Okay, get ready for a huge list of AM4 motherboards ready to support the upcoming Ryzen CPUs from AMD.

As always, Videocardz somehow got their hands on a massive number of upcoming motherboard models ready to launch along with Ryzen CPUs. They are based on the AMD X370, B350 and A320 chipsets.

 X370B350A320X300
PCIe 3 Lanes2424TBATBA
CrossfireX/SLI2-Way SLITBCN/AN/A
PCIe 2 Lanes86TBATBA
USB 3.122TBATBA
USB 3.084TBATBA
USB 2.066TBATBA
SATA 6Gb/s86TBA8
DDR4 DIMMs44TBA2
Overclocking YesYesNoYes
Support
NVMeYesYesTBATBA
Form FactorATXATX, M-ATXM-ATX, Mini-ITXMini-ITX
Estimated~$149 US+~$70 US+~$40 US+~$129 US+
Price Range

The AMD AM4 platform is based on the Promontory chipset which has five SKUs – X370 (Enthusiast), B350 (Mainstream), A320 (Essential), X300 (Enthusiast SFF) and A300 (Essential SFF). A total of 42 board models should be available for the Ryzen launch, there’s something for everyone. You can check out MSI and ASRock boards not mentioned in this list here, for the rest just scroll down.

MSI Motherboards

MSI B350 Tomahawk Gaming Motherboard ($110 US)

MSI B350M MORTAR Motherboard ($90 US)

MSI A320M PRO-VD Motherboard ($60 US)

 X370 XPOWER Gaming TitaniumX370 Gaming Pro CarbonB350 Tomahawk GamingB350M MORTARA320M PRO-VD
AMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUs
Form FactorATXATXATXM-ATXM-ATX
Socket TypeAM4AM4AM4AM4AM4
Power Phases10 Phase10 Phase6 Phase6 Phase5 Phase
CPU Power Connectors8+4 Pin (+6-Pin For mGPU Setups)8-Pin8-Pin8-Pin8-Pin
DDR4 DIMM Slots4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)2 Slots (32 GB Max)
SATA III 6 GB/s Ports66444
PCI-e 3.0 x16 Expansion Slots2 x16 / 1 x82 x16 / 1 x81 x16 / 1 x81 x16 / 1 x81 x16
PCI-e 3.0 x1 Expansion Slots333 + 2 PCI Legacy Slots22
M.2 PCI-e Expansion Slots1111N/A
USB 3.1 Ports (External)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)N/A
USB 3.0 Ports (Internal / External)2+42+42+22+22+2
USB 2.0 Ports (Internal / External)3+32+22+22+22+2
Display ConnectionsDisplay Port / HDMIDVI / HDMIDVI / VGA / HDMIDVI / HDMIDVI / VGA
Price$299 US$179 US$110 US$90 US$60 US

ASRock Motherboards

ASROCK AB350 PRO4

ASROCK AB350M PRO4

ASROCK A320M PRO4

 X370 TAICHIX370 FATAL1TY PROFESSIONAL GAMINGX370 FATAL1TY GAMING K4X370 KILLER SLI/acX370 KILLER SLIAB350 GAMING K4AB350 PRO4AB350M PRO4A320M PRO4
AMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUs
Form FactorATXATXATXATXATXATXATXM-ATXM-ATX
Socket TypeAM4AM4AM4AM4AM4AM4AM4AM4AM4
Power Phases16 Phases16 Phases12+2+1 Phases12+2+1 Phases12+2 Phases9+2 Phases9+2 Phases9+2 Phases9+2 Phases
CPU Power Connectors8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin
DDR4 DIMM Slots4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)
SATA III 6 GB/s Ports10106666644
PCI-e 3.0 x16 Expansion Slots2 x16 / 1 x42 x16 / 1 x42 x162 x162 x161 x16 / 1 x41 x16 / 1 x41 x16 / 1 x41 x16 / 1 x4
PCI-e 3.0 x1 Expansion Slots223333311
M.2 PCI-e Expansion Slots222222222
USB 3.1 Ports (External)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)N/A2 (Type A + Type-C)1 (Type-C)1 (Type-C)
USB 3.0 Ports (Internal / External)6 + 4 (Internal)6 + 4 (Internal)6 + 4 (Internal)6 + 4 (Internal)6 + 4 (Internal)6 + 2 (Internal)4 +2 (Internal)4 +2 (Internal)4 +2 (Internal)
USB 2.0 Ports (Internal / External)2 Internal2 Internal2 Internal2 Internal2 Internal2 Internal2+22+22+2
Wireless Connectivity + Bluetooth ModuleYesYes + Dual Ethernet LAN PortsMounting Included But Not BundledYesMounting Included But Not BundledN/AN/AN/AN/A
Display ConnectionsN/AN/AHDMIHDMIHDMIHDMI / DVI / mDPVGA / DVI / HDMIVGA / DVI / HDMIVGA / DVI / HDMI

Gigabyte Motherboards

Gigabyte comes with 11 models, with a new brand dubbed AORUS, the company’s new gaming division.

