Asrock B450M Pro4 R2.0 micro ATX motherboard
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About This Item
- AMD B450 micro ATX motherboard for Socket AM4
- Supports AMD Ryzen 3/5/7 processors
- Dual M.2 slots for PCIe Gen3 x4 and SATA3 SSDs
- 4 DIMM slots supporting up to 128GB DDR4 memory
- 7.1 channel audio with Realtek ALC892/ALC897 codec
- 1Gb Ethernet with Realtek RTL8111H controller
- Supports CrossFireX multi-GPU configurations
- PCIe x16 Gen3 and PCIe x16 Gen2 slots available
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ASRock B450M Pro4 R2.0 | Compact AMD Ryzen Micro-ATX Motherboard
The ASRock B450M Pro4 R2.0 AMD B450 Socket AM4 micro ATX motherboard delivers robust performance for AMD Ryzen processors in a space-efficient micro-ATX form factor. This board combines essential features for gaming and productivity systems with reliable power delivery and expandability options suitable for both first-time builders and experienced enthusiasts.
Slim Specs Table
| Metric | Spec. |
|---|---|
| Form Factor | micro ATX |
| Socket | AM4 |
| Memory Support | DDR4, up to 128GB |
| PCIe Slots | 1x PCIe 3.0 x16, 1x PCIe 2.0 x16 |
| Storage | 1x M.2, 4x SATA III |
Reliable Power Delivery for Ryzen Processors
The 10-phase power design ensures stable voltage delivery to AMD Ryzen CPUs, supporting smooth operation under load. With premium 42A power chokes and Digi Power technology, this motherboard maintains clean power delivery even during demanding tasks or overclocking sessions. The solid capacitor design enhances long-term reliability compared to standard electrolytic capacitors.
Versatile Storage and Memory Configuration
Supporting up to 128GB of DDR4 memory across four DIMM slots, this board accommodates everything from basic office setups to memory-intensive applications. The dual-channel architecture maximizes memory bandwidth for improved system responsiveness. Storage options include one ultra-fast M.2 slot for NVMe SSDs alongside four SATA III ports for traditional drives, with RAID 0, 1, and 10 support for data protection or performance configurations.
Comprehensive Connectivity Options
Despite its compact size, the B450M Pro4 R2.0 offers extensive connectivity. Four USB 3.2 Gen 1 ports handle high-speed peripherals, while a USB 3.2 Gen 2 Type-A and Type-C port provide cutting-edge transfer speeds up to 10Gbps. The rear I/O includes VGA, DVI-D, and HDMI outputs supporting triple monitor setups with 4K resolution capability. Gigabit Ethernet ensures reliable wired networking, while 7.1 channel HD audio delivers immersive sound quality.
Smart Cooling and System Monitoring
Three chassis fan headers plus a dedicated CPU fan connector provide comprehensive cooling control. The motherboard monitors fan speeds, temperatures, and voltages through its hardware monitoring system, allowing users to maintain optimal operating conditions. This monitoring capability helps prevent overheating and ensures system stability during extended use or heavy workloads.
Box contents
- ASRock B450M Pro4 R2.0 motherboard
- I/O shield
- SATA cables
- User manual
- Driver/software disc
Check before you buy
- Confirm your AMD Ryzen processor is compatible with Socket AM4
- Verify your case supports micro ATX motherboards (244mm x 244mm)
- Check that your power supply has a 24-pin ATX and 8-pin EPS connector
- Confirm your RAM meets the DDR4 specification and maximum 3200MHz speed
Frequently Asked Questions
Q: Does this motherboard support Ryzen 5000 series processors?
A: The B450M Pro4 R2.0 may require a BIOS update to support Ryzen 5000 series processors. Check ASRock’s website for the latest BIOS version.
Q: Can I use this motherboard without a dedicated graphics card?
A: Yes, the motherboard has onboard graphics support through the AMD chipset, allowing use with integrated graphics on compatible Ryzen APU processors.
Q: How many M.2 SSDs can I install?
A: This motherboard supports one M.2 SSD. One M.2 slot is provided, which supports both PCIe and SATA M.2 drives.
Q: Is Wi-Fi included on this motherboard?
A: No, this motherboard does not include built-in Wi-Fi. You would need to use the Gigabit Ethernet connection or add a Wi-Fi adapter.
Q: What is the maximum memory speed supported?
A: The motherboard supports DDR4 memory up to 3200MHz, though actual speeds may depend on your specific CPU and memory kit.
The Consultant’s verdict & warranty
The ASRock B450M Pro4 R2.0 offers excellent value for users building AMD Ryzen systems in compact micro-ATX cases. Its robust power delivery, comprehensive connectivity options, and support for high-speed memory make it suitable for gaming, content creation, and everyday computing. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 1 |
| Front panel connector | Yes |
| Supported storage drive interfaces | M.2, PCI Express 3.0, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Technical details | |
| Number of displays supported | 3 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B450 |
| PC health monitoring | Fan, Temperature, Voltage |
| Parallel processing technology support | CrossFireX, Quad-GPU CrossFireX |
| On-board graphics card | Yes |
| HDMI version | 1.4 |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B450 |
| RAID levels | 0, 1, 10 |
| PC health monitoring | Fan, Temperature, Voltage |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7 |
| 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 | 2133,2400,2667,2933,3200 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, PCI Express 3.0, SATA III |
| RAID levels | 0, 1, 10 |
| RAID support | Yes |
| Graphics | |
| Number of displays supported | 3 |
| Parallel processing technology support | CrossFireX, Quad-GPU CrossFireX |
| On-board graphics card | Yes |
| Maximum resolution | 4096 x 2160 pixels |
| HDCP | Yes |
| Graphics card family | AMD |
| Discrete graphics support | Yes |
| DirectX version | 12.0 |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| 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 connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 2 |
| VGA (D-Sub) ports quantity | 1 |
| Microphone in | Yes |
| Headphone outputs | 1 |
| HDMI version | 1.4 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DVI-D ports quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Wake-on-LAN ready | Yes |
| LAN controller | Realtek RTL8111H |
| Ethernet interface type | Gigabit Ethernet |
| Features | |
| Power source type | ATX |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B450 |
| PC health monitoring | Fan, Temperature, Voltage |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio chip | Realtek ALC892 / Realtek ALC897 |
| Harmonized System (HS) code | 84733020 |
| Expansion slots | |
| Number of M.2 (M) slots | 1 |
| PCI Express x16 (Gen 2.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 128 Mbit |
| ACPI version | 5.1 |
| System Management BIOS (SMBIOS) version | 2.3 |
| Power | |
| Power source type | ATX |
| Video | |
| Maximum resolution | 4096 x 2160 pixels |
| HDCP | Yes |
| Graphics card family | AMD |
| Discrete graphics support | Yes |
| DirectX version | 12.0 |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Drivers included | Yes |
| Bundled software | ASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Drivers included | Yes |
| Cables included | SATA |
| Bundled software | ASRock A-Tuning ASRock Polychrome SYNC ASRock XFast LAN |
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