MSI B450 Gaming Plus DDR4 AMD Motherboard
MPN MSI-B450-GAMING-PLUS · Brand MSI · Mini-ITX
The MSI B450 Gaming Plus is a Mini-ITX AM4 motherboard supporting AMD Ryzen 1st–3rd Gen CPUs, dual-channel DDR4 up to 3466 MHz (OC), one M.2 slot, four SATA III ports, and MSI Audio Boost with Realtek ALC887 audio
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Overview
The MSI B450 Gaming Plus is a Mini-ITX form factor motherboard built on the AMD B450 chipset with Socket AM4 compatibility. It supports AMD Ryzen 1st, 2nd, and 3rd Generation processors, as well as Ryzen with Radeon Vega Graphics and Athlon with Radeon Vega Graphics desktop processors, making it a versatile platform for AMD-based builds. Memory performance is handled through two DDR4 DIMM slots supporting dual-channel configuration with a maximum capacity of 32 GB. Standard JEDEC speeds of 1866, 2133, 2400, and 2667 MHz are supported, while A-XMP overclocking profiles extend support up to 3466 MHz, with intermediate steps at 2800, 2933, 3000, 3066, and 3200 MHz. MSI's DDR4 Boost technology optimises signal integrity on the memory traces to help maintain stability at higher speeds. Storage options include four SATA III ports and one M.2 slot, catering to both traditional drives and fast NVMe or SATA M.2 SSDs. The board also includes MSI's StoreMI technology and TURBO M.2 feature as part of its storage acceleration suite. Connectivity at the rear I/O includes four USB 3.1 Gen 1 Type-A ports and two USB 2.0 ports, while the front-panel headers provide an additional two USB 3.1 Gen 1 and two USB 2.0 connections. Display outputs consist of one HDMI and one DisplayPort, supporting integrated graphics from compatible AMD APUs. Networking is handled by a single Realtek 8111H Gigabit LAN controller. Audio is powered by a Realtek ALC887 codec with three rear audio ports, complemented by MSI's Audio Boost circuitry for improved channel separation. The board supports MSI Core Boost, a digital power design intended to deliver stable voltage to the processor, and features a Flash BIOS Button that allows firmware updates via USB without a CPU or memory installed. A single TPM header is present for security module attachment. Verified Specifications: - Socket: AM4 - Chipset: AMD B450 - Form Factor: Mini-ITX - DIMM Slots: 2 (Dual Channel) - Max Memory: 32 GB DDR4 - Memory Speed: Up to 3466 MHz (A-XMP OC) - PCI-E x16 Slots: 1 - SATA III Ports: 4 - M.2 Slot: 1 - LAN: Realtek 8111H (1 GbE) - Audio: Realtek ALC887 Codec, 3 rear ports - USB 3.1 Gen 1 (Rear): 4 × Type-A - USB 3.1 Gen 1 (Front header): 2 × Type-A - USB 2.0 (Rear): 2 - USB 2.0 (Front header): 2 - Display: 1 × HDMI, 1 × DisplayPort - DirectX: 12 - TPM Header: 1 - OS Support: Windows 10 64-bit; Windows 7 64-bit (requires Pinnacle Ridge or Summit Ridge CPU)
Datasheet
| Form Factor | Mini-ITX |
|---|---|
| Chipset | AMD® B450 Chipset |
| Socket | AM4 |
| Lan | 1(Realtek® 8111H) |
| HDMI | 1 |
| Raid | 2000/1/10 |
| Directx | 12 |
| Sataiii | 4 |
| M.2 Slot | 1 |
| Pci-E X16 | 1 |
| Dimm Slots | 2 |
| Ddr4 Memory | 1866/ 2133/ 2400/ 2667Mhz (by JEDEC) 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE) |
| Displayport | 1 |
| Tpm (Header) | 1 |
| Memory Channel | Dual |
| Max Memory (Gb) | 32 |
| Operating System | Support for Windows® 10 64-bitSupport for Windows® 7 64-bit* To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU |
| CPU (Max Support) | Ryzen 7 |
| Audio Ports (Rear) | 3(Realtek® ALC887 Codec) |
| USB 2.0 Ports (Rear) | 2 |
| USB 3.1 Ports (Rear) | 4(Gen1, Type A) |
| USB 2.0 Ports (Front) | 2 |
| USB 3.1 Ports (Front) | 2(Gen1, Type A) |




