Дънна платка ASROCK B850M PRO-A

B850M Pro-A

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)

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*