AM5 · ATX · DDR5 · board-only configuration · MSI global specification
An ATX AM5 motherboard with AMD B850: four DDR5 slots rated up to DDR5-8200+ (OC), a PCIe 5.0 x16 graphics slot, three M.2 slots (one PCIe 5.0 x4), Realtek 5 Gb Ethernet and Wi-Fi 7.
Specifications checked 21 Sept 2026.
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Manufacturer specificationsAM5 · ATX · DDR5 · board-only configuration · MSI global specification
An ATX AM5 motherboard with AMD B850: four DDR5 slots rated up to DDR5-8400+ (OC), a PCIe 5.0 x16 graphics slot, four M.2 slots (two PCIe 5.0 x4), Realtek 5 Gb Ethernet and Wi-Fi 7.
Specifications checked 21 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
The overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R and 2DPC 1R up to 6400+ and 2DPC 2R up to 6000+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list.
The overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R, 2DPC 1R and 2DPC 2R up to 6400+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list.
Plan the complete platform. Check the exact CPU-support list, required BIOS and memory validation before buying. PCIe generations and lane allocations can change with the processor. A socket match or slot count is not a guarantee that every component works together at its highest advertised setting.
12 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
The overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R and 2DPC 1R up to 6400+ and 2DPC 2R up to 6000+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsThe overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R, 2DPC 1R and 2DPC 2R up to 6400+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
M2_1 (PCIe 5.0 x4) and M2_2 (PCIe 4.0 x4) connect to the CPU; M2_3 (PCIe 4.0 x2) connects to the chipset. M2_2 accepts drives up to 22110; the others up to 2280. · Manufacturer specification · M2_1 uses PCIe 4.0 with Ryzen 8000 processors. Check the manual for M.2 heatsink restrictions.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsM2_1 and M2_2 connect to the CPU (PCIe 5.0 x4); M2_3 (PCIe 4.0 x2) and M2_4 (PCIe 4.0 x4) connect to the chipset. M2_1 accepts drives up to 22110; the others up to 2280. · Manufacturer specification · With Ryzen 8000, M2_1 runs at PCIe 4.0 x4. M2_2 runs at PCIe 4.0 x2 with Ryzen 8500/8300, or PCIe 4.0 x4 with other Ryzen 8000 CPUs. PCI_E3 runs at x2 when M2_3 is used; selecting PCI_E3 x4 in BIOS disables M2_3.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Onboard M.2 storage positions only. M2_1 uses PCIe 4.0 with Ryzen 8000 processors. M2_3 is an x2 link, not x4. Verify drive and processor compatibility in the exact board documentation. M2_1 accepts 2260/2280 drives, M2_2 accepts 2280/22110, and M2_3 accepts 2260/2280; check heatsink restrictions in the manual.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Onboard M.2 storage positions only. With Ryzen 8000, M2_1 runs at PCIe 4.0 x4. M2_2 runs at PCIe 4.0 x2 with Ryzen 8500/8300, or PCIe 4.0 x4 with other Ryzen 8000 CPUs. PCI_E3 runs at x2 when M2_3 is used; selecting PCI_E3 x4 in BIOS disables M2_3.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
PCI_E1 (PCIe 5.0 x16) uses CPU lanes; PCI_E2 and PCI_E4 (PCIe 3.0 x1) and PCI_E3 (PCIe 4.0 x4) use chipset lanes. · Manufacturer specification · All four slots are x16 length. PCI_E3 drops to x2 when PCI_E2 or PCI_E4 is occupied.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsAll three slots are x16 length. PCI_E1 (PCIe 5.0 x16) uses CPU lanes; PCI_E2 (PCIe 3.0 x1) and PCI_E3 (PCIe 4.0 x4) use chipset lanes. · Manufacturer specification · PCI_E3 drops to x2 with M2_3 populated; selecting PCI_E3 x4 in BIOS disables M2_3. PCI_E1 runs at PCIe 4.0 x8 with Ryzen 8700/8600/8400 and PCIe 4.0 x4 with Ryzen 8500/8300.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Status LEDs, not a numeric POST display or an automatic repair guarantee.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Header counts do not specify electrical current limits.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Board headers, not supplied fans or an assertion of current limits.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Requires integrated CPU graphics; supported modes depend on the processor.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Requires integrated CPU graphics; supported modes depend on processor.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer OC ceilings, not guaranteed stable speed or measured application performance; CPU, BIOS and memory population matter.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Requires compatible drives and array configuration; no data protection guarantee.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Requires compatible case ports and wiring; not rear-panel sockets.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Requires compatible case ports and cabling; not rear sockets.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
MSI B850 GAMING PLUS WIFI — manufacturer specificationsManufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power.
