ASUS ROG CROSSHAIR X870E HERO90MB1IE0-M0MAY0 · AM5 · ATX · ASUS UK specification- Onboard M.2 storage slots
- 5This one: 4
MOTHERBOARDS
MSI MAG X870E TOMAHAWK WIFI
AM5 · ATX · DDR5 · board only
- CPU socket
- AM5
- Chipset
- AMD X870E
- Form factor
- ATX; 304.8 × 243.84 mm
An ATX AM5 motherboard with AMD X870E: 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), two rear USB4 40 Gb/s ports, Realtek 5 Gb Ethernet and Wi-Fi 7.
Prices & buying options
As an Amazon Associate I earn from qualifying purchases.
Price alert
Email me when the MSI MAG X870E TOMAHAWK WIFI gets cheaper on eBay. We check exact-model listings once a day at 12:00 UTC.
THE ACTUAL PRODUCT
Compare with ASUS ROG CROSSHAIR X870E HERO
Specifications checked 7 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked motherboards by key specifications, with what differs from the MSI MAG X870E TOMAHAWK WIFI. The first matches the Compare button above.
ASUS ROG CROSSHAIR X870E HERO90MB1IE0-M0MAY0 · AM5 · ATX · ASUS UK specification
ASUS ROG STRIX X870E-E GAMING WIFIROG STRIX X870E-E GAMING WIFI · AM5 · ATX · ASUS US specification- Onboard M.2 storage slots
- 5This one: 4
ASUS ROG CROSSHAIR X870E DARK HEROROG CROSSHAIR X870E DARK HERO · AM5 · ATX · ASUS UK specification- Onboard M.2 storage slots
- 5This one: 4
Key strengths
A PCIe 5.0 x16 graphics slot and two PCIe 5.0 x4 M.2 slots, with four M.2 slots in total (the two chipset slots run at PCIe 4.0 x4).
Two rear USB4 40 Gb/s Type-C ports, 5 Gb Ethernet, Wi-Fi 7 and Bluetooth 5.4.
DDR5 up to 8400+ MT/s (OC) with AMD EXPO, plus rear Flash BIOS and Clear CMOS buttons.
Before you buy
M2_2 shares lanes with the rear USB4 ports (both drop to x2 when it is used) and is unavailable with Ryzen 8500/8300.
Only four SATA ports, and the two extra expansion slots are PCIe 4.0 x4 and PCIe 3.0 x1.
Works with
Products in this catalogue that list the same socket or memory type as the MSI MAG X870E TOMAHAWK WIFI. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.
- 19 AM5 processorsSocket AM5 on both, from cited specifications
- 50 DDR5 memory kitsMemory type DDR5 on both, from cited specifications
Every specification. With its source.
Full specifications
Exact configuration: AM5 · ATX · DDR5 · board-only configuration · MSI global specification
24 specifications in 8 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Platform & board
3 items
Memory
3 items
- DIMM slots
- 4
Physical DDR5 module positions, not included modules. Consult the board manual for population order and compatible capacities.
Source - Maximum listed memory
- 256 GB
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.
Source - Memory type, slots and limit
- 4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-8400+ (OC); AMD EXPO; non-ECC unbuffered; CUDIMM support
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 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.
Source
Expansion slots
2 items
- Expansion slots and electrical links
- 1 × PCIe 5.0 x16; 1 × PCIe 4.0 x4; 1 × PCIe 3.0 x1
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. · PCI_E1 runs at PCIe 4.0 x8 with Ryzen 8700/8600/8400 and PCIe 4.0 x4 with Ryzen 8500/8300. MSI lists no sharing between PCI_E3 and the M.2 slots.
- PCIe release button
- Yes
MSI EZ PCIe Release operates the graphics-card slot latch. This is an installation control, not a PCIe bandwidth or gaming-performance measurement.
Source
Storage
6 items
- Onboard M.2 storage slots
- 4
Onboard M.2 storage positions only. Ryzen 8000 uses PCIe 4.0 for CPU M.2 links; M2_2 is unavailable with Ryzen 8500/8300. M2_2 and the rear USB4 controller share CPU PCIe 5.0 x4 lanes. With M2_2 populated, each runs at x2; selecting M2_2 x4 in BIOS disables rear USB4. The USB4 controller itself supports at most PCIe 4.0 x4.
Source - SATA storage ports
- 4
SATA 6 Gb/s connectors, not supplied drives or power cables. Ryzen 8000 uses PCIe 4.0 for CPU M.2 links; M2_2 is unavailable with Ryzen 8500/8300. M2_2 and the rear USB4 controller share CPU PCIe 5.0 x4 lanes. With M2_2 populated, each runs at x2; selecting M2_2 x4 in BIOS disables rear USB4. The USB4 controller itself supports at most PCIe 4.0 x4.
