MSI B450 Gaming Plus Maximum AMD Ryzen 2nd / 3rd Gen Socket AM4 ATX Motherboard, AMD B450 Chipset, Dual Memory channel, 4x DIMM slots, 128GB Maximum Memory, 2x PCI-e 16x, 4x PCI-e x1, 2x SATA 6Gb/s ports, 1x M.2 slot, RAID, 1x Realtek 8111H Gigabit LAN, USB 3.2 ports, USB 2.0 ports, Serial ports, Audio ports, DVI-D, HDMI, Crossfire, 7.1-channel high definition audio
Motherboards: AMD Socket AM4 Motherboard
Specifications:
| © 2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered. | |
Specifications and features![]() | |
| Product Code | B450 GAMING PLUS MAX![]() |
| Quick Spec | |
| Socket | AM4 |
| CPU (Max Support) | Ryzen |
| Chipset | AMD B450 Chipset |
| DDR4 Memory | 1866/ 2133/ 2400/ 2667Mhz (by JEDEC) |
| 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE) | |
| For AMD Other CPU | |
| 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 4000/ 4133 MHz (by A-XMP OC MODE) | |
| For AMD Ryzen Gen3 (R5/R7/R9) | |
| Memory Channel | Dual |
| DIMM Slots | 4 |
| Max Memory (GB) | 128 |
| PCI-E x16 | 2 |
| PCI-E Gen | Gen3(PCI_E1), Gen2(PCI_E4) |
| PCI-E x1 | 4 |
| SATAIII | 6 |
| M.2 Slot | 1 |
| RAID | 0/1/10 |
| TPM (header) | 1 |
| LAN | 1x Realtek 8111H |
| USB 3.2 ports (Front) | 2(Gen1, Type A) |
| USB 3.2 ports (Rear) | 2(Gen2, Type A), 2(Gen1, Type A) |
| USB 2.0 ports (Front) | 4 |
| USB 2.0 ports (Rear) | 2 |
| Serial ports(Front) | 1 |
| Audio ports (Rear) | Realtek ALC892 Codec |
| DVI-D | 1 |
| HDMI | 1 |
| DirectX | 12 |
| Form Factor | ATX |
| CrossFire | Y |
| Operating System | Support for Windows 10 64-bit |
| * To support Windows 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU. | |
| Detailed Spec | |
| Processor | Supports 1st, 2nd and 3rd Gen AMD Ryzen, Ryzen with Radeon Vega Graphics, 2nd Gen AMD Ryzen with Radeon Graphics and Athlon with Radeon Vega Graphics Desktop Processors for Socket AM4 |
| 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. |
| 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/ 3466MHz (by A-XMP OC MODE) | |
| Dual channel memory architecture | |
| Supports non-ECC UDIMM memory | |
| Supports ECC UDIMM memory (non-ECC mode) | |
| 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) | |
| 4 x PCIe 2.0 x1 slots | |
| 1. PCI_E4 will run x1 speed when installing devices in PCI_E2/ PCI_E3/ PCI_E5 slot. | |
| Onboard Graphics | 1 x DVI-D port, support a maximum resolution of 1920x1200 @60Hzz |
| 1 x HDMI 1.4 port, supports a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60Hz | |
| 1. Only support when using Ryzen with Radeon Vega Graphics, 2nd Gen AMD Ryzen with Radeon Graphics and Athlon with Radeon Vega Graphics processors | |
| 2. Maximum shared memory of 2048 MB | |
| Multi-GPU | Supports 2-Way AMD CrossFire Technology |
| Storage | AMD CPU |
| 2 x SATA 6Gb/s ports | |
| 1 x 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 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. | |
| RAID | AMD B450 Chipset |
| Supports RAID 0, RAID1 and RAID 10 for SATA storage devices | |
| USB | AMD B450 Chipset |
| 2 x USB 3.2 Gen2 (SuperSpeed USB 10Gbps) Type-A ports on the back panel | |
| 2 x USB 3.2 Gen1 (SuperSpeed USB) ports available through the internal USB 3.2 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 3.2 Gen1 (SuperSpeed USB) Type-A ports on the back panel | |
| Audio | Realtek ALC892 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 | |
| 2 x 5050 RGB LED strip 12V connectors | |
| BACK PANEL PORTS | 1. PS/2 Combo Port |
| 2. USB 3.2 Gen1 | |
| 3. LAN Port | |
| 4. HD Audio Connectors | |
| 5. Flash BIOS Button | |
| 6. USB 2.0 Ports | |
| 7. DVI-D Port | |
| 8. HDMI Port | |
| 9. USB 3.2 Gen2 | |
| 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. | |
Sold by ComX Computers
Specifications are subject to change without notice. E&OE. Prices are a guide only, and are valid on 2022-03-03 only, subject to stock being available. The specifications displayed above applies to the the entrie range, and may not apply to this specific model. Kindly note that options CANNOT be changed for most models, and some options are not available in South Africa.