MSI B450 A PRO MAX AMD Motherboard

PROCESSOR

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

See supported processors

CHIPSET

AMD^® B450 Chipset

MEMORY

• 4 x DDR4 memory slots, support up to 128GB *ComboPI 1.0.0.3-based and above BIOS are required.¹
  • Supports 1866/ 2133/ 2400/ 2667Mhz (by JEDEC)
  • For AMD Ryzen Gen3 (R5/R7/R9)
    • Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 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)

1. Please refer to Compatibility for more information on compatible memory

SLOTS

• 1 x PCIe 3.0 x16 slot (PCI_E1)
  • 1st, 2nd and 3rd Gen AMD Ryzen™ support x16 mode
  • Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics support x8 mode
  • Athlon™ with Radeon™ Vega Graphics support x4 mode
• 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)¹
• 4 x PCIe 2.0 x1 slots¹

1. PCI_E4 will run x1 speed when installing devices in PCI_E2/ PCI_E3/ PCI_E5 slot.

ONBOARD GRAPHICS

• 1 x VGA port, support a maximum resolution of 2048×1280 @60Hz,1920×1200 @60Hz¹²
• 1 x DVI-D port, support a maximum resolution of 1920×1200 @60Hz¹²
• 1 x HDMI 2.0b with HDR port, supports a maximum resolution of 4K @60Hz¹²³

1. Only support when using Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics/ Athlon™ with Radeon™ Vega Graphics processors
2. Maximum shared memory of 2048 MB
3. Graphics specifications may vary depending on the CPU installed.

MULTI-GPU

• Supports 2-Way AMD^® CrossFire™ Technology

STORAGE

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 standards 2242/ 2260/ 2280/ 22110 storage device

AMD^® B450 Chipset

• 4 x SATA 6Gb/s ports

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

RAID

AMD^® B450 Chipset

• Supports RAID 0, RAID1 and RAID 10 for SATA storage devices

USB

AUDIO

Realtek^® ALC892/ALC897 Codec

• 7.1-Channel High Definition Audio

LAN

• 1 x Realtek^® 8111H Gigabit LAN controller

INTERNAL 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)
• 1 x USB 3.2 Gen1 connectors (support additional 2 USB 3.2 Gen1 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 Serial port connector
• 1 x Parallel port connector
• 1 x Chassis Intrusion connector
• 1 x Clear CMOS jumper
• 1 x 5050 RGB LED strip 12V connector

BACK PANEL PORTS

DIMENSIONS

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

MOUNTING

9 mounting holes

OPERATING SYSTEM

Support for Windows^® 10 64-bit
Support for Windows^® 7 64-bit
* To support Windows^® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.

BOX CONTENT

1. MSI^® does not guarantee the risks or damages caused by changing the cover.
2. These pictures are for reference only and may vary without notice.