PRO series helps users work smarter by delivering an efficient & productive experience. Featuring stable functionality & high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting & longevity.\n\n THERMAL SOLUTION FOR MORE CORES & HIGHER PERFORMANCE\n With more cores&153; processors, thermal & power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink with 7W/m K thermal pad ensures even high-end processors to run in full speed with MSI motherboards.\n\n M.2 SHIELD FROZR\n World&153;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.\n\n FROZR AI COOLING\n Detecting CPU & GPU temperatures & automatically adjusting fan duty of system fans to a proper value by adopting MSI AI ENGINE.\n\n FULLY CONTROLLABLE IN BIOS & SOFTWARE\n MSI motherboards let you manage speeds & temperatures for all your system & 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 & motherboard, which will adjust the fan speeds automatically.\n\n OPTIMIZED FOR WATER COOLING\n Designed to support the most popular All-In-One & customized water cooling solutions on the market, a dedicated water pump PIN header gives you full control of the water pump speed. A clearly marked &152;keep-out-zone&153; allows for easy & safe installation & a perfect fit.\n\n HIGH-BANDWIDTH & LOW-LATENCY NETWORK\n 2.5 Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users.\n\n OPTIMIZE NETWORK FOR LOWER LATENCY!\n MSI LAN Manager automatically classifies & prioritizes the latency-sensitive applications, giving you the best online experience with low latency.\n\n LIGHTNING GEN 4 PCI-E\n MSI lightning Gen 4 PCI-E is the latest & the fastest PCI-E data transfer solution with 64GB/s of transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward & forward compatibility with older & newer specifications. Optimized by steel armor design, your motherboards can support the weight of heavy graphics cards.\n\n A HUGE STEP OF DDR PERFORMANCE\n MSI OC LAB does not merely work hard on extreme overclocking. The XMP memory profile has great improvement on performance & efficiency for Z690. Easy to enable XMP profile with auto power settings to get the best memory speed & stability.\n\n CORE BOOST\n Core Boost technology combines MSI's premium layout & optimized power design which allows for faster & undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.\n\n\n\n\n\n\n\n Model: PRO B660-A DDR4\n\n\n\n Manual: https://d 5bm 31en 4blvo.cloudfront.net/uploads/pdf/mmo_96569208_1642517978_7262_25739.pdf\n\n\n\n