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
MSI B850 GAMING PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Read the simultaneous-use restriction rather than assuming each long connector has x16 lanes.
MSI B850 GAMING PLUS WIFI — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · An installation convenience for removing the graphics card, not a performance feature.
MSI B850 GAMING PLUS WIFI — exact model datasheetNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI lists RAID modes for M.2 NVMe drives only; SATA RAID support is not stated. · Manufacturer specification
MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Installation convenience; no measured SSD temperature or sustained-speed claim.
MSI B850 GAMING PLUS WIFI — exact model datasheetNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
11 shared fields have the same recorded value.
| Specification | MSI B850 GAMING PLUS WIFI | MSI MAG B850 TOMAHAWK MAX WIFI |
|---|---|---|
CPU socket SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Match the exact CPU and required BIOS as well as the physical socket. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | AM5 | AM5 |
Chipset SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | AMD B850 | AMD B850 |
Form factor SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Board dimensions, not retail packaging. Check case mounting positions, clearance and cable routing. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | ATX; 304.8 × 243.84 mm | ATX; 304.8 × 243.84 mm |
CPU support / BIOS source SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | AMD Ryzen 9000 / 8000 / 7000 Series | AMD Ryzen 9000 / 8000 / 7000 Series |
Rear Flash BIOS button SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Button presence only. Recovery procedure and USB preparation require the exact manual. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | Yes | Yes |
Memory type, slots and limitDifferent SourcesMSI B850 GAMING PLUS WIFI The overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R and 2DPC 1R up to 6400+ and 2DPC 2R up to 6000+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI The overclocked speed is MSI's 1DPC 1R maximum with Ryzen 9000; MSI lists 1DPC 2R, 2DPC 1R and 2DPC 2R up to 6400+ MT/s. JEDEC speeds are 4800–5600 MT/s. CUDIMMs run in clock-driver bypass mode only. · Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-8200+ (OC); AMD EXPO; non-ECC unbuffered; CUDIMM support | 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-8400+ (OC); AMD EXPO; non-ECC unbuffered; CUDIMM support |
Maximum listed memory SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Manufacturer capacity ceiling for this exact board, not included memory or a performance measurement. CPU, BIOS, DIMM population and the validated-module list determine support. DDR5 slots require DDR5 modules; DDR4 and DDR5 are not interchangeable. CUDIMM support is bypass mode only; compatibility depends on CPU and BIOS, and some combinations may not boot. Check the exact memory support list. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 256 GB | 256 GB |
DIMM slots SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 | 4 |
Memory population OC limitsDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Manufacturer OC ceilings, not guaranteed stable speed or measured application performance; CPU, BIOS and memory population matter. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Manufacturer OC configurations, not guaranteed kit speed or measured application performance. CPU, BIOS, memory rank and DIMMs per channel determine support. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | Ryzen 9000: 1DPC 1R 8200+; 1DPC 2R 6400+; 2DPC 1R 6400+; 2DPC 2R 6000+ MT/s | Ryzen 9000: 1DPC 1R up to 8400+ MT/s; 1DPC 2R / 2DPC 1R / 2DPC 2R up to 6400+ MT/s |
CUDIMM operating mode SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · CPU-dependent boot support; some combinations may fail to boot. Check CPU/BIOS and validated memory. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · CPU and BIOS dependent; some combinations may fail to boot. This is not full clock-driver operation. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | Clock-driver bypass mode only | Clock-driver bypass mode only |
