Model Name PRO B660M-A DDR4
CPU Support Supports 12th Gen Intel®
Core™ Processors, Pentium®
Gold
and Celeron®
Processors
CPU Socket LGA 1700
Chipset Intel®
B660 Chipset
Graphics
Interface
1x PCIe 4.0 x16 slot
1x PCIe 3.0 x16 slot
Supports AMD®
CrossFire™ Technology
Display Interface Support 4K@60Hz as specified in HDMI 2.1, DisplayPort 1.4 –
Requires Processor Graphics
Memory Support 4 DIMMs, Dual Channel DDR4-4800+MHz(OC)
Expansion Slots 1x PCIe 3.0 x1 slot
Storage 2x M.2 Gen4 x4 64Gbps slots,
supports Intel®
Optane™ Technology
4x SATA 6Gbps ports
USB ports 2x USB 3.2 Gen 2 10Gbps (2 Type-A),
5x USB 3.2 Gen 1 5Gbps (4 Type-A + 1 Type-C),
6x USB 2.0
LAN Realtek®
RTL8125BG 2.5G LAN
Audio 8-Channel (7.1) HD Audio with Audio Boost

MSI B660M-A PRO DDR4 DDR4 Intel LGA 1700 mATX Motherboard, 4x DDR4 ~128GB, 2x PCI-E x16, 1x PCI-e x1, 2x M.2, 4x SATA, 4x USB 3.2, 2x USB 2.0