MSI MAG B850M Mortar WiFi
MSI MAG B850M Mortar WiFi Specifications Review
MSI MAG B850M Mortar WiFi by MSI is a Micro-ATX form factor motherboard based on the mid-range B850M chipset and AM5 socket, providing a balanced set of features and connectivity. It is designed to support DDR5 memory, with 4 slots, a maximum capacity of 256 GB, and an overclocking speed of up to 8200 MHz.
VRM Quality
The MSI MAG B850M Mortar WiFi comes with an entry-level VRM setup, delivering 60 A across 12 phases. Works best with CPUs in the ~65–105 W TDP range. Can technically run higher-TDP processors at stock, but will likely experience thermal throttling under sustained heavy loads. Suited for budget gaming, office PCs, and home builds without heavy CPU demands.
See the VRM Appropriate CPU Specification Table at the bottom of this page for recommended CPU options.
Expansion and Storage Overview
The MSI MAG B850M Mortar WiFi offers a balanced expansion and storage configuration with PCIe 5.0 support, meaning it uses PCI Express 5.0, the newest standard offering extremely high bandwidth for next-generation graphics cards and ultra-fast NVMe storage. It also includes 1 x16 slot , 1 x4 slot . These PCIe slots are used to connect expansion cards — with the x16 slots typically reserved for graphics cards, while x8, x4, and x1 slots are used for devices like capture cards, sound cards, or network adapters.
For storage, this motherboard provides 3 M.2 slots and 4 SATA ports. M.2 slots are high-speed connectors for modern NVMe SSDs, which are much faster than older storage, while SATA ports are used for traditional hard drives and 2.5-inch SSDs. Together, they allow you to mix fast primary storage with larger, more affordable drives for bulk data.
Connectivity Overview
This motherboard offers solid and reliable connectivity features, including wireless networking with the Wi-Fi 7 standard, and wired Realtek® 8126VB 5G LAN ethernet supporting speeds up to 5000 Gbps. Bluetooth 5.4 is available for wireless accessories. It also provides a good selection of modern USB ports to cover most connectivity needs. For exact USB specifications, please see the detailed table.
For video output, this motherboard includes HDMI version 2.1 FRL . These video outputs are intended for integrated graphics and will only function if your CPU includes integrated GPU capabilities.
Audio Quality
This motherboard features an ultra-premium audio solution — the Realtek® ALC4080 Codec — rivaling professional-grade DACs. With its ESS Sabre-class DAC implementation, it delivers reference-quality sound featuring exceptional clarity, dynamic range, and near-zero distortion. This is the ultimate choice for audiophiles, professional audio work, and high-impedance headphones, eliminating the need for external amplification in most cases. Additional features include optical S/PDIF output for clean digital audio, plus multiple audio jacks (5) for flexible connectivity.
Overall Quality and Value
MSI MAG B850M Mortar WiFi delivers a strong overall quality score of 70.60. It offers reliable performance, durable construction, and a comprehensive set of features suitable for demanding workloads, gaming, and productivity, without venturing into the extreme performance segment of premium boards.
This motherboard offers an impressive 67.1% performance-to-price ratio, delivering excellent value by combining strong performance with reasonable cost, making it a smart choice for budget-conscious buyers who don’t want to sacrifice quality.
