ASRock B550 Extreme4 AM4 ATX Motherboard (AMD Socket AM4/3rd Gen Ryzen Series CPU/Max 128GB DDR4 4733MHz Memory)

Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
14 Power Phase Design, Digi Power, Dr. MOS
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI
AMD CrossFireX
7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio
6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
2 USB 3.2 Gen2 (Rear Type A+C), 5 USB 3.2 Gen1 (2 Front, 2 Rear, 1 Front Type-C)
Dragon 2.5G LAN

Specification :

Unique Feature ASRock USB 3.2 Gen2
ŰŇ ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
ŰŇ ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
ŰŇ XXL Aluminum Alloy Heatsink
ŰŇ Premium 60A Power Choke
ŰŇ 50A Dr.MOS
ŰŇ Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
ŰŇ Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
ŰŇ I/O Armor
ŰŇ Matte Black PCB
ŰŇ High Density Glass Fabric PCB
ŰŇ 2oz Copper PCB
2.5G LAN
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock Ultra USB Power
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
CPU ŰŇ Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors*
ŰŇ Digi Power design
ŰŇ 14 Power Phase design
*Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.
Chipset ŰŇ AMD B550
Memory ŰŇ Dual Channel DDR4 Memory Technology
ŰŇ 4 x DDR4 DIMM Slots
ŰŇ AMD Ryzen series CPUs (Matisse) 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) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
ŰŇ 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) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
ŰŇ Max. capacity of system memory: 128GB**
ŰŇ Supports Extreme Memory Profile (XMP) memory modules
ŰŇ 15ë_ Gold Contact in DIMM Slots