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Micro-ATX motherboard, dark PCB, silver heatsinks, rear I/O visible

ASRock

ASRock B850M Rock WiFi AMD motherboard

SKU CH-FG6V-62FHE MPN B850M Rock WiFi

Micro-ATX board for AM5 Ryzen CPUs with dual DDR5 slots up to 8200, one PCIe 5.0 x16 slot, two M.2 sockets, 2.5 Gb LAN, Wi-Fi and Bluetooth

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots2x288pin (DDR5)
  • Memory StandardDDR5 8200
  • Maximum Memory Supported128GB
  • Channel SupportedDual Channel
  • Supports Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • Dual-channel DDR5 memory up to 8200 MT/s across two 288-pin slots
  • PCIe 5.0 x16 slot for high-bandwidth graphics cards
  • Two M.2 sockets supporting PCIe 5.0 x4 and 4.0 x4 storage
  • 5 Gbps LAN plus Wi-Fi and Bluetooth connectivity

Micro-ATX AM5 Board with DDR5 8200 Support

The ASRock B850M Rock WiFi is a Micro-ATX motherboard built for AMD Socket AM5 processors. It supports Ryzen 9000, 8000 and 7000 series CPUs with a 6+1+1 Dr.MOS power phase design. Two DDR5 slots handle up to 128GB at 8200 MT/s with EXPO or XMP profiles.

Best for Compact Builds Needing PCIe 5.0 Storage

This board suits builders who want a smaller case without losing a PCIe 5.0 x4 M.2 slot or a PCIe 5.0 x16 graphics slot. It also provides 2.5GbE LAN, Wi-Fi, Bluetooth and 7.1 audio. Users needing four DIMM slots, more PCIe 4.0 x4 M.2 sockets or additional USB 3.2 Gen 2 ports should look at full-size ATX alternatives.

Deciding Factor: Two DDR5 Slots Max 128GB at 8200

The memory subsystem is the key constraint. Only two 288-pin slots are available, limiting total capacity to 128GB in dual-channel mode. If your workload demands four modules or higher aggregate bandwidth, this board will not fit; otherwise the PCIe 5.0 M.2 and x16 slots deliver current-generation speed in a compact layout.

Helstu kostir

  • Supports Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • Dual-channel DDR5 memory up to 8200 MT/s across two 288-pin slots
  • PCIe 5.0 x16 slot for high-bandwidth graphics cards
  • Two M.2 sockets supporting PCIe 5.0 x4 and 4.0 x4 storage
  • 5 Gbps LAN plus Wi-Fi and Bluetooth connectivity

Tæknilýsing

BrandASRock
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots2x288pin (DDR5)
Memory StandardDDR5 8200
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP / AMD EXPO
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCI Express 5.0 x16
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
Other Slots1 x M.2 Socket (Key E)
Serial ATA (SATA)4 x SATA 6Gb/s
M.22 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
SATA RAID0/1/10
Onboard Video ChipsetAMD RDNA
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek RTL8125BG
Max LAN Speed2.5Gbps
BluetoothYes
Back I/O Ports2 x Antenna Ports, 1 x HDMI, 1 x DisplayPort 1.4, 4 x USB 3.2 Gen1, 2 x USB 2.0, 1 x RJ-45 LAN, 1 x BIOS Flashback Button, 3 x HD Audio Jacks
S-VideoNo
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
Audio Ports3 Ports
Onboard USB3 x USB 3.2 + 5 x USB 2.0
Form FactorMicro ATX
LED LightingRGB
Dimensions (W x L)9.6" x 8.9"
Power Pin24 Pin
Sendingarþyngd1.18 kg
Stærð sendingar300 × 267 × 56 mm

Spurningar um þessa vöru

How loud or hot does the B850M Rock WiFi get with its 6+1+1 Dr.MOS power phases under sustained load?

The 6+1+1 Dr.MOS design delivers efficient power to the CPU, keeping VRM temperatures lower and fan speeds quieter during all-day workloads.

Which DDR5 memory kit do I need to reach the 8200 MT/s EXPO speed on the two 288-pin slots?

Install a two-module DDR5 EXPO kit rated for 8200 MT/s or higher; the board runs dual-channel up to 128 GB total capacity.

Will my existing PCIe 4.0 graphics card and SATA SSDs work in the PCIe 5.0 x16 and four SATA 6 Gb/s ports?

Yes, the PCIe 5.0 x16 slot is backward compatible with PCIe 4.0 cards, and all four SATA ports accept standard SATA drives.

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