MSI MAG X870 TOMAHAWK WIFI + Ryzen 7 9700X Combo AMD motherboard
- AM5
- AMD X870
MSI
A motherboard and CPU bundle pairing an X870 chipset board with a Ryzen 7 9800X3D processor, offering DDR5 memory support up to 8400 MT/s, PCIe 5.0 graphics and storage slots, four M.2 connectors.
CPU +R7 9800X3D
This combo pairs the MSI MAG X870 TOMAHAWK WIFI motherboard with the AMD Ryzen 7 9800X3D processor on the AM5 platform. It targets gamers and creators who want a ready-matched CPU and board without separate compatibility checks. The X870 chipset unlocks PCIe 5.0 lanes from the CPU for graphics and primary storage. Dual-channel DDR5 support reaches 256 GB across four slots.
The package replaces an older AM4 or early AM5 system when workloads demand PCIe 5.0 x16 bandwidth and DDR5 speeds up to 8400 MT/s. The jump is worth it if current storage or memory limits frame rates or compile times. Four M.2 connectors — two CPU-attached Gen5 slots for 2280/110 drives and one chipset Gen4 slot — remove the need for add-in cards. 5 Gbps LAN and Wi‑Fi 7 with a 320 MHz channel raise network ceilings.
An 80 A SPS VRM and extended PWM heatsink keep the 9800X3D at full boost during long rendering or gaming sessions. The board’s enhanced circuit design spreads heat evenly across the power phase array. USB 4 at 40 Gbps maintains throughput for external NVMe enclosures without thermal throttling. EZ PCIe Release simplifies repeated GPU swaps for testing or service.
| Brand | MSI |
|---|---|
| Model | MAG X870 TOMAHAWK WIFI+R7 9800X3D |
| CPU Socket Type | AM5 |
| Chipset | AMD X870 |
| Number of Memory Slots | 4x288pin (DDR5) |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| ECC Supported | Non-ECC |
| Buffer Supported | Un-buffered |
| PCI Express 5.0 x16 | PCI_E1 slot (From CPU) Supports up to PCIe 5.0 x16 |
| PCI Express x4 | PCI_E3 slot (From Chipset X870) Supports up to PCIe 4.0 x4 |
| PCI Express x1 | PCI_E2 slot (From Chipset X870) Supports up to PCIe 3.0 x1 |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | M2_1 slot (From CPU) - Supports up to PCIe 5.0 x4 - Supports 2280/110 storage devices M2_2 slot (From CPU) - Supports up to PCIe 5.0 x4 - Supports 2260/80 storage devices M2_3 slot (From Chipset) - Supports up to PCIe 4.0 x2 - Supports 2260/80 storage devices M2_4 slot (From Chipset) - Supports up to PCIe 4.0 x4 - Supports 2260/80 storage devices * The M2_2 slot will be unavailable when using Ryzen 5 8500G processor. ** PCI_E3 slot will run at x2 speed when installing device in the M2_3 slot |
| SATA RAID | Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices |
| Audio Chipset | Realtek ALC4080 |
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek 8126-VB |
| Max LAN Speed | 5Gbps |
| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 1 x Flash BIOS button 1 x Clear CMOS button 1 x HDMI port 1 x USB 10Gbps Type-A (From CPU) 1 x USB 10Gbps Type-A (From X870 chipset) 1 x USB 10Gbps Type-C (From X870 chipset) 2 x USB 40Gbps Type-C (From ASM4242) 3 x USB 5Gbps Type-A (From GL3523) 4 x USB 2.0 Type-A ports (From GL850) 1 x 5Gbps LAN (RJ45) port 2 x Wi-Fi Antenna connectors 2 x audio jacks 1 x Optical S/PDIF Out connector |
| Onboard USB | AMD X870 Chipset - 1 x USB 20Gbps Type-C front panel port with Power Delivery Supports up to 27W fast charging - 2 x USB 5Gbps connectors Supports additional 4 USB 5Gbps ports - 2 x USB 2.0 connectors Supports additional 4 USB 2.0 ports |
| Other Connectors | Fan Connectors - 1x 4-pin CPU fan connector - 6x 4-pin system fan connectors - 1x 4-pin water-pump/ system fan connector - 1x EZ Conn-Header V2 (JAF_2 with 11-Pin) System Connectors - 1x Front panel audio connector - 2x System panel connectors - 1x Chassis Intrusion connector - 1x TPM module connector Jumpers - 1x Clear CMOS jumper - 1x OC safe boot BIOS jumper |
| Form Factor | ATX |
| LED Lighting | 1 x 4-pin RGB LED connector 3 x 3-pin A-RAINBOW V2 (ARGB Gen2) LED connectors 4 x EZ Debug LED 1 x 2-Digit Debug Code LED 1 x EZ Conn-Header V2 (JAF_2 with 11-Pin) |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin Power Connector (ATX_PWR) 2 x 8-pin Power Connector (CPU_PWR) 1 x 8-pin Power Connector (PCIE_PWR) |
| BIOS Feature | 1x 256 Mb flash UEFI AMI BIOS ACPI 6.4, SMBIOS 3.7 Multi-language |
| Software | Drivers MSI Center Acrobat Adobe Creative Cloud AIDA64 Extreme-MSI Edition CPU-Z MSI GAMING MSI App Player (BlueStacks) Norton 360 |
| Features | MSI Center Features - MSI AI Engine - Game Highlights - Frozr AI Cooling - Hardware Monitoring - Live Update - MSI Companion - System Diagnosis - Cooling Wizard - LAN Manager - Mystic Light - Ambient Link - True Color - User Scenario - Super Charger + Thermal Features - K7 MOSFET thermal pad / K5 Extra choke pad - Extended Heatsink Design - Fan headers (CPU + Combo+PUMP + SYSTEM) - M.2 Shield Frozr Performance - Lightning Gen 5 PCI-E Slot / M.2 - Lightning Gen 4 PCI-E Slot / M.2 - Front USB Type-C - USB with PD - Supplemental PCIe Power Connector - Core Boost - Dual CPU Power - Memor |
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The board uses a standard ATX form factor with an 80A SPS VRM cooled by an extended PWM heatsink; it needs a case that fits ATX motherboards and an 8-pin plus 4-pin CPU power connector for the VRM.
Press the EZ PCIe Release button to unlock the PCI_E1 slot retention latch before inserting the card, then press it again after the card clicks in to ensure the latch re-engages; the missed step is relocking the latch.
M2_1 and M2_2 run from the CPU at PCIe 5.0 x4; M2_1 accepts 2280 and 22110 drives, M2_2 accepts 2260 and 2280 drives, while M2_3 runs from the chipset at PCIe 4.0 speeds.
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