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MSI PRO B450-A PRO MAX AM4 AMD B450 SATA 6Gb/s ATX AMD Motherboard
Used - Very Good Product Type
- AMD B450
- 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
- For AMD Ryzen Gen3 (R5/R7/R9):
- Supports DDR4 4133/ 4000/ 3866/ 3733/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC MODE)
- For AMD Other CPU:
- Supports DDR4 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC MODE)
- Supports DDR4 2667/ 2400/ 2133/ 1866 MHz (by JEDEC)
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Specs
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Learn more about the MSI B450-A PRO MAX
| Brand | MSI |
|---|---|
| Series | PRO |
| Model | B450-A PRO MAX |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | 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 |
| Chipset | AMD B450 |
|---|
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | For AMD Ryzen Gen3 (R5/R7/R9): Supports DDR4 4133/ 4000/ 3866/ 3733/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC MODE) For AMD Other CPU: Supports DDR4 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz (by A-XMP OC MODE) Supports DDR4 2667/ 2400/ 2133/ 1866 MHz (by JEDEC) |
| Maximum Memory Supported | 64GB |
| Channel Supported | Dual Channel |
| PCI Express 3.0 x16 | 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 |
|---|---|
| PCI Express 2.0 x16 | 1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)* * PCI_E4 will run x1 speed when installing devices in PCI_E2/PCI_E3/PCI_E5 slot. |
| PCI Express x1 | 4 x PCIe 2.0 x1 slots* * PCI_E4 will run x1 speed when installing devices in PCI_E2/PCI_E3/PCI_E5 slot. |
| Serial ATA (SATA) | AMD B450 Chipset 4 x SATA 6Gb/s ports AMD CPU 2 x SATA 6Gb/s ports* * SATA5 and SATA6 ports will be unavailable when installing a M.2 device in M.2 slot. |
|---|---|
| M.2 | 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 standards 2242/2260/2280/22110 storage device * SATA5 and SATA6 ports will be unavailable when installing a M.2 device in M.2 slot. |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | Supported only by CPU with integrated graphic: 1 x VGA port, support a maximum resolution of 2048x1280@60Hz,1920x1200@60Hz 1 x DVI-D port, support a maximum resolution of 1920x1200@60Hz 1 x HDMI 1.4 port, supports a maximum resolution of 4096x2160@30Hz, 2560x1600@60Hz Only support when using Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics / Athlon with Radeon Vega Graphics processors Maximum shared memory of 2048MB |
|---|
| Audio Chipset | Realtek ALC892 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek 8111H |
|---|---|
| Max LAN Speed | 1Gbps |
| Back I/O Ports | 1 x D-Sub / 1 x DVI-D / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 Keyboard/Mouse Combo / 2 x USB 2.0/1.1 / 2 x USB 3.2 Gen 1 / 2 x USB 3.2 Gen 2 / 6 x Audio Jacks |
|---|
| Onboard USB | 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) |
|---|---|
| Other Connectors | 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 |
| Form Factor | ATX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector |
| Features | 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 Supports DDR4 Memory, up to 4133(OC) MHz Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs DDR4 Boost: Fully isolated, shielded and optimized DDR4 PCB design to give your DDR4 memory a performance boost Audio Boost: Reward your ears with studio grade sound quality Flash BIOS Button: Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card Core Boost: With premium layout and fully digital power design to support more cores and provide better performance Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire AMD Turbo USB 3.2 Gen2: Powered by AMD USB 3.2 Gen2 controller, Turbo USB ensures an uninterrupted connection with more stability and fastest USB speeds |
|---|
| First Listed on Newegg | March 13, 2026 |
|---|
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