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Spremljani izdelki Prijava
Rectangular green circuit board, silver CPU socket, four black memory slots, multiple silver expansion slots, rear I/O shield with

ASRock

ASRock B850M Pro-A AMD motherboard AM5 Micro ATX

SKU CH-ZVFQ-NSE2F MPN B850M Pro-A

Micro-ATX AM5 board with four DDR5 slots up to 256 GB, one PCIe 5.0 x16, one PCIe 4.0 x4, one Gen5 M.2 and two Gen4 M.2 slots, four SATA 6 Gb/s, 7.1-channel audio and Dragon RTL8125BG LAN

  • 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 B850M Pro-A

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  • Supports Ryzen 9000, 8000 and 7000 series processors on AM5 socket
  • 8+2+1 phase Dr.MOS power design delivers stable CPU current
  • Four DDR5 slots enable up to 256 GB dual-channel memory
  • One PCIe 5.0 x16 and one PCIe 4.0 x4 expansion slots
  • One Gen5 M.2 and two Gen4 M.2 sockets plus four SATA ports

AM5 Micro ATX for Ryzen 7000 to 9000

The ASRock B850M Pro-A is a Micro ATX motherboard built on the AMD B850 chipset for socket AM5 processors. It accepts Ryzen 7000, 8000 and 9000 series CPUs and provides four DDR5 DIMM slots with dual-channel support up to 256 GB. An 8+2+1 phase Dr.MOS power design and a six-layer PCB deliver stable voltage regulation for daily workloads and moderate overclocking.

Suits compact builds needing PCIe 5.0 graphics and

This board fits users who want a smaller chassis without sacrificing a full-length PCIe 5.0 x16 slot or a CPU-attached M.2 socket running at Gen5x4 speeds. It also offers two chipset Gen4x4 M.2 slots, four SATA 6 Gb/s ports and 7.1-channel Realtek ALC897 audio. Builders requiring more than two M.2 drives directly from the CPU or additional PCIe expansion slots should consider larger ATX models.

Single CPU-attached PCIe 5.0 M.2 socket at 128 Gb/s

The primary M.2 socket (M2_1) connects directly to the Ryzen CPU and operates at PCIe 5.0 x4, providing up to 128 Gb/s bandwidth for a 2280 NVMe drive. The two chipset M.2 sockets run at PCIe 4.0 x4 (64 Gb/s each). This topology decides whether your fastest system drive gets the full Gen5 link or must share the chipset pool.

Poudarki

  • Supports Ryzen 9000, 8000 and 7000 series processors on AM5 socket
  • 8+2+1 phase Dr.MOS power design delivers stable CPU current
  • Four DDR5 slots enable up to 256 GB dual-channel memory
  • One PCIe 5.0 x16 and one PCIe 4.0 x4 expansion slots
  • One Gen5 M.2 and two Gen4 M.2 sockets plus four SATA ports

Specifikacije

BrandASRock
ModelB850M Pro-A
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 x4 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*
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*
* 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 proc
SATA RAIDSupports 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
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetDragon RTL8125BG
Max LAN Speed2.5Gbps
Back I/O Ports2 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
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 Gen1 Header
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)***
3 x Chassis Fan Connectors (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 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.
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Power Pin1 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)
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
- 8+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC
Ultrafast Connectivity
- 2.5G LAN
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer
EZ Troubleshooter
- ASRock Post Status Checker
Package Contents1 x I/O Shield
2 x SATA Data Cables
1 x Screw for M.2 Socket
Teža pošiljke1.20 kg
Velikost pošiljke305 × 267 × 64 mm

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Vprašanja o tem izdelku

How much DDR5 memory can the board address in total?

The four DIMM slots support up to 256 GB of DDR5 running in dual-channel mode.

What power-phase layout does the VRM use for sustained loads?

An 8+2+1 Dr.MOS design feeds the CPU cores, SoC and miscellaneous rails through a 6-layer PCB.

Which processor socket must the buyer already have to install this board?

The board requires an AM5-socket Ryzen 7000, 8000 or 9000 series CPU.

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