General Information
| Manufacturer | MSI |
|---|---|
| Motherboard Name | MSI MAG B850M Mortar WiFi |
| Current Price Amazon | $200 |
| Amazon Price Updated | 1 hour, 48 minutes ago. |
| Motherboard Available | True |
| Chipset / Socket | B850M / AM5 |
| Form Factor | Micro-ATX |
VRM Configuration
| CPU Power Phases (Amps) | 12 (60 A) |
|---|---|
| Power Design | 12+2+1 |
Memory Information
| Type / Slots | DDR5 / 4 slots |
|---|---|
| Max Capacity / Max OC | 256 GB / 8200 MHz |
PCIe Slot Configuration
| Supported Version | PCIe 5.0 | ||||
|---|---|---|---|---|---|
| Slot Size | Physical Slots | Gen5 | Gen4 |
|---|---|---|---|
| x16 | 1 | 1 | 0 |
| x4 | 1 | 0 | 1 |
Storage Configuration
| M.2 Slot Count | 3 slots |
|---|---|
| M.2 Supported Lengths | 2280, 2260 |
| SATA Ports | 4 |
Onboard Audio Features
| Audio Chipset | Realtek® ALC4080 Codec |
|---|---|
| Analog Audio Jacks | 5 jacks |
| Optical S/PDIF Output | ✔️ Present |
| Spatial/Surround Audio | ✔️ Rear Output Supports Spatial Audio |
Motherboard Display Outputs
| HDMI Output | HDMI - Version 2.1 FRL (Max: 8K 60Hz) |
|---|
USB and Thunderbolt Connectivity
Rear USB Ports
| USB 3.2 Gen 1 Type-A (5 Gbps) | 4 |
|---|---|
| USB 3.2 Gen 2 Type-A (10 Gbps) | 3 |
| USB 3.2 Gen 2 Type-C (10 Gbps) | 1 |
| USB 3.2 Gen 2x2 Type-C (20 Gbps) | 1 |
Front USB Ports
| USB 2.0 Type-A (480 Mbps) | 4 |
|---|---|
| USB 3.2 Gen 1 Type-A (5 Gbps) | 2 |
| USB 3.2 Gen 2 Type-C (10 Gbps) | 1 |
Internal USB Headers
| USB 2.0 Header (480 Mbps) | 4 |
|---|---|
| USB 3.2 Gen 1 Header (5 Gbps) | 2 |
| USB 3.2 Gen 2 Header (10 Gbps) | 1 |
Networking Information
| Ethernet | Chipset: Realtek® 8126VB 5G LAN LAN Ports: 1 |
|---|---|
| Wi-Fi |
Version: Wi-Fi 7 Bandwidth: 320MHz Frequency Bands: 2.4GHz, 5GHz, 6GHz Antenna Connectors: 2 |
| Bluetooth |
Version: 5.4 |
Button Features
| Buttons |
BIOS Flashback Clear CMOS |
|---|
Quality & Features
Additional Information
| RAM | Supports AMD EXPO™ memory overclocking. Supports AMD POR Speed and JEDEC Speed. Supports Un-buffered memory. Supports CUDIMM, Clock Driver bypass mode only. Ryzen™ 9000 Series Processors max overclocking frequencies: 1DPC 1R up to 8200+ MT/s, 1DPC 2R up to 6400+ MT/s, 2DPC 1R up to 6400+ MT/s, 2DPC 2R up to 6400+ MT/s. |
|---|---|
| Display | Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Expansion | PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU). PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset). PCI_E1 slot supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors), supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors), supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processors). |
| Storage |
M.2 Slot Details:
|
| Audio | 7.1-Channel USB High Performance Audio. Supports up to 32-bit/384kHz playback on front panel. |
| Networking | Wi-Fi 7 Solution. The Wireless module is pre-installed in the M.2 (Key-E) slot. Supports MU-MIMO TX/RX, up to 5.8Gbps. Supports 802.11 a/ b/ g/ n/ ac/ ax/ be. Bluetooth supports MLO, 4KQAM. |
| Buttons | The text lists a 'Flash BIOS Button' which is equivalent to a BIOS Flashback button. |
| Dimensions | 24.4cm x 24.4cm |
Note: The specifications and descriptions above are extracted by AI to present the official manufacturer data in a clearer and more natural way for easier understanding. However, this AI-processed information may contain inaccuracies. Please verify all details by consulting the official manufacturer's information provided below.
