Home › Product Specifications › Motherboards › ASRock

ASRock B550 Rock WiFi

B550 · AM4 · ATX
ASRock B550 Rock WiFi product image

General

ChipsetB550
SocketAM4
Form FactorATX
Supported CPU FamiliesRyzen 3000, Ryzen 4000G, Ryzen 5000, Ryzen 5000G

Highlights

Memory4× DDR4 · max 128 GB · 4533 MT/s
M.2 Slots3×
GPU Slots2× x16 · PCIe 4.0
Fastest USBUSB 5 Gbps
NetworkLAN 2.5 Gbps · Wi-Fi 6E · Bluetooth 5.3
Power Stages8+2 phases

Manufacturer Links

BIOS downloads ↗CPU support list ↗Driver downloads ↗Memory QVL ↗
Is this part compatible with your build?Analyze part compatibility together with PC Analysis.
Analyze in PC Builder

Memory

Memory TypeDDR4
Max RAM Speed4533 MT/s
Max RAM128 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportYes

Expansion and Storage

PCIe Version4.0
PCIe x16 Slots2
PCIe x1 Slots0
PCIe Slot Modes
1× PCIe 4.0 x16
1× PCIe 3.0 x16 · electrical: x2
M.2 Slots
M.2_1: PCIe 4.0 x4
M.2_2: PCIe 3.0 x4 · SATA supported
M.2_3: PCIe 3.0 x2 · SATA supported
SATA Ports4
Highest USBUSB 5 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout8+2
CPU Phases8
SoC Phases2
MOSFET8x

Connectivity and Audio

Audio CodecRealtek ALC897
LAN ChipRealtek RTL8125BG (2.5Gb/s)
WirelessWi-Fi 6E · Bluetooth 5.3
Rear I/O
3× USB 2.0 Type-A
4× USB 5Gbps Type-A
1× USB 5Gbps Type-C
1× HDMI
1× 2.5 Gbps LAN
2× Wi-Fi antenna connector
3× Audio jacks (3.5 mm)
Front Panel Headers
6× USB 2.0
1× USB-C 5Gbps
HD Audio (front audio)
Case Fan Headers6× 4-pin PWM fan
RGB Header
3× ARGB (5V 3-pin)
1× RGB (12V 4-pin)
TPM HeaderYes
BIOS Chip32 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
Diagnostic LED (LED indicators)
White Build-compatible (PCB primarily black)
1x M.2 passive heatsink