PRO B850-P WIFI
PRO B850-P WIFI Specifications Review
PRO B850-P WIFI by MSI is a Standard-ATX form factor motherboard based on the mid-range AMD B850 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 PRO B850-P 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 PRO B850-P WIFI offers a very extensive 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 4 x16 slots . 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 (NVMe (PCIe)) 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 includes basic to moderate connectivity options, such as wireless networking with the wireless Wi-Fi 7 (802.11be) and wired Realtek ® 8126VB 5G LAN ethernet supporting speeds up to 5000 Gbps. Bluetooth 5.4 support is included for common wireless devices. USB ports are adequate for everyday devices, and more details are available in the specs table.
For video output, this motherboard includes HDMI version 2.1 . These video outputs are intended for integrated graphics and will only function if your CPU includes integrated GPU capabilities.
Audio Quality
The motherboard includes a standard audio chipset (Realtek ® ALC897) that covers basic needs for casual listening. While adequate for everyday use with mainstream headphones or desktop speakers, discerning users may want to add a USB DAC or sound card for improved fidelity, especially for music production or high-end headphones. Additional features include optical S/PDIF output for clean digital audio.
Overall Quality and Value
PRO B850-P WIFI is a dependable choice with a respectable overall quality score of 64.00. It provides all the essential features and stable performance expected in a mainstream system, covering typical use cases without unnecessary extras.
This motherboard offers an impressive 71.5% 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 | PRO B850-P WIFI |
| Current Price Amazon | $170 |
| Amazon Price Updated | 6 hours, 39 minutes ago. |
| Motherboard Available | True |
| Chipset / Socket | AMD B850 / AM5 |
| Form Factor | Standard-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 | Gen3 |
|---|---|---|---|---|
| x16 | 4 | 1 | 1 | 2 |
Storage Configuration
| M.2 Slot Count | 3 slots |
|---|---|
| M.2 Supported Lengths | 22110, 2280, 2260 |
| M.2 PCIe Modes | NVMe (PCIe) |
| SATA Ports | 4 |
Onboard Audio Features
| Audio Chipset | Realtek ® ALC897 |
|---|---|
| Optical S/PDIF Output | ✔️ Present |
Motherboard Display Outputs
| HDMI Output | HDMI - Version 2.1 (Max: 4K 60Hz) |
|---|
USB and Thunderbolt Connectivity
Rear USB Ports
| USB 2.0 Type-A (480 Mbps) | 4 |
|---|---|
| USB 3.2 Gen 1 Type-A (5 Gbps) | 1 |
| USB 3.2 Gen 2 Type-A (10 Gbps) | 1 |
| USB 3.2 Gen 2 Type-C (10 Gbps) | 2 |
Front USB Ports
| USB 2.0 Type-A (480 Mbps) | 4 |
|---|---|
| USB 3.2 Gen 1 Type-A (5 Gbps) | 4 |
| USB 3.2 Gen 1 Type-C (5 Gbps) | 1 |
Networking Information
| Ethernet | Chipset: Realtek ® 8126VB 5G LAN LAN Ports: 1 |
|---|---|
| Wi-Fi |
Version: Wi-Fi Wi-Fi 7 (802.11be) Bandwidth: 320 MHz (up to 5.8 Gbps) Frequency Bands: ['2.4GHz', '5GHz', '6GHz'] |
| Bluetooth |
Version: 5.4 |
Button Features
| Buttons |
BIOS Flashback Clear CMOS |
|---|
Quality & Features
Additional Information
| CPU Support | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors, Socket AM5, |
|---|---|
| OS Support | Support for Windows ® 11 64-bit, |
| RAM | Supports Ryzen 9000 Series per-configuration OC limits: 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 6000+ MT/s. Supports AMD POR Speed and JEDEC speeds, memory overclocking and AMD EXPO. Supports CUDIMM (clock driver bypass mode only) — CUDIMM support and POR boot frequency may vary by CPU series; manual overclocking available after boot and some CPUs may fail to boot until BIOS updates improve compatibility. DIMM slots use double-sided latches. Memory compatibility and supported speeds depend on CPU and module configuration; see the product Memory Compatibility List on the manufacturer's support page for details (https://www.msi.com/support/). |
| Display | 1x HDMI port. Supports HDMI 2.1 with a maximum output of 4K@60Hz. Video output is 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 3.0 supports up to x1 (From Chipset), PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset), PCI_E4 Gen PCIe 3.0 supports up to x1 (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 processor), * PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot. |
| Storage |
M.2 Slot Details:
3x M.2 slots (M2_1 and M2_2 connected to CPU, M2_3 to chipset). 4x SATA 6G ports. M.2 heatsink restrictions: refer to manual. Supports RAID 0 and RAID 1 for both SATA and M.2 NVMe devices. |
| Audio | 7.1-Channel High Definition Audio; Audio connectors |
| Networking | Wireless module pre-installed in M.2 (Key-E) slot; supports MU-MIMO TX/RX, MLO, 4KQAM; up to 5.8 Gbps throughput. 6GHz band availability may depend on country regulations. Bluetooth version may be updated per chipset vendor. Listed Realtek 8126VB 5G LAN. Physical count of Ethernet ports not explicitly stated in source. |
| Buttons | Also includes USB 10Gbps Type-A and Type-C ports, USB 5Gbps Type-A and Type-C ports, USB 2.0 ports (4), 5G LAN, Wi‑Fi/Bluetooth, Audio connectors and S/PDIF OUT, HDMI, multiple power connectors (1x ATX_PWR, 2x CPU_PWR, 1x PCIE_PWR 8pin), fan headers (1x CPU Fan, 1x Combo Fan Pump_Sys Fan, 4x System Fan), front panel connectors (2x JFP), chassis intrusion (JCI), front audio (JAUD), COM port (JCOM), tuning controller (JDASH), 3x Addressable V2 RGB headers (JARGB_V2) and 1x RGB header (JRGB), TPM pin header (supports TPM 2.0), and listed counts of USB ports: 4x USB 2.0, 4x USB 5Gbps Type-A, 1x USB 5Gbps Type-C. |
| Accessories | , |
| Dimensions | ATX, 243.84mmx304.8mm, |
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.