MSI MAG B850M Mortar WiFi Compared to Motherboards with Similar Performance and Features
Motherboard Quality & Features per Price Table
| Motherboard (Desc) | Price (Desc) | Overall_Q (Desc) | VRM_Q (Desc) | Chipset (Desc) | Exp_Str (Desc) | Connect (Desc) | Audio (Desc) | Q&F/Price (Desc) |
|---|---|---|---|---|---|---|---|---|
|
$176
|
0.0%
|
72.0%
|
54.0%
|
76.0%
|
71.0%
|
71.0%
|
88.0%
|
77.7%
|
|
|
$110
|
0.0%
|
72.0%
|
54.0%
|
76.0%
|
71.0%
|
71.0%
|
88.0%
|
124.4%
|
|
|
$210
|
0.0%
|
71.8%
|
60.0%
|
89.0%
|
56.0%
|
73.0%
|
81.0%
|
65.0%
|
|
|
$170
|
0.0%
|
71.6%
|
54.0%
|
86.0%
|
72.0%
|
62.0%
|
84.0%
|
80.0%
|
|
|
$200
|
0.0%
|
70.6%
|
37.0%
|
81.0%
|
66.0%
|
78.0%
|
91.0%
|
67.1%
|
|
|
$312❗
|
0.0%
|
70.4%
|
56.0%
|
86.0%
|
82.0%
|
83.0%
|
45.0%
|
42.9%
|
|
|
$150
|
0.0%
|
68.8%
|
38.0%
|
93.0%
|
110.0%
|
63.0%
|
40.0%
|
87.2%
|
|
|
$175
|
↑
7.6%
|
68.4%
|
48.0%
|
88.0%
|
87.0%
|
79.0%
|
40.0%
|
74.3%
|
|
|
$170
|
0.0%
|
68.4%
|
37.0%
|
85.0%
|
65.0%
|
74.0%
|
81.0%
|
76.5%
|
Motherboard Comparison and Detail Specifications Table
| Specification | Perf Chart | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Price |
$176
|
0.0%
|
$110
|
0.0%
|
$210
|
0.0%
|
$170
|
0.0%
|
$200
|
0.0%
|
$312❗
|
0.0%
|
$150
|
0.0%
|
$175
|
↑
7.6%
|
$170
|
0.0%
|
||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | MSI | MSI | ASUS | ASRock | MSI | GIGABYTE | ASUS | MSI | Gigabyte | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Chip/Socket | B650 / AM5 | B650 / AM5 | B850 / AM5 | X870 / AM5 | B850M / AM5 | X670E / AM5 | X870 / AM5 | X670E / AM5 | AMD B850 / AM5 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Form | Standard-ATX | Standard-ATX | Micro-ATX | Standard-ATX | Micro-ATX | Standard-ATX | Standard-ATX | Standard-ATX | Micro-ATX | ||||||||||||||||||||||||||||||||||||||||||||||||||
| CPU Phases | 14 (80 A) | 14 (80 A) | 14 (80 A) | 14 (80 A) | 12 (60 A) | 16 (70 A) | 12 (60 A) | 14 (70 A) | 12 (60 A) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PWR Design | 14+2+1 | 14+2+1 | 14+2+1 | 14+2+1 | 12+2+1 | 16+2+2 | 12(60A)+2(60A)+1 | 14+2+1 | 12 + 2 + 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Mem Slots | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Max Mem | 256 GB / 7600 MHz | 256 GB / 7600 MHz | 256 GB / 8000 MHz | 256 GB / 8000 MHz | 256 GB / 8200 MHz | 256 GB / 8000 MHz | 192 GB / 7600 MHz | 256 GB / 7800 MHz | 256 GB / 8200 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PCIe | PCIe 4.0 | PCIe 4.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 | PCIe 5.0 | PCIe 5.0 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PCIe Slots | 2x16 Gen4 | 1x1 Gen3 | 2x16 Gen4 | 1x1 Gen3 | 1x16 Gen5 | 1x16 Gen5 | 1x16 Gen4 | 1x16 Gen5 | 1x4 Gen4 | 1x16 Gen5 | 2x16 Gen3 | 4x16 Gen4 | 1x1 Gen3 | 1x16 Gen5 | 1x16 Gen4 | 1x16 Gen3 | 1x1 Gen3 | 1x16 Gen5 | 1x16 Gen3 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| M.2 | 3 | 3 | 4 | 3 | 3 | 4 | 3 | 4 | 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| SATA | 6 | 6 | 2 | 4 | 4 | 4 | 6 | 4 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Audio | Realtek® ALC4080 Codec | Realtek® ALC4080 Codec | Realtek ALC1220P | Realtek ALC1220 | Realtek® ALC4080 Codec | Realtek® ALC892/ALC897 | Realtek 7.1 Surround Sound Hi… | Realtek® ALC897 Codec | Realtek® ALC1220 CODEC (Only … | ||||||||||||||||||||||||||||||||||||||||||||||||||