Storage interfacesDifferent SourcesMSI B850 GAMING PLUS WIFI M2_1 (PCIe 5.0 x4) and M2_2 (PCIe 4.0 x4) connect to the CPU; M2_3 (PCIe 4.0 x2) connects to the chipset. M2_2 accepts drives up to 22110; the others up to 2280. · Manufacturer specification · M2_1 uses PCIe 4.0 with Ryzen 8000 processors. Check the manual for M.2 heatsink restrictions. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI M2_1 and M2_2 connect to the CPU (PCIe 5.0 x4); M2_3 (PCIe 4.0 x2) and M2_4 (PCIe 4.0 x4) connect to the chipset. M2_1 accepts drives up to 22110; the others up to 2280. · Manufacturer specification · With Ryzen 8000, M2_1 runs at PCIe 4.0 x4. M2_2 runs at PCIe 4.0 x2 with Ryzen 8500/8300, or PCIe 4.0 x4 with other Ryzen 8000 CPUs. PCI_E3 runs at x2 when M2_3 is used; selecting PCI_E3 x4 in BIOS disables M2_3. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 1 × M.2 PCIe 5.0 x4; 1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 4.0 x2; 4 × SATA 6 Gb/s | 2 × M.2 PCIe 5.0 x4; 1 × M.2 PCIe 4.0 x4; 1 × M.2 PCIe 4.0 x2; 4 × SATA 6 Gb/s |
Onboard M.2 storage slotsDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Onboard M.2 storage positions only. M2_1 uses PCIe 4.0 with Ryzen 8000 processors. M2_3 is an x2 link, not x4. Verify drive and processor compatibility in the exact board documentation. M2_1 accepts 2260/2280 drives, M2_2 accepts 2280/22110, and M2_3 accepts 2260/2280; check heatsink restrictions in the manual. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Onboard M.2 storage positions only. With Ryzen 8000, M2_1 runs at PCIe 4.0 x4. M2_2 runs at PCIe 4.0 x2 with Ryzen 8500/8300, or PCIe 4.0 x4 with other Ryzen 8000 CPUs. PCI_E3 runs at x2 when M2_3 is used; selecting PCI_E3 x4 in BIOS disables M2_3. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 3 | 4 |
SATA storage ports SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. M2_1 uses PCIe 4.0 with Ryzen 8000 processors. M2_3 is an x2 link, not x4. Verify drive and processor compatibility in the exact board documentation. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · SATA 6 Gb/s connectors, not supplied drives or power cables. With Ryzen 8000, M2_1 runs at PCIe 4.0 x4. M2_2 runs at PCIe 4.0 x2 with Ryzen 8500/8300, or PCIe 4.0 x4 with other Ryzen 8000 CPUs. PCI_E3 runs at x2 when M2_3 is used; selecting PCI_E3 x4 in BIOS disables M2_3. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 | 4 |
SATA RAID modes SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI MSI lists RAID modes for M.2 NVMe drives only; SATA RAID support is not stated. · Manufacturer specification MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | RAID 0/1 | Not listed by the manufacturer |
NVMe RAID modesDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Requires compatible drives and array configuration; no data protection guarantee. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | RAID 0/1 | RAID 0/1/10 |
M.2 heatsink attachment SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Installation convenience; no measured SSD temperature or sustained-speed claim. MSI B850 GAMING PLUS WIFI — exact model datasheetMSI MAG B850 TOMAHAWK MAX WIFI No source recorded. | Tool-less EZ M.2 Shield Frozr II | Not provided |
Primary PCIe link SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · PCIe 5.0 x16 with Ryzen 9000/7000; PCIe 4.0 x8 with Ryzen 8700/8600/8400; PCIe 4.0 x4 with Ryzen 8500/8300. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · PCIe 5.0 x16 with Ryzen 9000/7000; PCIe 4.0 x8 with Ryzen 8700/8600/8400; PCIe 4.0 x4 with Ryzen 8500/8300. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | PCI_E1: CPU PCIe 5.0 up to x16 | PCI_E1: CPU PCIe 5.0 up to x16 |
