| SPECIFICATIONS |
| Brand | MSI |
| Series | AMD B450 Motherboards |
| Model | TOMAHAWK MAX II (90MB15X0-M0EAY0) |
| 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 |
| Memory | Memory Channels: |
| 4x DDR4 (Dual channel) |
| Max Memory Size: 128GB* |
| Supports 1866/ 2133/ 2400/ 2667Mhz (by JEDEC) |
| 3rd Gen AMD Ryzen (R5/R7/R9) supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 4000/ 4133 MHz (by A-XMP OC MODE) |
| Other AMD 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) |
| * ComboPI 1.0.0.3-based and above BIOS are required |
| Graphics | 1x DVI-D port, support a maximum resolution of 1920x1200 @60Hz |
| 1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz |
| * Maximum shared memory of 16GB |
| ** Only available when using Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics Athlon with Radeon Vega Graphics processors |
| *** Graphics specifications may vary depending on the CPU installed |
| Multi-GPU | Supports 2-Way AMD CrossFire Technology |
| Expansion Slots | 1x 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 |
| 1x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)* |
| 3x PCIe 2.0 x1 slots* |
| * PCI_E4 will run x2 speed when installing devices in PCI_E2/ PCI_E3 slot |
| Multi-GPU | Supports 2-Way AMD CrossFire Technology |
| Storage | AMD CPU: |
| 2x SATA 6Gb/s ports* |
| 1x M.2 slot (Key M)* |
| - 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: |
| 4x SATA 6Gb/s ports |
| * SATA5 and SATA6 ports will be unavailable when installing a M.2 device in M.2 slot |
| RAID | AMD B450: |
| Supports RAID 0, RAID1 and RAID 10 for SATA storage devices |
| 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 |
| Audio | Realtek ALC892/ALC897 Codec: |
| 7.1-Channel High Definition Audio |
| LAN | 1x Realtek 8111H Gigabit LAN controller |
| Back Panel I/O Ports | 1x Flash BIOS Button |
| 1x PS/2 Combo Port |
| 2x USB 3.2 Gen 1 5Gbps Type-A ports |
| 1x LAN (RJ45) Port |
| 6x HD Audio Connectors |
| 2x USB 2.0 Port |
| 1x DVI-D Port |
| 1x HDMI Port |
| 1x USB 3.2 Gen 2 10Gbps Type-A port |
| 1x USB 3.2 Gen 2 10Gbps Type-C port |
| Intrernal I/O Connectors | 1x 24-pin ATX main power connector |
| 1x 8-pin ATX 12V power connector |
| 6x SATA 6Gb/s connectors |
| 1x USB 3.2 Gen 1 5Gbps connector (support additional 2 USB 3.2 Gen 1 5Gbps ports) |
| 2x USB 2.0 connectors (support additional 4 USB 2.0 ports) |
| 1x 4-pin CPU fan connector |
| 1x 4-pin water pump connector |
| 4x 4-pin system fan connectors |
| 1x front panel audio connector |
| 2x system panel connectors |
| 1x serial port connector |
| 1x Chassis Intrusion connector |
| 1x Clear CMOS jumper |
| 2x 5050 RGB LED strip 12V connectors |
| 1x TPM module connector header |
| BIOS | 1x 256 Mb flash |
| UEFI AMI BIOS |
| ACPI 6.1, SM BIOS 2.8 |
| Multi-language |
| Package Contents | M.2 screws (3 pcs./pack) |
| Case badge |
| I/O Shielding |
| Product registration card |
| User manual |
| Quick installation guide |
| 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 |
| Form Factor | ATX |
| 30.5cm x 24.4cm |
| Warranty Information |
| Warranty | 3 Year Warranty |
Contact for Availability
