UK manufacturer specification · B850 MAX GAMING WIFI
B850 MAX GAMING WIFI motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsUK manufacturer specification · B850 MAX GAMING WIFI-CSM
B850 MAX GAMING WIFI-CSM motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.
Specifications checked 17 Oct 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Missing information stays separate.
No verified changes in the shared fields shown here. This does not establish that the products are equivalent.
13 shared fields have the same recorded value.
| Specification | ASUS B850 MAX GAMING WIFI | ASUS B850 MAX GAMING WIFI-CSM |
|---|---|---|
CPU socket SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | AM5 | AM5 |
Chipset SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | AMD B850 Chipset | AMD B850 Chipset |
Form factor and dimensions SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) | ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm ) |
CPU support and BIOS requirements SourcesASUS B850 MAX GAMING WIFI Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification · Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor. ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* Supports up to AMD 170W CPU * Refer to https://www.asus.com/support/download-center/ for CPU support list. BIOS: 32MB (256Mb) Flash ROM, UEFI AMI BIOS | AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* Supports up to AMD 170W CPU * Refer to https://www.asus.com/support/download-center/ for CPU support list. BIOS: 32MB (256Mb) Flash ROM, UEFI AMI BIOS |
Listed operating systems SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | Windows 11, Windows 10 64-bit | Windows 11, Windows 10 64-bit |
Memory type, slots and limit SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | 4 x DIMM slots, max. 256GB, DDR5 ECC and Non-ECC Un-buffered DIMM* Supports up to 8400+MT/s(OC)**/8200+MT/s(OC)*** with Ryzen™ 9000 Series Processors, 9000+MT/s(OC)**/8600+MT/s(OC)*** with Ryzen™ 8000 Series Processors, 8000+MT/s(OC)**/8000+MT/s(OC)*** with Ryzen™ 7000 Series Processors, Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO™) ASUS Enhanced Memory Profile (AEMP) * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market. ** Max Manual Overclocking: Achievable with advanced BIOS configuration and potentially specialized hardware. Passed AIDA64 memory benchmark at this frequency, verifying read/write bandwidth. Results may vary according to system components. *** XMP/EXPO/AEMP Profiles: Rated memory module speeds require setting the BIOS performance profile. Results may vary according to system components and can be impacted when four DIMM slots are used. For XMP/EXPO/AEMP profile settings, please visit https://www.asus.com/support/faq/1042256/. | 4 x DIMM slots, max. 256GB, DDR5 ECC and Non-ECC Un-buffered DIMM* Supports up to 8400+MT/s(OC)**/8200+MT/s(OC)*** with Ryzen™ 9000 Series Processors, 9000+MT/s(OC)**/8600+MT/s(OC)*** with Ryzen™ 8000 Series Processors, 8000+MT/s(OC)**/8000+MT/s(OC)*** with Ryzen™ 7000 Series Processors, Dual channel memory architecture Supports AMD Extended Profiles for Overclocking (EXPO™) ASUS Enhanced Memory Profile (AEMP) * Non-ECC, un-buffered DDR5 memory supports On-Die ECC function. * Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market. ** Max Manual Overclocking: Achievable with advanced BIOS configuration and potentially specialized hardware. Passed AIDA64 memory benchmark at this frequency, verifying read/write bandwidth. Results may vary according to system components. *** XMP/EXPO/AEMP Profiles: Rated memory module speeds require setting the BIOS performance profile. Results may vary according to system components and can be impacted when four DIMM slots are used. For XMP/EXPO/AEMP profile settings, please visit https://www.asus.com/support/faq/1042256/. |
Storage interfaces and restrictions SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) 4 x SATA 6Gb/s ports** * Specifications vary by CPU types. ** PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. SATA6G_1/2 will be disabled when either PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. | Total supports 3 x M.2 slots and 4 x SATA 6Gb/s ports AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode) 4 x SATA 6Gb/s ports** * Specifications vary by CPU types. ** PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. SATA6G_1/2 will be disabled when either PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. |
Expansion slots and restrictions SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 5.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B850 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 3.0 x16 slots (support x1 mode)*** * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types. *** PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. SATA6G_1/2 will be disabled when either PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals. | AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 5.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B850 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 3.0 x16 slots (support x1 mode)*** * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types. *** PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. SATA6G_1/2 will be disabled when either PCIEX16(G3)_1 or PCIEX16(G3)_2 runs. - To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals. |
USB ports and headers SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | Rear USB (Total 8 ports) 4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 9 ports) 1 x USB 5Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports * USB Type-C® output (USB Type-C Current): max. 5V/3A. | Rear USB (Total 8 ports) 4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 9 ports) 1 x USB 5Gbps connector (supports USB Type-C®) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports * USB Type-C® output (USB Type-C Current): max. 5V/3A. |
Rear-panel ports SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | 4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI™ port 1 x Wi-Fi module 1 x Realtek® 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ button | 4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 5Gbps ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI™ port 1 x Wi-Fi module 1 x Realtek® 2.5Gb Ethernet port 3 x Audio jacks 1 x BIOS FlashBack™ button |
Audio interfaces SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | Realtek® 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. | Realtek® 7.1 Surround Sound High Definition Audio CODEC* - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layers * A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
Network interfaces and requirements SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | 1 x Realtek® 2.5Gb Ethernet ASUS LANGuard; Wi-Fi 6E 2x2 Wi-Fi 6E (802.11ax) Supports 2.4/5/6GHz frequency band* Bluetooth® v5.4 (supports LE Audio)** * WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later. ** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications. | 1 x Realtek® 2.5Gb Ethernet ASUS LANGuard; Wi-Fi 6E 2x2 Wi-Fi 6E (802.11ax) Supports 2.4/5/6GHz frequency band* Bluetooth® v5.4 (supports LE Audio)** * WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later. ** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications. |
Internal headers and connectors SourcesASUS B850 MAX GAMING WIFI Manufacturer specification ASUS B850 MAX GAMING WIFI — official UK technical specificationsASUS B850 MAX GAMING WIFI-CSM Manufacturer specification ASUS B850 MAX GAMING WIFI-CSM — official UK technical specifications | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector 1 x 4-pin +12V CPU Power connector Storage Related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 5Gbps connector (supports USB Type-C® ) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports Miscellaneous 3 x Addressable RGB Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System header 1 x Thunderbolt™ (USB4®) header | Fan and Cooling Related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 4 x 4-pin Chassis Fan headers Power Related 1 x 24-pin Main Power connector 1 x 8-pin +12V CPU Power connector 1 x 4-pin +12V CPU Power connector Storage Related 3 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 5Gbps connector (supports USB Type-C® ) 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports 3 x USB 2.0 headers support 6 additional USB 2.0 ports Miscellaneous 3 x Addressable RGB Gen 2 headers 1 x Clear CMOS header 1 x Chassis Intrusion header 1 x COM Port header 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin Front Panel System header 1 x Thunderbolt™ (USB4®) header |
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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