| S/PDIF | ✔️ | ✔️ | ✔️ | ✔️ | ✔️ | ❌ | ❌ | ❌ | ✔️ | ||||||||||||||||||||||||||||||||||||||||||||||||||
| HDMI | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1 FRL) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (1.4) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| DP | ✔️ (1.4) | ✔️ (1.4) | ✔️ (1.4) | ❌ | ❌ | ❌ | ✔️ (1.4) | ✔️ (1.4) | ✔️ (1.4) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| LAN | Realtek® RTL8125BG 2.5Gb… (1 ports) | Realtek® RTL8125BG 2.5G … (1 ports) | Intel® 2.5Gb Ethernet (1 ports) | 2.5 Gigabit LAN 10/100/1… (1 ports) | Realtek® 8126VB 5G LAN (1 ports) | Realtek® 2.5GbE LAN chip… (1 ports) | 1 x Realtek 2.5Gb Ethern… (1 ports) | Realtek® RTL8125BG 2.5Gb… (1 ports) | Realtek® 2.5GbE LAN chip… (1 ports) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Wi-Fi | Wi-Fi Wi-Fi 6E | Wi-Fi Wi-Fi 6E | Wi-Fi 7 | ❌ | Wi-Fi 7 | Wi-Fi 7 | Wi-Fi 6 | Wi-Fi Wi-Fi 6E | Wi-Fi Wi-Fi 6E (802.11ax, RTL8852CE) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| BT | v5.3 | v5.3 | v5.4 | ❌ | v5.4 | v5.3 | v5.2 | v5.3 | v5.3 | Rear USB |
|
|
|
|
|
|
|
|
|
||||||||||||||||||||||||||||||||||||||||
| USB Headers |
|
|
|
|
|
|
|
|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
| Front USB |
|
|
|
|
|
❌ |
|
|
❌ |
%20Gallery/50a05a6872804bdeaf83_qStT9m3.jpg)
VRM Appropriate CPU Specification Table
| CPU | Price | App_Performance | Game_Performance | TDP/Max | C/SC/T | L2/L3 Cache | Base/Boost | Code Name | GPU |
|---|---|---|---|---|---|---|---|---|---|
|
$316
|
↓
0.0%
|
63.0%
|
76.4%
|
65 W / 88 W | 12 / 0 / 24 | 1024.0 kB / 64.0 MB | 3.70 GHz / 5.40 GHz | Raphael | Radeon Graphics | |
|
$0
|
0.0%
|
51.9%
|
80.9%
|
65 W / 88 W | 8 / 0 / 16 | 1024.0 kB / 32.0 MB | 3.80 GHz / 5.50 GHz | Granite Ridge | None | |
|
$303
|
0.0%
|
51.9%
|
80.9%
|
65 W / 88 W | 8 / 0 / 16 | 1024.0 kB / 32.0 MB | 3.80 GHz / 5.50 GHz | Granite Ridge | Radeon Graphics | |
|
$190
|
↓
-32.1%
|
47.8%
|
78.1%
|
65 W / 88 W | 8 / 0 / 16 | 1024.0 kB / 32.0 MB | 3.80 GHz / 5.30 GHz | Raphael | Radeon Graphics | |
|
$266
|
0.0%
|
45.2%
|
63.7%
|
65 W / 61 W | 8 / 0 / 16 | 1024.0 kB / 16.0 MB | 4.20 GHz / 5.10 GHz | Phoenix | Radeon 780M | |
|
$180
|
↓
-14.3%
|
45.1%
|
63.5%
|
65 W / 61 W | 8 / 0 / 16 | 1024.0 kB / 16.0 MB | 4.10 GHz / 5.00 GHz | Phoenix | None | |
|
$185
|
0.0%
|
43.7%
|
80.4%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 32.0 MB | 3.90 GHz / 5.40 GHz | Granite Ridge | Radeon Graphics | |
|
$0
|
0.0%
|
41.0%
|
77.9%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 32.0 MB | 3.80 GHz / 5.00 GHz | Granite Ridge | None | |
|
$240
|
0.0%
|
38.8%
|
