 |
| Supported storage drive interfaces | M.2, PCI Express 4.0, SATA III |
| Number of SATA III connectors | 6 |
| Front panel connector | |
| ATX Power connector (24-pin) | |
| CPU fan connector | |
| Number of chassis fan connectors | 5 |
| Chassis intrusion connector | |
| EPS power connector (8-pin) | |
| TPM connector | |
| RGB LED pin header |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| Microphone in | |
| S/PDIF out port | |
| USB 2.0 ports quantity | 4 |
| USB 3.1 (3.1 Gen 2) Type-A ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN | |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | |
| 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 |
| Supported processor sockets | LGA 1700 |
| Component for | PC |
| Motherboard chipset family | Intel |
| Motherboard chipset | Intel B660 |
| Motherboard form factor | ATX |
| Audio output channels | 7.1 channels |
| Parallel processing technology support | Crossfire |
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x4 slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Width | 244 mm (9.52 ") |
| Depth | 305 mm (11.9 ") |
| Wi-Fi 6 (802.11ax) | |
| Y | |
| 1 |
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