Expansion slots and electrical linksDifferent SourcesMSI B850 GAMING PLUS WIFI PCI_E1 (PCIe 5.0 x16) uses CPU lanes; PCI_E2 and PCI_E4 (PCIe 3.0 x1) and PCI_E3 (PCIe 4.0 x4) use chipset lanes. · Manufacturer specification · All four slots are x16 length. PCI_E3 drops to x2 when PCI_E2 or PCI_E4 is occupied. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI All three slots are x16 length. PCI_E1 (PCIe 5.0 x16) uses CPU lanes; PCI_E2 (PCIe 3.0 x1) and PCI_E3 (PCIe 4.0 x4) use chipset lanes. · Manufacturer specification · PCI_E3 drops to x2 with M2_3 populated; selecting PCI_E3 x4 in BIOS disables M2_3. PCI_E1 runs at PCIe 4.0 x8 with Ryzen 8700/8600/8400 and PCIe 4.0 x4 with Ryzen 8500/8300. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 1 × PCIe 5.0 x16; 1 × PCIe 4.0 x4; 2 × PCIe 3.0 x1 | 1 × PCIe 5.0 x16; 1 × PCIe 4.0 x4; 1 × PCIe 3.0 x1 |
Expansion/storage lane sharing SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Read the simultaneous-use restriction rather than assuming each long connector has x16 lanes. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI No source recorded. | PCI_E3 runs x2 when a device occupies PCI_E2 or PCI_E4 | Not provided |
Graphics-slot release SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · An installation convenience for removing the graphics card, not a performance feature. MSI B850 GAMING PLUS WIFI — exact model datasheetMSI MAG B850 TOMAHAWK MAX WIFI No source recorded. | EZ PCIe Clip II | Not provided |
Onboard audio hardwareDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | Realtek ALC897 codec; 7.1-channel | Realtek ALC4080 codec; 7.1-channel |
Processor-dependent display outputsDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Requires integrated CPU graphics; supported modes depend on the processor. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Requires integrated CPU graphics; supported modes depend on processor. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | DisplayPort 1.2: up to 4K 60 Hz | HDMI 2.1 FRL: up to 8K 60 Hz |
Rear USB portsDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Port inventory and interface ratings, not simultaneous measured throughput or charging power. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 USB 2.0; 1 USB 5 Gb/s Type-A; 1 USB 10 Gb/s Type-A; 2 USB 10 Gb/s Type-C | 4 USB 2.0; 1 USB 5 Gb/s Type-A; 2 USB 10 Gb/s Type-A; 3 USB 10 Gb/s Type-C |
Front USB header capacityDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Requires compatible case ports and wiring; not rear-panel sockets. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Requires compatible case ports and cabling; not rear sockets. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 USB 2.0; 4 USB 5 Gb/s Type-A; 1 USB 5 Gb/s Type-C | 4 USB 2.0; 4 USB 5 Gb/s Type-A; 1 USB 20 Gb/s Type-C |
Network interfaces SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Wi-Fi 7 requires supported Windows 11, drivers and access point; MSI specifies Windows 11 24H2 for full Wi-Fi 7 operation. 6 GHz availability depends on country rules. Bluetooth version depends on module vendor and drivers; no measured throughput is claimed. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Wi-Fi 7 requires supported Windows 11, drivers and access point; MSI specifies Windows 11 24H2 for full Wi-Fi 7 operation. 6 GHz availability depends on country rules. Bluetooth version depends on module vendor and drivers; no measured throughput is claimed. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | Realtek 8126VB 5 Gb Ethernet; Wi-Fi 7; Bluetooth 5.4 | Realtek 8126VB 5 Gb Ethernet; Wi-Fi 7; Bluetooth 5.4 |
Fan and pump headersDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification · Header counts do not specify electrical current limits. MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Board headers, not supplied fans or an assertion of current limits. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 1 CPU; 1 pump/system combo; 4 system fan headers | 1 CPU; 1 pump/system combo; 6 system fan headers |
Rear Clear CMOS button SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI No source recorded. | Yes | Not provided |
Diagnostic indicatorsDifferent SourcesMSI B850 GAMING PLUS WIFI Manufacturer specification MSI B850 GAMING PLUS WIFI — manufacturer specificationsMSI MAG B850 TOMAHAWK MAX WIFI Manufacturer specification · Status LEDs, not a numeric POST display or an automatic repair guarantee. MSI MAG B850 TOMAHAWK MAX WIFI — manufacturer specifications | 4 EZ Debug LEDs | 4 EZ Debug LEDs; 1 EZ Memory Detection LED |
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