MSI Arsenal Gaming AMD Ryzen 1st and 2nd Gen AM4 M.2 USB 3 DDR4 DVI HDMI Crossfire ATX Motherboard (B450 Tomahawk)

• 4 x DDR4 memory slots, support up to 64GB
• Supports 1866/ 2133/ 2400/ 2667Mhz (by JEDEC)
• Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)
• Dual channel memory architecture
• Supports non-ECC, un-buffered memory
• Supports ECC UDIMM memory (non-ECC model)

• 1 x PCIe 3.0 x16 slot (PCI_E1)
  • Supports x16 speed with AMD^® Ryzen™ 1st and 2nd Generation processors
  • Supports x8 speed with AMD^® Ryzen™ with Radeon Vega Graphics processors
  • Supports x4 speed with AMD^® Athlon™ with Radeon™ Vega Graphics Processors
• 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)¹
• 3 x PCIe 2.0 x1 slots¹

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

• 1 x DVI-D port, support a maximum resolution of 1920×[email protected]¹
• 1 x HDMI™ 1.4 port, supports a maximum resolution of 4096×[email protected], 2560×[email protected]¹

1. Only support when using AMD^® Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors
2. Maximum shared memory of 2048 MB

• Supports 2-Way AMD^® CrossFire™ Technology

AMD^® CPU

• 2 x SATA 6Gb/s ports¹
• 1 x M.2 slot (Key M)¹
  • Supports PCIe 3.0 x4 (AMD^® Ryzen 1st and 2nd Generation/ Ryzen™ with Radeon™ Vega Graphics) or PCIe 3.0 x2 (AMD^® Athlon™ with Radeon™ Vega Graphics) and SATA 6Gb/s 2242/ 2260 /2280/ 22110 storage devices

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.

AMD^® B450 Chipset

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

AMD^® B450 Chipset

• 1 x USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-C port on the back panel
• 1 x USB 3.1 Gen2 (SuperSpeed USB 10Gbps) Type-A port on the back panel
• 2 x USB 3.1 Gen1 (SuperSpeed USB) ports available through the internal USB 3.1 Gen1 connector
• 6 x USB 2.0 (High-speed USB) ports (2 Type-A ports on the back panel, 4 ports available through the internal USB 2.0 connectors)

AMD^® CPU

• 2 x USB 3.1 Gen1 (SuperSpeed USB) Type-A ports on the back panel

Realtek^® ALC892 Codec

• 7.1-Channel High Definition Audio

• 1 x Realtek^® 8111H Gigabit LAN controller

• 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 3.1 Gen1 connectors (support additional 2 USB 3.1 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 Chassis Intrusion connector
• 1 x Serial Port connector
• 1 x Clear CMOS jumper
• 2 x 5050 RGB LED strip 12V connectors

1. BIOS FLASHBACK+ Button
2. PS/2 Combo Port
3. USB 3.1 Gen1
4. LAN Port
5. HD Audio Connectors
6. USB 2.0 Port
7. DVI-D Port
8. HDMI Port
9. USB 3.1 Gen2 Type A+C

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

• 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.