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Green rectangular micro-ATX board with black heatsinks, silver sockets and a silver I/O shield

ASRock

ASRock B550M WiFi AMD motherboard

SKU CH-D3DX-PDR5R MPN B550M WiFi

Micro-ATX AM4 board with Wi-Fi 6E, Bluetooth 5.2, PCIe 4.0 x16, DDR4 up to 4733 MHz OC and 128 GB capacity

  • CPU Socket TypeAM4
  • CPU TypeRyzen 3000 Series, Ryzen 3000 G-Series, Ryzen 4000 G-Series,
  • ChipsetAMD B550
  • South BridgeAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 3200

Option B550M WiFi

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Supports Ryzen 5000 and 3000 series on AM4 socket
  • DDR4 memory scales to 4733 MHz overclocked for high speed
  • PCIe 4.0 x16 slot plus Hyper M.2 Gen4x4 for fast graphics and storage
  • Wi-Fi 6E with Bluetooth 5.2 and Realtek Gigabit LAN for low-latency networking
  • Realtek ALC1220 7.1 audio with Nahimic and Polychrome RGB headers for immersive sound and lighting

Compact AM4 platform for Ryzen 5000

The board uses the AMD B550 chipset on a Micro ATX PCB with an 8-phase power design and 2oz copper. It accepts Ryzen 3000, 4000 G-Series and 5000 series processors in the AM4 socket. Four DDR4 slots support up to 128GB in dual-channel mode.

Home builders needing Wi-Fi 6E and PCIe 4.0

Integrated Wi-Fi 6E with Bluetooth 5.2 and a Realtek 1GbE port cover wireless and wired networking. One PCIe 4.0 x16 slot and a Hyper M.2 Gen4x4 socket give modern GPU and SSD bandwidth. Builders who need more than two full-size PCIe slots should choose a full ATX board.

PCIe 4.0 x16 and Gen4 M.2 decide fit

The single PCIe 4.0 x16 slot and one M.2 socket running at PCIe 4.0 x4 set the expansion ceiling. If the build requires a second PCIe 4.0 x16 link or multiple Gen4 M.2 drives, this board will not match.

Points forts

  • Supports Ryzen 5000 and 3000 series on AM4 socket
  • DDR4 memory scales to 4733 MHz overclocked for high speed
  • PCIe 4.0 x16 slot plus Hyper M.2 Gen4x4 for fast graphics and storage
  • Wi-Fi 6E with Bluetooth 5.2 and Realtek Gigabit LAN for low-latency networking
  • Realtek ALC1220 7.1 audio with Nahimic and Polychrome RGB headers for immersive sound and lighting

Caractéristiques

BrandASRock
SeriesB550
CPU Socket TypeAM4
CPU TypeRyzen 3000 Series, Ryzen 3000 G-Series, Ryzen 4000 G-Series, Ryzen 5000 Series, Ryzen 5000 G-Series
ChipsetAMD B550
South BridgeAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 3200
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x162 x PCI Express x16
PCI Express x41 x PCI Express x4
PCI Express x11 x PCI Express x1
Other Slots1 x M.2 Socket (Key E)
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 (Support PCIe 4.0 x4)
SATA RAID0/1/10
Onboard Video ChipsetAMD Radeon Vega Series
Audio ChipsetRealtek ALC1220
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8111H
Max LAN Speed1Gbps
Wireless LANWiFi IEEE 802.11 a / b / g / n / ac / ax / axe
BluetoothYes
PS/21 x PS/2 keyboard/mouse port
COM1
Video PortsHDMI + Display Port
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 3.18 x USB 3.1
USB 3.08 x USB 3.0
USB 1.1/2.06 x USB 3.0 + 6 x USB 2.0
Audio Ports3 Ports
Onboard USB4 x USB 3.2 + 4 x USB 2.0
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 9.6"
Power Pin24 Pin
Windows 11Supported
Poids d’expédition1.23 kg
Dimensions du colis295 × 157 × 56 mm

Autres versions de ce modèle

4 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

What case and power connectors does the Micro ATX board need to fit and mount?

The board uses a standard Micro ATX form factor with a 24-pin ATX power connector, an 8-pin CPU power connector, and standard front-panel headers for power, reset and LEDs.

How is the Wi-Fi 6E module installed and what step is often missed?

The Wi-Fi 6E and Bluetooth 5.2 module is pre-installed in the Key E M.2 socket; the step often missed is attaching the two external antenna cables to the gold connectors before securing the rear I/O shield.

What maintenance or replacement will the Realtek ALC1220 audio codec need later?

The Realtek ALC1220 7.1-channel HD audio codec is soldered to the board and requires no routine maintenance or user replacement.

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