ASRock MB Sc AM5 B850M PRO RS, AMD B850, 4xDDR5, 1xDP, 1xHDMI, mATX
ASRock MB Sc AM5 B850M PRO RS, AMD B850, 4xDDR5, 1xDP, 1xHDMI, mATX
ASRock B850M Pro RS
Modern and futuristic, with the attractive specifications and perfect balance, the Race Sport (RS) Edition is the evolution of the most popular PRO series motherboard.
Unique Feature
Superb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
Rock-Solid Durability
- 8+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC
- Pre-Installed I/O Shield
Ultrafast Connectivity
- 2.5G LAN
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker
CPU
- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*
* The availability of expansion slots may vary by CPU. Please refer to PCIe/M.2 Bandwidth Table for details.
Chipset
- AMD B850
Memory
- Dual Channel DDR5 Memory Technology
- 4 x DDR5 DIMM Slots
- Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)
- Max. capacity of system memory: 256GB
- Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules
BIOS
- 256Mb AMI UEFI Legal BIOS with GUI support
Graphics
Integrated AMD RDNA™ graphics (Actual support may vary by CPU)
- 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
- 1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz
Audio
- 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
- Nahimic Audio
LAN
- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- Dragon RTL8125BG
- Supports Dragon 2.5G LAN Software
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and Streaming Modes
- User Customized Priority Control
Slots
CPU:
- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
- 1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 mode*
Chipset:
- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
- 15µ Gold Contact in VGA PCIe Slot (PCIE1)
* 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
Storage
CPU:
- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
Chipset:
- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*
- 4 x SATA3 6.0 Gb/s Connectors
*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_3 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
If M2_3 is occupied, PCIE2 will be disabled.
RAID
- Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
- Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*
* Requires additional M.2 NVMe expansion cards to support RAID 10
USB
CPU:
- 1 x USB 3.2 Gen2 Type-C (Rear)
- 1 x USB 3.2 Gen2 Type-A (Rear) Chipset:
- 1 x USB 3.2 Gen1 Type-C (Front)
- 6 x USB 3.2 Gen1 Type-A (2 Rear, 4 Front)
- 8 x USB 2.0 (4 Rear, 4 Front)
* All USB ports support ESD Protection
Connector
- 1 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)***
- 3 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 1 x 24 pin ATX Power Connector
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector
- 2 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 Gen1 Header
* 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 and CHA_FAN1~3 support the fan power up to 3A (36W).
CPU_FAN2 and CHA_FAN1~3 can auto detect if 3-pin or 4-pin fan is in use.
Rear Panel I/O
- 2 x Antenna Mounting Points
- 1 x HDMI Port
- 1 x DisplayPort 1.4
- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)
- 1 x USB 3.2 Gen2 Type-C Port
- 2 x USB 3.2 Gen1 Ports
- 4 x USB 2.0 Ports
- 1 x RJ-45 LAN Port
- 1 x BIOS Flashback Button
- HD Audio Jacks: Line in / Front Speaker / Microphone
Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC*
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
*These utilities can be downloaded from ASRock Live Update & APP Shop.
Accessories
- 2 x SATA Data Cables
- 1 x Screw for M.2 Socket
Form Factor
- Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm
OS
- Microsoft Windows® 10 64-bit / 11 64-bit
Certifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