PRO B850-P 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) |
|---|---|---|---|---|---|---|---|---|
|
$160❗
|
0.0%
|
64.8%
|
54.0%
|
78.0%
|
78.0%
|
74.0%
|
40.0%
|
77.0%
|
|
|
$200
|
↑
5.3%
|
64.4%
|
41.0%
|
80.0%
|
77.0%
|
76.0%
|
48.0%
|
61.2%
|
|
|
$160❗
|
0.0%
|
64.2%
|
37.0%
|
78.0%
|
66.0%
|
62.0%
|
78.0%
|
76.2%
|
|
|
$355❗
|
↑
6.6%
|
64.0%
|
32.0%
|
94.0%
|
82.0%
|
72.0%
|
40.0%
|
34.2%
|
|
|
$170
|
0.0%
|
64.0%
|
37.0%
|
81.0%
|
91.0%
|
68.0%
|
43.0%
|
71.5%
|
|
|
$168
|
0.0%
|
64.0%
|
37.0%
|
81.0%
|
91.0%
|
68.0%
|
43.0%
|
72.4%
|
|
|
$215
|
↓
-4.4%
|
63.8%
|
40.0%
|
79.0%
|
54.0%
|
61.0%
|
85.0%
|
56.3%
|
|
|
$170
|
↑
17.9%
|
63.8%
|
38.0%
|
78.0%
|
100.0%
|
55.0%
|
48.0%
|
71.3%
|
|
|
$200
|
0.0%
|
63.4%
|
24.0%
|
74.0%
|
67.0%
|
71.0%
|
81.0%
|
60.2%
|
Motherboard Comparison and Detail Specifications Table
| Specification | Perf Chart | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Price |
$160❗
|
0.0%
|
$200
|
↑
5.3%
|
$160❗
|
0.0%
|
$355❗
|
↑
6.6%
|
$170
|
0.0%
|
$168
|
0.0%
|
$215
|
↓
-4.4%
|
$170
|
↑
17.9%
|
$200
|
0.0%
|
||||||||||||||||||||||||||||||||||||
| Manufacturer | ASRock | GIGABYTE | ASRock | ASUS | MSI | MSI | GIGABYTE | ASUS | GIGABYTE | ||||||||||||||||||||||||||||||||||||
| Chip/Socket | B850 / AM5 | B850 / AM5 | B850M / AM5 | AMD B850 Chipset / AM5 | AMD B850 / AM5 | AMD B850 / AM5 | B650I / AM5 | B650 / AM5 | B650 / AM5 | ||||||||||||||||||||||||||||||||||||
| Form | Standard-ATX | Standard-ATX | Micro-ATX | Micro-ATX | Standard-ATX | Standard-ATX | Mini-ITX | Standard-ATX | Standard-ATX | ||||||||||||||||||||||||||||||||||||
| CPU Phases | 14 (80 A) | 14 (60 A) | 12 (60 A) | 8 (80 A) | 12 (60 A) | 12 (60 A) | 8 (105 A) | 12 (60 A) | 8 (60 A) | ||||||||||||||||||||||||||||||||||||
| PWR Design | 14+2+1 | 14+2+2 | 12+2+1 | 8 + 2 + 1 | 12 + 2 + 1 | 12 + 2 + 1 | 8+2+1 | 12+2+2 | 8+2+1 | ||||||||||||||||||||||||||||||||||||
| Mem Slots | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 4 / DDR5 | 2 / DDR5 | 4 / DDR5 | 4 / DDR5 | ||||||||||||||||||||||||||||||||||||
| Max Mem | 256 GB / 8000 MHz | 256 GB / 8200 MHz | 256 GB / 8000 MHz | 256 GB / 8000 MHz | 256 GB / 8200 MHz | 256 GB / 8200 MHz | 128 GB / 7200 MHz | 128 GB / 7600 MHz | 256 GB / 8000 MHz | ||||||||||||||||||||||||||||||||||||
| PCIe | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 | ||||||||||||||||||||||||||||||||||||
| PCIe Slots | 1x16 Gen5 | 1x16 Gen4 | 1x16 Gen5 | 2x16 Gen3 | 1x16 Gen5 | 1x4 Gen4 | 1x16 Gen5 | 2x16 Gen4 | 1x16 Gen5 | 1x16 Gen4 | 2x16 Gen3 | 1x16 Gen5 | 1x16 Gen4 | 2x16 Gen3 | 1x16 Gen4 | 3x16 Gen4 | 2x1 Gen4 | 1x16 Gen4 | ||||||||||||||||||||||||||||||||||||
| M.2 | 4 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | ||||||||||||||||||||||||||||||||||||
| SATA | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||||||||||||||||||||||||||||||||||||