Source - Storage interfaces
- 2 × M.2 PCIe 5.0 x4; 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s
M2_1 and M2_2 connect to the CPU (PCIe 5.0 x4); M2_3 and M2_4 connect to the chipset (PCIe 4.0 x4). M2_1 accepts drives up to 22110; the others up to 2280. · Ryzen 8000 uses PCIe 4.0 for CPU M.2 links; M2_2 is unavailable with Ryzen 8500/8300. M2_2 and the rear USB4 controller share CPU PCIe 5.0 x4 lanes. With M2_2 populated, each runs at x2; selecting M2_2 x4 in BIOS disables rear USB4. The USB4 controller itself supports at most PCIe 4.0 x4.
Source - NVMe RAID modes
- 0 / 1 / 5 / 10
RAID 5 requires Ryzen 9000; NVMe RAID 10 requires Ryzen 9000 or 7000.
Source - SATA RAID modes
- 0 / 1 / 10
Manufacturer-listed modes; follow the manual/BIOS RAID instructions.
Source - Tool-less M.2 heatsink handling
- Yes
MSI describes tool-less SSD and Shield Frozr installation/removal under EZ M.2 Shield Frozr II. An installation convenience, not a cooling measurement; it may not suit every SSD heatsink.
Source
USB & rear connections
5 items
- Rear USB4 support
- Yes
M2_2 shares lanes with rear USB4. Populating it splits the link to x2 each; selecting its x4 BIOS mode disables rear USB4. Controller maximum is PCIe 4.0 x4.
- Rear USB4 Type-C ports
- 2
M2_2 shares lanes with rear USB4. Populating it splits the link to x2 each; selecting its x4 BIOS mode disables rear USB4. Controller maximum is PCIe 4.0 x4.
Source - Rear USB4 advertised link rate
- 40 Gb/s
Nominal port signalling rate, not measured throughput. M2_2 shares lanes with rear USB4. Populating it splits the link to x2 each; selecting its x4 BIOS mode disables rear USB4. Controller maximum is PCIe 4.0 x4.
- USB port and header capacity
- 2 × USB 40 Gb/s (2 Type-C); 1 × USB 20 Gb/s (1 Type-C); 3 × USB 10 Gb/s (2 Type-A + 1 Type-C); 7 × USB 5 Gb/s (7 Type-A); 8 × USB 2.0
Combined rear ports and internal front headers. The two 40 Gb/s USB4 ports are on the rear; the 20 Gb/s Type-C, four 5 Gb/s Type-A and four USB 2.0 connections are front headers that need compatible case ports. Link rates are nominal maxima.
Source - Motherboard display outputs
- HDMI 2.1 FRL; two USB-C DisplayPort 1.4 HBR3 outputs
Requires processor integrated graphics. HDMI maximum 8K 60 Hz; USB4 display maximum 4K 60 Hz. CPU and connected equipment affect support; discrete GPU outputs are separate. M2_2 shares lanes with rear USB4. Populating it splits the link to x2 each; selecting its x4 BIOS mode disables rear USB4. Controller maximum is PCIe 4.0 x4.
Source
Networking
1 item
- Network interfaces
- Realtek 8126 5 Gb Ethernet; Wi-Fi 7; Bluetooth 5.4
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.
Source
Audio
1 item
- Onboard audio hardware
- Realtek ALC4080 codec; 7.1-channel
Manufacturer-listed onboard audio hardware, not a measured sound-quality result. Where alternatives are listed, no particular unseen controller revision is promised.
Source
BIOS, software & diagnostics
3 items
- CPU support / BIOS source
- AMD Ryzen 9000 / 8000 / 7000 Series
Check MSI's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.
Source - Rear Flash BIOS button
- Yes
Rear-panel control; follow the exact board's firmware and flashing instructions.
- Rear Clear CMOS button
- Yes
Listed rear-panel control; follow the board manual before resetting firmware settings.
Compare with another motherboard
More of the nearest checked motherboards by key specifications, for a side-by-side comparison.
MSI MPG X870E CARBON WIFIAM5 · ATX · DDR5 · board-only configuration · MSI global specificationCompare the two 
ASUS ProArt X870E-CREATOR WIFIProArt X870E-CREATOR WIFI · AM5 · ATX · ASUS UK specificationCompare the two 
ASUS ROG STRIX X870E-H GAMING WIFI7ROG STRIX X870E-H GAMING WIFI7 · AM5 · ATX · ASUS UK specificationCompare the two 
ASUS ROG STRIX X870E-A GAMING WIFI7 NEOROG STRIX X870E-A GAMING WIFI7 NEO · AM5 · ATX · ASUS UK specificationCompare the two 
ASUS TUF GAMING X870E-PLUS WIFI7TUF GAMING X870E-PLUS WIFI7 · AM5 · ATX · ASUS UK specificationCompare the two 
MSI MAG X870 TOMAHAWK WIFIAM5 · ATX · DDR5 · board-only configuration · MSI global specificationCompare the two 
MSI MAG B850 TOMAHAWK MAX WIFIAM5 · ATX · DDR5 · board-only configuration · MSI global specificationCompare the two 
MSI MAG X670E TOMAHAWK WIFIAM5 · ATX · DDR5 · board-only configuration · MSI global specificationCompare the two