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Basic Information | ||
Supported CPU | Supports AMD Ryzen 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
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Chipset | AMD B850 |
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Form Factor | mATX 243.84mmx243.84mm |
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Memory | ||
Number of Memory Slots | 4x DDR5 UDIMM | |
Channel Supported | Supports Dual-Channel mode |
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Maximum Memory | 256GB |
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Supported Memory | Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s |
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Graphics | ||
Graphics | 1x HDMI | |
Max Shared Memory | Support HDMITM 2.1, maximum resolution of 4K 60Hz* 1x DisplayPort Support DisplayPort 1.4, maximum resolution of 4K 60Hz* |
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Expansion Slots | ||
Expansion Slots | 2x PCI-E x16 slot 1x PCI-E x1 slot PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) PCI_E1 slot Supports PCIe 5.0 x16 (For Ryzen 9000/ 7000 Series processors) Supports PCIe 4.0 x8 (For Ryzen 8700/ 8600/ 8400 Series processors) Supports PCIe 4.0 x4 (For Ryzen 8500/ 8300 Series processor) |
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Storage | ||
Supported Storage | 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G M2_1 slot Supports up to PCIe 5.0 x4 (For Ryzen 9000/ 7000 Series processors) Supports up to PCIe 4.0 x4 (For Ryzen 8000 Series processors) M2_2 slot Supports up to PCIe 4.0 x4 Supports up to PCIe 4.0 x2 (For Ryzen 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions. |
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Network | ||
LAN | Realtek 8126VB 5G LAN |
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Wireless | Wi-Fi 7 | |
Audio | ||
Audio | 1x Front Audio (JAUD) |
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BIOS | ||
BIOS | Flash BIOS Button |
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Ports & Connectors | ||
HDMI | 1x HDMI Support HDMITM 2.1, maximum resolution of 4K 60Hz |
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USB Ports | 4x USB 2.0 (Front) 3x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 3x USB 10Gbps Type A (Rear) 2x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front) |
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Display Port | 1x DisplayPort Support DisplayPort 1.4, maximum resolution of 4K 60Hz |
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Audio | Realtek ALC897 7.1-Channel High Definition Audio |
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RAID | Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
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TPM (Trusted Platform Module ) | 1x TPM pin header(Support TPM 2.0) | |
Internal I/O Ports | 1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 3x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports |
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Others | ||
Wireless Communication module | The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (160MHz) up to 2.9Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax/ be |
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Special feature | 4x EZ Debug LED 1x EZ Memory Detection LED |
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Warranty | ||
Warranty | 3 Years |
The MSI PRO B850M-A WIFI AMD B850 Chipset AM5 mATX Motherboard is based on the AMD B850 chipset and AM5 socket, and it supports Ryzen 9000, 8000, and 7000 series desktop processors, providing dependable performance for gaming, productivity, and everyday computing. The MSI PRO B850M-A WIFI Motherboard boasts future-proof features, beginning with support for high-speed DDR5 memory. With four UDIMM slots and a maximum size of 256GB, users can achieve memory rates of up to 8200+ MT/s in certain configurations. This board has two M.2 slots, one of which supports PCIe 5.0 x4 for extremely fast NVMe SSDs. The second M.2 slot supports PCIe 4.0 x4, and four SATA 6G connectors provide additional options for traditional storage. RAID support for both SATA and M.2 provides data redundancy and performance tweaking. With PCIe 5.0 and PCIe 4.0 x16 slots, the MSI PRO B850M-A WIFI motherboard is suitable with current GPUs and high-speed devices. Built-in graphics connectors include HDMI 2.1 and DisplayPort 1.4, which can enable up to 4K at 60Hz when used with suitable processors. The network is top-tier, with Realtek 5G LAN for ultra-fast cable connections and Wi-Fi 7 with Bluetooth 5.4 for cutting-edge wireless performance. The back I/O has a wide variety of USB ports, including multiple 10Gbps Type A and Type C options. The MSI PRO B850M-A WIFI AMD B850 Chipset AM5 mATX Motherboard is designed in a micro-ATX form factor and provides high-end performance in a tiny footprint. It comes with a 3-year manufacturer's warranty.
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