| Audio | Realtek ALC897 Audio Codec | Realtek® ALC892/ALC897 | Realtek ALC1220 Audio Codec | Realtek 7.1 Surround Sound Hi… | Realtek ® ALC897 | Realtek ® ALC897 | Realtek® ALC4080 CODEC | Realtek® ALC892/ALC897 | Realtek® ALC1220-VB CODEC | ||||||||||||||||||||||||||||||||||||
| S/PDIF | ❌ | ✔️ | ❌ | ❌ | ✔️ | ✔️ | ❌ | ❌ | ✔️ | ||||||||||||||||||||||||||||||||||||
| HDMI | ✔️ (2.1) | ✔️ (1.4) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ✔️ (2.1) | ||||||||||||||||||||||||||||||||||||
| DP | ❌ | ✔️ (1.4) | ✔️ (1.4) | ✔️ (1.4) | ❌ | ❌ | ✔️ (1.4) | ✔️ (1.4) | ❌ | ||||||||||||||||||||||||||||||||||||
| LAN | 2.5 Gigabit LAN 10/100/1… (1 ports) | Realtek® 2.5GbE LAN chip… (1 ports) | 2.5 Gigabit LAN 10/100/1… (1 ports) | 1 x Realtek 10Gb Etherne… (3 ports) | Realtek ® 8126VB 5G LAN (1 ports) | Realtek ® 8126VB 5G LAN (1 ports) | Realtek® 2.5GbE LAN chip… (1 ports) | Realtek 2.5Gb Ethernet (1 ports) | Intel® 2.5GbE LAN chip (… (1 ports) | ||||||||||||||||||||||||||||||||||||
| Wi-Fi | Wi-Fi Wi-Fi 6E | Wi-Fi 7 | Wi-Fi Wi-Fi 7 | ❌ | Wi-Fi Wi-Fi 7 (802.11be) | Wi-Fi Wi-Fi 7 (802.11be) | Wi-Fi Wi-Fi 6E | Wi-Fi 6 (802.11ax) | Wi-Fi 6E | ||||||||||||||||||||||||||||||||||||
| BT | v5.2 | v5.4 | v5.4 | ❌ | v5.4 | v5.4 | v5.3 | v5.2 | v5.2 | Rear USB |
|
|
|
|
|
|
|
|
|
||||||||||||||||||||||||||
| USB Headers |
|
|
|
|
❌ |
❌ |
|
|
|
||||||||||||||||||||||||||||||||||||
| Front USB |
|
❌ |
|
|
|
|
❌ |
|
❌ |
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:
• 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 6000+ MT/s, , Supports AMD POR Speed and JEDEC Speed,
Supports Memory Overclocking and AMD EXPO TM,
Supports Dual-Channel mode,
Supports Non-ECC, Un-buffered memory,
Supports CUDIMM, Clock Driver bypass mode only*, , * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility., • The DIMM slots on this motherboard have double-sided latches.,
• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.,
Graphics:
Storage:
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 4.0 x4 (For Ryzen™ 9000/ 7000 Series processors),
• Supports up to PCIe 3.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors),
• Supports up to PCIe 3.0 x2 (For Ryzen™ 8500/ 8300 Series processors), , *Please refer to the manual for M.2 SSD heatsink restrictions.,, Supports RAID 0 and RAID 1 for SATA storage devices,
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices,
Expansion Slots:
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 processor), ,
* PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot.,
USB:
Internal I/O:
Back Panel I/O:
WiFi:
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, , * 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.,
** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.,
Audio:
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