Brand

MSI

Manufacturer

MSI

Model

B450 Tomahawk MAX II

CPU

Supports 1st, 2nd and 3rd Gen AMD Ryzen™/ Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics/ Athlon™ with Radeon™ Vega Graphics Desktop Processors for Socket AM4

Chipset

AMD® B450 Chipset

Form factor

ATX Form Factor 12 in. x 9.6 in. (30.5 cm x 24.4 cm)

Memory

4 x DDR4 memory slots, support up to 128GB *ComboPI 1.0.0.3-based and above BIOS are required.

            Supports 1866/ 2133/ 2400/ 2667Mhz                     (by JEDEC)

              For AMD Ryzen Gen3 (R5/R7/R9)

               Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 4000/ 4133 MHz (by A-XMP OC MODE)

              For AMD Other CPU

              Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)

• Dual channel memory architecture

• Supports non-ECC UDIMM memory

• Supports ECC UDIMM memory (non-ECC mode)

Audio

Realtek ALC892/ALC897 Codec

7.1-Channel High Definition Audio

LAN

1 x Realtek® 8111H Gigabit LAN controller

Expansion slots

1 x PCIe 3.0 x16 slot (PCI_E1)

1st, 2nd and 3rd Gen AMD Ryzen™          processors support x16 speed

        Ryzen™ with Radeon™ Vega Graphics     and 2nd Gen AMD Ryzen™ with Radeon™ Graphics processors support x8 speed

1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)1

3 x PCIe 2.0 x1 slots1

PCI_E4 will run x2 speed when installing devices in PCI_E2/ PCI_E3 slot.

Storage interface

AMD CPU

2 x SATA 6Gb/s ports1

1 x M.2 slot (Key M)1

Supports PCIe 3.0 x4 (1st, 2nd and 3rd Gen AMD Ryzen™/ Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics) or PCIe 3.0 x2 (Athlon™ with Radeon™ Vega Graphics) and SATA 6Gb/s

Supports 2242/ 2260 /2280/ 22110 storage devices

AMD B450

4 x SATA 6Gb/s ports

SATA5 and SATA6 ports will be unavailable when installing a M.2 device in M.2 slot.

USB

AMD B450

• 1x USB 3.2 Gen 2 10Gbps Type-C port on the back panel

• 1x USB 3.2 Gen 2 10Gbps Type-A port on the back Panel

• 2x USB 3.2 Gen 1 5Gbps ports available through the internal USB connector

• 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports available through the internal USB 2.0 connectors)

AMD CPU

• 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Internal I/O connectors

• 1 x 24-pin ATX main power connector

• 1 x 8-pin ATX 12V power connector

• 6 x SATA 6Gb/s connectors

• 2 x USB 2.0 connectors (support additional 4 USB 2.0 ports)

• 1x USB 3.2 Gen 1 5Gbps connector (support additional 2 USB 3.2 Gen 1 5Gbps ports)

• 1 x 4-pin CPU fan connector

• 1 x 4-pin water-pump-fan connector

• 4 x 4-pin system fan connectors

• 1 x TPM module connector

• 1 x Front panel audio connector

• 2 x System panel connectors

• 1 x Chassis Intrusion connector

• 1 x Serial Port connector

• 1 x Clear CMOS jumper

• 2 x 5050 RGB LED strip 12V connectors

Back panel connectors

Flash BIOS Button

PS/2 Combo Port

USB 3.2 Gen 1 5Gbps Type-A ports

LAN Port

HD Audio Connectors

USB 2.0 Port

DVI-D Port

HDMI Port

USB 3.2 Gen 2 10Gbps Type-A+C ports