Descripción
| Brand | MSI |
|---|---|
| Series | PRO |
| Model | B550-A PRO |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series processors * * Not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G. |
| Chipset | AMD B550 |
|---|
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | DDR4 4400+ / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 by A-XMP OC MODE DDR4 3200 / 3066 / 3000 / 2933 / 2800 / 2667 / 2400 / 2133 / 1866 by JEDEC1DPC 1R Max speed 4800 1DPC 2R max speed 3866 2DPC 1R max speed 4000 2DPC 2R max speed 3600 |
| Maximum Memory Supported | 128GB |
| Channel Supported | Dual Channel |
| ECC Supported | Non-ECC |
| Buffer Supported | Un-buffered |
| PCI Express 4.0 x16 | 1 x PCI Express 4.0 x16* * Actual support may vary by CPU. |
|---|---|
| PCI Express 3.0 x16 | 1 x PCI Express 3.0 x16* * Supports x4 speed. |
| PCI Express x16 | 1 x PCI Express x16 |
| PCI Express x1 | 2 x PCIe 3.0 x1 |
| SATA 6Gb/s | 6 x SATA 6Gb/s |
|---|---|
| M.2 | 2 x M.2 slots (Key M): M2_1 slot (from AMD Processor): M2_2 slot (from AMD B550 chipset): * The supported specification depends on installed processor. |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | Supported only by CPU with integrated graphic |
|---|
| Audio Chipset | Realtek ALC892/ALC897 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek RTL8111H |
|---|---|
| Max LAN Speed | 1Gbps |
| Back I/O Ports | 1 x DisplayPort 1 x HDMI 1 x LAN (RJ45) 1 x PS/2 Keyboard/Mouse Combo 1 x USB 3.2 Gen 2 Type-A 1 x USB 3.2 Gen 2 Type-C 2 x USB 3.2 Gen 1 Type-A 4 x USB 2.0/1.1 6 x Audio Jacks Flash BIOS Button |
|---|---|
| USB 3.0 | 4 x USB 3.0 |
| Onboard USB | 1 x USB 3.2 Gen 1 5Gbps Type-C port 1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports) |
|---|---|
| Other Connectors | 1 x 4-pin CPU fan connector 1 x 4-pin water-pump fan connector 6 x 4-pin system fan connectors 1 x Front panel audio connector 2 x System panel connectors 1 x Chassis Intrusion connector 1 x 4-pin RGB LED connector 2 x 3-pin RAINBOW LED connectors 1 x TPM module connector 1 x Clear CMOS jumper |
| 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 |
Flash BIOS ButtonUse a USB drive to flash the BIOS even without a CPU or memory.
Core Boost TechnologyAn optimized power circuit layout is ready to unleash maximum performance.
2oz Thickened Copper PCBAn enhanced PCB material design improves heat dissipation and high-performance capabilities.
Digital PWMA selection of the highest quality power delivery components lets the system run reliably even under extreme conditions.
PCIe Steel ArmorReinforced and shielded PCIe slots for strength and stability.
B550-A PRO
7W/mK Thermal PadPremium 7W/mK thermal pad covers both the MOSFET and chokes while providing better heat transfer to the heatsink.
Extended HeatsinkLarger heatsink design for cooling and performance.
Pump Fan SupportControl watercooling pump speeds for flowrate and noise control.
M.2 Shield FrozrSustain maximum high-speed M.2 SSD data transfer with M.2 SHIELD FROZR and prevent SSD thermal throttling.
B550-A PRO
Turbo USBFeaturing TURBO USB 3.2 GEN 2 10Gbps with reversible Type-C connector.
DDR4 BoostThe memory circuit design has been optimized on a reserved section of the motherboard fully isolated from other circuits.
Lightning Gen 4 SolutionTransfer data lightning fast across Gen 4 PCI-E and M.2 with up to 64GB/s bandwidth.
Core Boost combines a reserved zone of optimized circuits and premium power delivery components to create a highly efficient power system capable of precise current output to the CPU.
Unleash and sustain maximum performance with an aggressive VRM design built to supply stable and steady power delivery.
- 10 phase Duet Rail Power System
- 2 phase SOC Power
- 1 phase APU Power
- Digital PWM IC
An all-metal extended heatsink cover enlarges the heat dissipation surface allowing the CPU power system to reliably drive multi-core processors.
An enhanced PCB material design with 2oz thickened copper increases conductivity, improving heat dissipation and high-performance reliability.
Effortlessly plug in devices with reversible USB Type-C.
Sustain maximum M.2 SSD data transfer with M.2 SHIELD FROZR. Prevent SSD thermal throttling with a heatsink that extends across the motherboard.
Strike fast with MSI Lightning Gen 4 PCI-E. Attach ultra fast PCI-E 4.0 devices and enjoy up to 64GB/s unidirectional transfer bandwidth.
MSI takes memory stability and performance to the extreme. We’ve designed an optimized memory circuit design for reliability and tested compatibility extensively in partnership with major memory manufacturers.
Tuck away SATA and USB cables neatly with MSI Atypical PCB edge.
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