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ATX motherboard with black printed circuit board, silver heatsinks, and rear I/O panel

ASRock

ASRock B850 Pro RS WiFi AMD motherboard

SKU CH-07KV-3R3G6 MPN B850 Pro RS WiFi

ATX AM5 board with 14+2+1 phase 80A Dr.MOS, four DDR5 slots to 8000+ OC, 256 GB max, one PCIe 5.0 x16, one PCIe 4.0 x16, 128 Gb/s M.2, 64 Gb/s M.2, four SATA, 10 GbE LAN and Wi-Fi

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8000+(OC)
  • Maximum Memory Supported256GB

Option B850 Pro RS WiFi

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

  • Ready for Ryzen 7000, 8000 and 9000 CPUs on AM5 socket
  • 14+2+1 phase VRM with 80 A Dr.MOS for stable power delivery
  • Four DDR5 slots support up to 256 GB at 8000+ MT/s OC
  • One PCIe 5.0 x16 slot plus three PCIe 4.0 M.2 slots
  • Realtek ALC897 7.1-channel audio with Nahimic enhancement

Socket AM5 platform

The ASRock B850 Pro RS WiFi motherboard uses the AMD B850 chipset on an ATX form factor. It accepts Ryzen 7000, 8000 and 9000 series processors in the AM5 socket. Four DDR5 slots support up to 256 GB of memory at speeds up to 8000+(OC) with AMD EXPO and Intel XMP 3.0 profiles. The board is aimed at builders who want a stable foundation for daily computing and gaming.

Sustained load behaviour

A 14+2+1 phase power design uses 80 A Dr.MOS devices to supply the CPU VCore, SOC and miscellaneous rails. Hi-Density power connectors handle the higher current demanded by heavy overclocking. The VRM layout is built for smooth delivery and lower temperatures during extended sessions rather than brief bursts. Dragon RTL8125BG LAN and Realtek ALC897 7.1 channel audio with Nahimic complete the core I/O.

Upgrade context

The board adds a PCIe 5.0 x16 slot running at Gen5 x16 with 9000 and 7000 series CPUs, plus a PCIe 4.0 x16 slot at x4 mode. Storage includes one Blazing M.2 socket at PCIe Gen5 x4, two Hyper M.2 sockets at PCIe Gen4 x4 and one Ultra M.2 at PCIe Gen3 x4, alongside four SATA 6 Gb/s ports. USB provision covers Gen2x2 Type-C front, Gen2 Type-C rear, Gen1 Type-C rear, eight Gen1 ports and ten USB 2.0 ports. Moving from an older AM4 or entry AM5 board makes sense when Gen5 graphics or Gen5 NVMe bandwidth are required.

Points forts

  • Ready for Ryzen 7000, 8000 and 9000 CPUs on AM5 socket
  • 14+2+1 phase VRM with 80 A Dr.MOS for stable power delivery
  • Four DDR5 slots support up to 256 GB at 8000+ MT/s OC
  • One PCIe 5.0 x16 slot plus three PCIe 4.0 M.2 slots
  • Realtek ALC897 7.1-channel audio with Nahimic enhancement

Caractéristiques

BrandASRock
ModelB850 PRO RS WIFI
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8000+(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO / Intel XMP 3.0
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
* PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
* If M2_3 is occupied, PCIE2 will be disabled.
* Supports NVMe SSD as boot disks
- 15µ Gold Contact in VGA PCIe Slot (PCIE1)
PCI Express 4.0 x161 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*
Serial ATA (SATA)4 x SATA 6Gb/s
M.2CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4
(64 Gb/s) mode*
- 1 x Ultra M.2 Socket (M2_4, Key M), supports type 2280 PCIe Gen3x4 (32 Gb/s) mode*
* Supports NVMe SSD as boot disks
* M2_1 is the first priority for M.2 installation.
* M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
* M2
SATA RAIDSupports RAID 0 and RAID 1 for SATA storage devices
Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetDragon RTL8125BG
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 ax
BluetoothBluetooth 5.2
Back I/O Ports2 x Antenna Ports
1 x HDMI Port
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
1 x USB 3.2 Gen1 Type-C Port (DP-alt mode supports DP1.4a)
4 x USB 3.2 Gen1 Type-A Ports
6 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
HD Audio Jacks: Line in / Front Speaker / Microphone
Onboard USB2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
Other Connectors1 x SPI TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
3 x Addressable LED Headers**
2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel Audio Connector
* Supports in total up to 12V/3A, 36W LED Strip
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
*** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W).
*** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can aut
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24 pin ATX Power Connector
2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
BIOS Feature256Mb AMI UEFI Legal BIOS with GUI support
SoftwareSoftware
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC
* These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
Windows 11Windows OS 10 64-bit / 11 64-bit
FeaturesSuperb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
Rock-Solid Durability
- 14+2+1 Power Phase, 80A Dr.MOS for VCore+SOC+MISC with Enlarged
Heatsink Armor
- Flexible Integrated I/O Shield
Ultrafast Connectivity
- 2.5G LAN, 802.11axe Wi-Fi 6E Module
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker
Package Contents2 x SATA Data Cables
2 x ASRock WiFi 2.4/5/6 GHz Antennas
Poids d’expédition1.81 kg
Dimensions du colis368 × 292 × 76 mm

Autres versions de ce modèle

5 de plus dans cette gamme

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

Questions sur cet article

How much power does the 14+2+1 phase VRM with 80A Dr.MOS draw when the system runs all day?

The 14+2+1 phase design with 80A Dr.MOS delivers efficient power to the CPU, reducing heat during sustained loads.

Which DDR5 memory kit must I already own to reach the 8000+(OC) speed on the four 288-pin slots?

A DDR5 kit rated for 8000+(OC) with AMD EXPO or Intel XMP 3.0 profiles is required to hit the maximum memory speed.

Will my existing SATA SSDs and PCIe 4.0 M.2 drives work with the four SATA 6Gb/s ports and the three Hyper M.2 slots?

Yes, the four SATA 6Gb/s ports and three Hyper M.2 sockets support SATA SSDs and PCIe 4.0 x4 NVMe drives respectively.

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