Asrock

ASRock B450 PRO4 R2.0 - AM4 ATX Motherboard - B450 Chipset, Supports 128GB DDR4, Dual M.2, USB 3.2 Gen2 Type-C

SKU 5057 Brand Asrock EAN13 4710483932786
ASRock B450 PRO4 R2.0 ATX motherboard with AM4 socket, B450 chipset, DDR4-3200 support (128GB max), dual M.2 slots, USB 3.2 Gen2 Type-C, and 10-phase power design for gaming and overclocking.
Motherboards - CPU Socket AMD AM4
Motherboards - Chipset AMD B450
Motherboards - Form Factor ATX
Motherboards - Memory Type DDR4
Motherboards - Memory Profile Support XMP
Motherboards - Memory Slots 4
Motherboards - Max Memory Capacity 128 GB
Motherboards - Main Slot PCIe Version PCIe 3.0
Motherboards - Color Black
Motherboards - M.2 Slots 2
Motherboards - SATA Ports 4
Motherboards - USB-C Support Rear Type-C
Motherboards - RGB Headers 3-pin 5V ARGB 4-pin 12V RGB
Motherboards - Wireless Connectivity None

The ASRock B450 PRO4 R2.0 is a full-size ATX motherboard designed for AMD Ryzen processors on the AM4 socket. It features the AMD B450 chipset and supports Ryzen 2000, 3000, 4000 G-Series, 5000, and 5000 G-Series processors. The board supports DDR4 memory up to 3200MHz (with overclocking capability) with a maximum capacity of 128GB across 4 DIMM slots, and includes XMP profile support for optimized memory performance.

Connectivity and storage options include dual M.2 slots (one PCIe Gen3 x4 for up to 32Gb/s transfer speeds, one supporting SATA3 at 6Gb/s), 4 SATA3 ports for traditional drives, and comprehensive USB connectivity featuring USB 3.2 Gen2 Type-A and Type-C rear ports delivering 10Gbps data transfer rates. The motherboard includes a 10-phase power design with digital PWM (Digi Power) and premium 42A power chokes, delivering stable power delivery for CPU overclocking and enhanced performance. Additional features include 2oz copper PCB layers for improved thermal efficiency, AMD Quad CrossFireX support for multi-GPU configurations, 7.1 channel HD audio with Realtek ALC892/897 codec, and both 3-pin 5V ARGB and 4-pin 12V RGB headers for lighting customization.

  • Socket: AMD AM4 (supports Ryzen 2000, 3000, 4000G, 5000, 5000G series)
  • Memory: DDR4-3200+ (OC), 4 DIMM slots, 128GB maximum capacity
  • Storage: 4x SATA3, 2x M.2 (PCIe Gen3 x4 and SATA3)
  • Connectivity: USB 3.2 Gen2 Type-A and Type-C, 1Gbps Ethernet (Realtek RTL8111H)
  • Expansion: 2x PCIe 3.0 x16, 1x PCIe 2.0 x16, 1x PCIe 2.0 x1, CrossFireX support
  • Power: 10-phase design, digital PWM, 42A power chokes
  • Audio: 7.1 CH HD Audio (Realtek ALC892/897)
  • RGB: 3-pin 5V ARGB and 4-pin 12V RGB headers
SocketAMD AM4
ChipsetAMD B450 (Promontory)
Form FactorATX
Memory TypeDDR4
Memory Slots4 DIMM
Memory SpeedDDR4-2133, DDR4-2400, DDR4-2666, DDR4-2933, DDR4-3200 (OC)
Maximum Memory128 GB
Memory Profile SupportXMP
CPU SupportRyzen 2000, 3000, 4000 G-Series, 5000, 5000 G-Series
PCIe Slots2x PCIe 3.0 x16, 1x PCIe 2.0 x16, 1x PCIe 2.0 x1
M.2 Slots2 (1x PCIe Gen3 x4 Ultra M.2, 1x PCIe Gen3 x2 & SATA3 M.2)
M.2 SpeedPCIe Gen3 x4 up to 32Gb/s, SATA3 up to 6Gb/s
SATA Ports4x SATA3 (6Gbps)
USB 3.2 Gen21x Type-A, 1x Type-C (10Gbps)
USB 3.2 Gen11 port
USB 2.02 onboard headers
Ethernet1x Realtek RTL8111H (1Gbps)
Audio7.1 CH HD Audio, Realtek ALC892/897 codec
RGB Headers3-pin 5V ARGB, 4-pin 12V RGB
Power Phase Design10-phase digital PWM (Digi Power)
Power ChokesPremium 42A power chokes
PCB2oz copper PCB
Multi-GPU SupportAMD Quad CrossFireX
SLI SupportNo
RAID SupportYes
Graphics OutputHDMI, DVI-D, D-Sub
Wireless ConnectivityNone
ECC Memory SupportNo
Release DateApril 2022
ColorBlack