MSI factory refurbished unit, 120 days MSI direct warranty, comes with SATA cable, I/O shield only.
ModelBrandMSIModelPRO B660M-A DDR4Supported CPUCPU Socket TypeLGA 1700CPU TypeSupports 13th / 12th Gen Intel Core Processors, Intel Pentium Gold, Celeron ProcessorsChipsetsChipsetIntel B660Onboard VideoOnboard Video ChipsetSupported only by CPU with integrated graphicMemoryNumber of Memory Slots4x288pin (DDR4)Memory StandardDDR4 1R 3200 / 2666 / 2133 (by JEDEC & POR)Max overclocking frequency:
1DPC 1R Max speed up to 4800+
1DPC 2R Max speed up to 4000+
2DPC 1R Max speed up to 4000+
2DPC 2R Max speed up to 3600+Maximum Memory Supported128GBChannel SupportedDual ChannelExpansion SlotsPCI Express 4.0 x161 x PCI Express 4.0 x16* Actual support may vary by CPU.PCI Express 3.0 x161 x PCI Express 3.0 x16* Support PCIe 3.0 x4.PCI Express x11 x PCI Express 3.0 x1Storage DevicesSATA 6Gb/s4 x SATA 6Gb/s* SATA8 will be unavailable when installing M.2 SATA SSD in the M2_2 slot.M.22 x M.2 slots (Key M):M2_1 slot (From CPU):
Supports up to PCIe 4.0 x4
Supports 2242/ 2260/ 2280 storage devicesM2_2 slot (From B660 chipset):
Supports up to PCIe 4.0 x4
Supports up to SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
Supports Intel Optane MemoryIntel Optane ReadyYesSATA RAID0/1/5/10Onboard AudioAudio ChipsetRealtek ALC897Audio Channels7.1 ChannelsOnboard LANLAN ChipsetRealtek RTL8125BGMax LAN Speed2.5GbpsRear Panel PortsBack I/O Ports1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
2 x DisplayPort
2 x HDMI
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1 Type-A
2 x USB 3.2 Gen 2 Type-A
3 x Audio JacksInternal I/O ConnectorsOnboard USB1 x USB 3.2 Gen 1 5Gbps Type-C port
1 x USB 3.2 Gen 1 5Gbps Type-A connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)Other Connectors1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
2 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x TPM module connector
1 x Clear CMOS jumper
1 x TBT connector (supports RTD3)
1 x Serial port
1 x Tuning Controller connector
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
4 x EZ Debug LEDPhysical SpecForm FactorMicro ATXLED LightingRGBDimensions (W x L)9.6" x 9.6"Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x 4-pin ATX 12V power connectorWindows CompatibilityWindows 11Supported
