ASRock A520M Pro4 AMD AM4 DDR4 4733+ (OC) 2 x PCIe 3.0 x16, 1 x M.2 WiFi Key E HDMI D-Sub 7.1 (PCIe Gen3 x4), 1 x M.2 (PCIe Gen3 x2 & SATA3) 10 x USB 3.2 Gen1 Motherboards

Exclusive Features
ASRock Super Alloy
- 50A High Efficiency Inductor
- Gemstone Black PCB
- High Density Moisture Resistant Fiber Circuit Board
- 2 oz copper PCB board
ASRock M. 2 Thermal Armor
ASRock Super M. 2 (PCIe Gen3x4)
ASRock Power-On Self-Check Status Checker (PSC)
ASRock Full Protection (Support all USB, Audio, Network Interface)
ASRock Instant Update & App Market
Processor
- Support AMD AM4 slot Ryzen 3000, 4000 G-Series and 5000 and 5000 G-Series Desktop processors*
- Digital Power Supply

*Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.
Chips
- AMD A520
Memory
- Dual-channel DDR4 memory technology
- 4 x DDR4 memory slots
- AMD Ryzen series processors (Vermeer) support DDR4 4533+ (OC) / 4466 (OC) / 4400 (OC) / 4333 (OC) / 4266 (OC) / 4200 (OC) / 4133 (OC) / 4000 (OC) / 3866 (OC) / 3800 (OC) / 3733 (OC) / 3600 (OC) / 3466 (OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & (non-ECC), un-buffered memory*
- AMD Ryzen series processors (Matisse) support DDR4 4533+ (OC) / 4466 (OC) / 4400 (OC) / 4333 (OC) / 4266 (OC) / 4200 (OC) / 4133 (OC) / 4000 (OC) / 3866 (OC) / 3800 (OC) / 3733 (OC) / 3600 (OC) / 3400 (OC) / 3433 (OC) / 3600 (OC) / 3433 (OC) 3600 (OC) / 3466 (OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & (non-ECC), un-buffered memory*
3866 (OC) / 3800 (OC) / 3733 (OC) / 3600 (OC) / 3466 (OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & (non-ECC), un-buffered memory*
- AMD Ryzen series APUs (Renoir) support DDR4 4733+ (OC) / 4666 (OC) / 4600 (OC) / 4533 (OC) / 4466 (OC) / 4400 (OC) / 4333 (OC) / 4266 (OC) / 4200 (OC) / 4133 (OC) / 4000 (OC) / 3866 (OC) / 3886 (OC) / 383 (OC) / 3333 (OC) / 4133 (OC) / 4000 (OC) / 4000 (OC) 3866 (OC) / 3800 (OC) / 3733 (OC) / 3600 (OC) / 3466 (OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & (non-ECC), un-buffered memory*
- Maximum system memory capacity: 128GB**
- Supports Extreme Memory Profile (XMP) memory modules
- DIMM slots with 15 gold-plated pins

SR: Single row DIMM, 1Rx4 or 1Rx8 on DIMM module label x=1 or 2
DR: Dual row DIMM, 2Rx4 or 2Rx8 on the DIMM module label

**The actual memory available under Windows® 32-bit operating system will be less than 4GB due to operating system limitations, which will not apply to 64-bit CPUs under Windows® 64-bit operating system.
BIOS
- 128Mb AMI UEFI Legal BIOS with GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliant, Wake Up and Auto Power On (Wake Up Events) support
- Jumper-free support
- Support SMBIOS 2.3
- CPU, CPU VDDCR_SOC, DRAM, VPPM, + 1.8VSB voltage multifunction regulator
Onboard Graphics
- AMD Radeon HD Vega series display cores* integrated on Ryzen series APUs
- DirectX 12, Pixel Shading Engine 5.0
- Shared memory defaults to 2GB. supports up to 16GB of shared memory. **
- Triple display output options: D-Sub, HDMI and Display Port 1.4
- Supports simultaneous output of three monitors
- Supports HDMI 2.1, maximum resolution up to 4K x 2K (4096x2160) @ 60Hz
- Supports Display Port 1.4, up to 5K (5120x2880) @ 120Hz
- Support D-Su