GIGABYTE AX370 AORUS GAMING K7

GIGABYTE X370 AORUS GAMING 5

GIGABYTE AB350 GAMING

GIGABYTE AB350 GAMING 3

GIGABYTE AB350M GAMING 3

GIGABYTE B350M D2

GIGABYTE A320M-HD2

GIGABYTE A320-D2

 AX370 AORUS GAMING K7AX370 AORUS GAMING K5AX370 AORUS GAMING K3X370 AORUS GAMING 5AX370 AORUS D3AB350 GAMINGAB350 GAMING 3AB350M GAMING 3B350M D2B350M D2
AMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUs
Form FactorATXATXATXM-ATXM-ATXATXATXM-ATXM-ATXM-ATX
Socket TypeAM4AM4AM4AM4AM4AM4AM4AM4AM4AM4
Power Phases10 Phase6+2 PhaseTBD10 Phase6+2 Phase7+1 Phase7+1 Phase7+1 Phase7+1 Phase7+1 Phase
CPU Power Connectors8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin8-Pin
DDR4 DIMM Slots4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)2 Slots (32 GB Max)2 Slots (32 GB Max)
SATA III 6 GB/s Ports6 SATA III + 2 SATA Express Ports10 SATA III + 2 SATA Express PortsTBD6 SATA III + 2 SATA Express PortsTBD66644
PCI-e 3.0 x16 Expansion Slots1 x16 / 2 x81 x16 / 2 x8TBD1 x16 / 2 x8TBD1 x16 / 1 x81 x16 / 1 x8 / 1 x41 x16 / 1 x81 x161 x16
PCI-e 3.0 x1 Expansion Slots33TBD3TBD32122 (+1 PCI Legacy Slot)
M.2 PCI-e Expansion Slots11TBD1TBD111N/AN/A
USB 3.1 Ports (External)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)2 (Type A + Type-C)N/AN/AN/AN/AN/A
USB 3.0 Ports (Internal / External)4+ 8 (2 USB DAC)4+ 8 (2 USB DAC)TBD4+ 8 (2 USB DAC)TBD2+62+62+62+42+4
USB 2.0 Ports (Internal / External)2 (Internal)2 (Internal)TBD2 (Internal)TBD2 + 22 + 12 + 22 + 22 + 2
Wireless Connectivity + Bluetooth ModuleDual Ethernet PortsDual Ethernet PortsDual Ethernet PortsDual Ethernet PortsN/AN/AN/AN/AN/AN/A
Display ConnectionsHDMIHDMITBDHDMITBDDVI / HDMIDVI / HDMIVGA / DVI / HDMIVGA / DVIVGA / DVI

Asus Motherboards

ASUS, for now, has five AM4 motherboards, but will probably release more models in the near future.

ASUS X370 ROG CROSSHAIR VI HERO

ASUS X370 PRIME PRO

ASUS B350 PRIME PLUS

ASUS B350M PRIME-A

ASUS A320M-C

 X370 ROG CROSSHAIR VI HEROX370 PRIME PROB350 PRIME PLUSB350M PRIME-AA320M-C
AMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUsAMD Ryzen CPUs and AMD Bristol Ridge APUs
Form FactorATXATXATXM-ATXM-ATX
Socket TypeAM4AM4AM4AM4AM4
Power Phases12 Phase10 Phase6 Phase6 Phase6 Phase
CPU Power Connectors8+4 Pin8-Pin8-Pin8-Pin4-Pin
DDR4 DIMM Slots4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)4 Slots (64 GB Max)2 Slots (32 GB Max)
SATA III 6 GB/s Ports88664
PCI-e 3.0 x16 Expansion Slots1 x16 / 2 x81 x16 / 2 x81 x16 / 1 x81 x161 x16
PCI-e 3.0 x1 Expansion Slots332 + 1 Legacy PCI Slot22 + 1 Legacy PCI Slot
M.2 PCI-e Expansion Slots11111
USB 3.1 Ports (External)2 (Type A + Type-C) + 1 Internal Header2 (Type A + Type-C) + 1 Internal HeaderN/AN/AN/A
USB 3.0 Ports (Internal / External)2+82+62+62+62+4
USB 2.0 Ports (Internal / External)2+42 Internal2+22 Internal2+2
Display ConnectionsN/ADP / HDMIVGA / DVI / HDMIVGA / DVI / HDMIVGA / DVI / HDMI

Biostar AM4 Motherboards

Biostar’s Ryzen lineup features nine models in total.

BIOSTAR X370 RACING GTN

BIOSTAR X370 RACING GT7

BIOSTAR X370 RACING GT5

BIOSTAR X370 RACING GT3

BIOSTAR B350 RACING GTN

BIOSTAR B350 RACING GT5

BIOSTAR B350 RACING GT3

BIOSTAR B350 Hi-Fi S1

BIOSTAR B350 ET2