86.0%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 96.0 MB | 4.10 GHz / 4.70 GHz | Raphael | Radeon Graphics | |
|
$169
|
↓
-0.6%
|
38.2%
|
75.3%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 32.0 MB | 3.80 GHz / 5.10 GHz | Raphael | Radeon Graphics | |
|
$103❗
|
0.0%
|
37.8%
|
74.1%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 32.0 MB | 3.70 GHz / 5.00 GHz | Raphael | None | |
|
$188
|
0.0%
|
35.8%
|
63.7%
|
65 W / 61 W | 6 / 0 / 12 | 1024.0 kB / 16.0 MB | 4.30 GHz / 5.00 GHz | Phoenix | Radeon 760M | |
|
$0
|
0.0%
|
34.9%
|
73.1%
|
65 W / 88 W | 6 / 0 / 12 | 1024.0 kB / 32.0 MB | 3.70 GHz / 4.70 GHz | Raphael | None | |
|
$149
|
0.0%
|
34.7%
|
62.3%
|
65 W / 61 W | 6 / 0 / 12 | 1024.0 kB / 16.0 MB | 4.20 GHz / 4.70 GHz | Phoenix | None | |
|
$149
|
0.0%
|
31.3%
|
57.3%
|
65 W / 61 W | 6 / 0 / 12 | 1024.0 kB / 16.0 MB | 3.50 GHz / 5.00 GHz | Phoenix2 | Radeon 740M |
Official Manufacturer Data
Memory:
Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Ryzen™ 9000 Series Processors max. overclocking frequency:
• 1DPC 1R Max speed up to 8200+ MT/s
• 1DPC 2R Max speed up to 6400+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 6400+ MT/s
Supports AMD POR Speed and JEDEC Speed
Supports Memory Overclocking and AMD EXPO™
Supports Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM, Clock Driver bypass mode only*
Graphics:
Support HDMI™ 2.1 FRL, maximum resolution of 8K 60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Storage:
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280 devices
4x SATA 6G
M2_1 slot
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)
M2_2 slot
• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)
• Supports up to PCIe 4.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports up to PCIe 4.0 x2 (For Ryzen™ 8500/ 8300 Series processors)
M2_3 slot
• Supports up to PCIe 4.0 x2
Expansion Slots:
1x PCI-E x4 slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCI_E1 slot
• Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors)
• Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors)
• Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processors)
USB:
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
3x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Rear)
1x USB 10Gbps Type C (Front)
1x USB 20Gbps Type C (Rear)
Internal I/O:
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x System Fan
1x EZ Conn-header (JAF_1)
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Tuning Controller connector(JDASH)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
Back Panel I/O:
5G LAN
USB 10Gbps Type-A
USB 5Gbps Type-A
Audio Connectors
Flash BIOS Button
HDMI™
USB 10Gbps Type-A
USB 10Gbps Type-C
USB 20Gbps Type-C
Wi-Fi / Bluetooth
Optical S/PDIF Out
WiFi:
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth® 5.4**, MLO, 4KQAM
Audio:
7.1-Channel USB High Performance Audio
Supports up to 32-bit/384kHz playback on front panel
Supports S/PDIF output
Add Comment on MSI MAG B850M Mortar WiFi