Description

PRO B850-S EVO WIFI: Business Elegance Designed for efficient and stable performance on the AMD B850 chipset (Ryzen 9000 / 8000 / 7000 supported, AM5), the MSI PRO B850-S EVO WIFI motherboard includes premium GPU support with a PCIe 5.0 x16 slot, improved DDR5 memory support (up to 8200+ MT/s OC), and extensive M.2 Gen5 storage options (with M.2 Shield Frozr). To ensure stable power delivery to the latest Ryzen 9000 processors, the PRO B850-S EVO WIFI is equipped with a 12 Duet Rail Power System (P-PAK) VRM for the CPU and 8+4-pin CPU power connectors, augmented with multiple passive cooling features. MSI B850 PRO motherboards feature durable server-grade PCBs with 2oz of thickened copper and all-new Surface Mount Technology (SMT) solder welding for improved signal clarity. Connectivity includes the latest Wi-Fi 7 and Bluetooth 5.4 technology, Realtek 5G LAN, USB 10Gbps Type-C, 4K/60Hz display support, and 7.1 HD audio. For professionals looking for efficient AMD Ryzen 9000 / 8000 / 7000 platform that unites PCIe 5.0 x16 graphics card architecture, improved DDR5 support, and M.2 Gen5 storage options into one elegant design, the MSI PRO B850-S EVO WIFI epitomizes business elegance.

Specification

Chipset	AMD B850
CPU	Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: • 1DPC 1R Max speed up to 8200+ MT/s • 1DPC 2R Max speed up to 6400+ MT/s • 2DPC 1R Max speed up to 6400+ MT/s • 2DPC 2R Max speed up to 6000+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only* * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. • The DIMM slots on this motherboard have single-sided latches. • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
Onboard Graphics	1x HDMI™ Support HDMITM 2.1 with TMDS port, maximum resolution of 4K 60Hz* 1x DisplayPort Support DisplayPort 1.4, maximum resolution of 4K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot	2x PCI-E x16 slot PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 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)
Audio	Realtek® ALC897 7.1-Channel High Definition Audio
Storage	3x 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 22110/2280 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , 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 (For Ryzen™ 9000/ 8700/ 8600/ 8400/ 7000 Series processors) • Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions.
RAID	Supports RAID 0, RAID 1 , RAID 5* and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices *RAID 5 configuration is only supported by Ryzen™ 9000 series processors.
USB	4x USB 2.0 (Rear) 4x USB 2.0 (Front) 2x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 2x USB 10Gbps Type A (Rear) 1x USB 10Gbps Type C (Rear) 1x USB 10Gbps Type C (Front)
LAN	Realtek® 8126VB 5G LAN
Internal IO	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) 4x 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
WIRELESS LAN & BLUETOOTH	Wi-Fi 7 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 Supports Bluetooth® 5.4**, MLO, 4KQAM * 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.
LED FEATURE	4x EZ Debug LED 1x EZ Memory Detection LED
BACK PANEL PORTS	Clear CMOS Button DisplayPort 5G LAN USB 2.0 USB 5Gbps Type-A Wi-Fi / Bluetooth Audio Connectors Flash BIOS Button HDMI™ USB 10Gbps Type-A USB 10Gbps Type-C
OPERATING SYSTEM	Support for Windows® 11 64-bit
BOX CONTENT
PCB Info	ATX 243.84mmx304.8mm