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MSI
MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX
SKU
B550-A PRO
In Stock
AMD B550, AM4, 4x DDR4, HDMI, DP, SATA III, M.2, USB 3.2, 1G LAN, PS/2, ATX, 305x244 mm
Secure fast payment on this purchase
Next Day (UK) Delivery offered on stock items
- Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update
- Supports DDR4 Memory, up to 4400(OC) MHz
- Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
- Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
- Audio Boost: Reward your ears with studio grade sound quality
- Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire
- Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| 12V power connector | Yes |
| Supported storage drive interfaces | SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| mSATA ports quantity | 0 |
| TPM connector | Yes |
| Number of SATA connectors | 0 |
| Number of SATA III connectors | 6 |
| Number of SATA II connectors | 0 |
| Number of Parallel ATA connectors | 0 |
| Number of chassis fan connectors | 6 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| Motherboard form factor | ATX |
| Component for | PC |
| Number of mounting holes | 9 |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Supported storage drive types | HDD & SSD |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| RAID levels | 0, 1, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM4 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4800 MHz |
| Maximum internal memory | 128 GB |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | SATA III |
| RAID levels | 0, 1, 10 |
| Graphics | |
| Maximum graphics card memory | 16000 MB |
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| Maximum resolution | 4096 x 2160 pixels |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB 2.0 ports quantity | 4 |
| eSATA ports quantity | 0 |
| VGA (D-Sub) ports quantity | 0 |
| PS/2 ports quantity | 1 |
| Firewire (IEEE 1394) ports | 0 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 0 |
| DisplayPorts quantity | 1 |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | No |
| LAN controller | Realtek 8111H |
| Ethernet interface type | Gigabit Ethernet |
| Features | |
| Number of mounting holes | 9 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC892 |
| Harmonized System (HS) code | 84733020 |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| Clear CMOS jumper | Yes |
| Video | |
| Maximum graphics card memory | 16000 MB |
| Maximum resolution | 4096 x 2160 pixels |
| Software | |
| Drivers included | Yes |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Height | 65 mm |
| Weight | 1 kg |
| Width | 305 mm |
| Depth | 244 mm |
| Packaging content | |
| Drivers included | Yes |
| Cables included | SATA |
| Other features | |
| Height | 65 mm |
| mSATA ports quantity | 0 |
| Weight | 1 kg |
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|---|---|---|---|---|---|---|
| SKU |
B550-A PRO
|
90MB14U0-M0EAY0
|
90MB14I0-M0EAY0
|
90MB14S0-M0EAY0
|
B550 AORUS ELITE V2
|
B550M PRO-VDH
|
| Manufacturer |
MSI
|
ASUS
|
ASUS
|
ASUS
|
Gigabyte
|
MSI
|
| Processor manufacturer |
AMD
|
AMD
|
AMD
|
AMD
|
AMD
|
AMD
|
| Motherboard form factor |
ATX
|
ATX
|
micro ATX
|
ATX
|
ATX
|
micro ATX
|
| Processor socket |
Socket AM4
|
Socket AM4
|
Socket AM4
|
Socket AM4
|
Socket AM4
|
Socket AM4
|
| Supported memory types |
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR4-SDRAM
|
DDR4-SDRAM
|
| Component for |
PC
|
N/A
|
N/A
|
PC
|
PC
|
PC
|
| Number of memory slots |
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|
4 to 6
|