Motherboard // MSI
MSI MAG B550 TOMAHAWK MAX WIFI Motherboard
Technical specification
AMD B550 ATX Motherboard for AM4 — 12+2+1 Phase Power, Dual 8-pin CPU, Wi-Fi 6E (160MHz), 2.5G LAN, USB 10Gbps Gen 2 Type-C Rear, PCIe 4.0 x4 M.2 with M.2 Shield Frozr, DDR4 5100+ OC, 6x SATA, 4x DDR4 up to 128GB, HDMI 2.1 + DisplayPort 1.4, Ryzen 5000 / 4000G / 3000 Ready.
The MSI MAG B550 TOMAHAWK MAX WIFI is the flagship B550 ATX — military-inspired armor design tuned for maximum Ryzen 5000 performance. It features a 12+2+1 phase Core Boost VRM, AMD Wi-Fi 6E (160MHz, BT 5.2), Realtek 2.5G LAN, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, PCIe 4.0 x16, USB 3.2 Gen 2 10Gbps Type-A and Type-C on rear, HDMI 2.1 + DisplayPort 1.4, S/PDIF optical out, EZ Debug LED, Flash BIOS Button, PCI-E Steel Armor, and AMD CrossFire support — the definitive B550 ATX for serious Ryzen builds.
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>CPU Support: AMD Ryzen 5000 Series, 5000 G-Series, 4000G-Series, 3000 Series — Socket AM4
>Power Delivery: 12+2+1 phase Core Boost, 1x 8-pin + 1x 4-pin CPU connectors, DDR4 Boost, Game Boost
>Storage: M2_1: PCIe 4.0/3.0 x4 (CPU, 22110/2280/2260/2242) + SATA; M2_2: PCIe 3.0 x4 (Chipset, 2280/2260/2242); 6x SATA 6G | RAID 0, 1, 10
>Connectivity: AMD Wi-Fi 6E (2.4/5/6GHz, 160MHz, MU-MIMO, 802.11ax), Bluetooth 5.2, Realtek RTL8125B 2.5G LAN
>USB: Rear — 4x USB 2.0, 2x USB 5Gbps Gen 1 Type-A, 1x USB 10Gbps Gen 2 Type-A, 1x USB 10Gbps Gen 2 Type-C; Front — 4x USB 2.0, 2x USB 5Gbps Gen 1 Type-A, 1x USB 5Gbps Gen 1 Type-C
>PCIe: PCI_E1: PCIe 4.0/3.0 x16 (CPU, Steel Armor); PCI_E3: PCIe 3.0 x16 (x4 speed, Chipset); 2x PCIe 3.0 x1 (Chipset)
>Audio: Realtek ALC897, 7.1-CH, S/PDIF Optical Out, up to 192kHz
| Specification | Details |
|---|---|
| Chipset | AMD B550 |
| Socket | AM4 |
| Form Factor | ATX (305 x 244 mm) |
| Memory | 4x DDR4 UDIMM, up to 128GB; DDR4 5100+(OC) / 3200(JEDEC) MHz; 1DPC 1R max 5100 MHz / 1DPC 2R max 3866 MHz / 2DPC 1R max 4000 MHz / 2DPC 2R max 3600 MHz OC; Supports ECC UDIMM (unbuffered) |
| Memory Standard | A-XMP OC Mode, Dual Channel, Non-ECC & ECC Unbuffered |
| PCIe Slots | PCI_E1: PCIe 4.0/3.0 x16 (CPU, Steel Armor); PCI_E3: PCIe 3.0 x16 (x4 mode, Chipset); 2x PCIe 3.0 x1 (Chipset) |
| M.2 Slots | M2_1: PCIe 4.0/3.0 x4 + SATA (CPU, 22110/2280/2260/2242); M2_2: PCIe 3.0 x4 (Chipset, 2280/2260/2242) — M.2 Shield Frozr |
| SATA | 6x SATA 6G | RAID 0, 1, 10 |
| LAN | Realtek RTL8125B 2.5G LAN |
| Wireless | AMD Wi-Fi 6E (2.4/5/6GHz, 160MHz, MU-MIMO, 802.11 a/b/g/n/ac/ax), Bluetooth 5.2, M.2 Key-E (pre-installed) |
| Rear USB | 4x USB 2.0, 2x USB 5Gbps Gen 1 Type-A, 1x USB 10Gbps Gen 2 Type-A, 1x USB 10Gbps Gen 2 Type-C |
| Front USB Headers | 4x USB 2.0, 2x USB 5Gbps Gen 1 Type-A, 1x USB 5Gbps Gen 1 Type-C |
| Video Output | 1x HDMI 2.1 (4K@60Hz) + 1x DisplayPort 1.4 — iGPU only (Ryzen G-Series) |
| Audio | Realtek ALC897, 7.1-CH, S/PDIF Optical Out, up to 192kHz |
| Fan Headers | 1x CPU Fan, 1x Pump Fan, 4x System Fan, Smart Fan 6 |
| RGB | 2x ARGB V2 headers, 2x RGB headers, 4x EZ Debug LED |
| Multi-GPU | AMD CrossFire Technology |
| Extras | M.2 Shield Frozr (M2_1), PCI-E Steel Armor, Flash BIOS Button, Click BIOS 5, S/PDIF Optical Out, PS/2 port, TPM header, Chassis Intrusion header, pre-installed I/O shield |
| OS Support | Windows 11 64-bit, Windows 10 64-bit |
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Before you buy
Is this genuine, warranted stock?+
Yes — authorised MSI stock with full brand warranty, GST invoice, and serial tracking.
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