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ASUS · AM5 · B850

B850 MAX GAMING WIFI W

ATX · DDR5 · 4 DIMMs · 8-phase VRM · Wi-Fi 6E (802.11ax)

Quality
65
VRM
25
Value
41
Amazon
$300
B850 MAX GAMING WIFI W
View B850 MAX GAMING WIFI W Gallery in high resolution
$300
Unavailable Updated 1 week, 5 days ago
Overall65.2
VRM25.0
Chipset89.0
Expansion / storage106.0
Connectivity66.0
Audio40.0
Quality / price41.3
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Written analysis

B850 MAX GAMING WIFI W at a glance

The B850 MAX GAMING WIFI W uses the ATX form factor, AM5 socket, and AMD B850 Chipset chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 8000 MT/s. The board can operate memory in ECC mode.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 25.0, placing the power delivery in the basic class. The board lists 8 CPU power phases, 60 A power stages in a 8 + 2 + 1 layout. CPU power input is listed as 2. Keep it paired with lower-power processors and avoid sustained overclocked loads.

Expansion and storage

The expansion and storage score is 106.0: exceptionally well equipped . The platform supports PCIe 5.0. Physical expansion includes 5 ×16 slots.

On-board storage consists of 3 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 22110, 2280, 2260, 2242. That is enough NVMe capacity for a multi-drive gaming or creator setup without immediately relying on an add-in card.

Connectivity and rear I/O

The connectivity score is 66.0, rated adequate . Wireless networking is Wi-Fi 6E (802.11ax) ; wired networking is 1 x Realtek 2.5Gb EthernetASUS LANGuard at up to 2500 Mbps. Bluetooth 5.3 is included. The recorded USB provision is 8 rear connections and 1 front-panel connections. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 40.0. This is a standard onboard solution using Realtek 7.1 Surround Sound High Definition Audio CODEC. It covers normal gaming and communication; demanding headphones or production work still benefit from an external interface. The rear panel has 3 analogue jacks.

Buying verdict

Overall quality is 65.20, a strong performance-class result. This is the practical sweet spot for a powerful gaming or productivity PC without paying for every flagship extra.

At the recorded Amazon price, the quality-to-price score is 41.3. The nearby-board comparison below may reveal a better-equipped option at a similar price.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
ASUS
Motherboard
B850 MAX GAMING WIFI W
Chipset / socket
AMD B850 Chipset / AM5
Form factor
ATX
Launch price
—
Amazon price
$300
Availability
Unavailable
Price updated
1 week, 5 days ago

VRM

CPU phases
8 (60 A)
Power design
8 + 2 + 1
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 8000 MT/s
Per DIMM
64 GB
XMP / EXPO
Not recorded
ECC
Operates in ECC mode

PCIe

Supported version
PCIe 5.0
x16 physical
5
x16 Gen 5
1
x16 Gen 4
2
x16 Gen 3
2

Storage

M.2 slots
3
M.2 lengths
22110, 2280, 2260, 2242
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4K@60Hz
DisplayPort
Yes · 1.4 · 8K@30Hz
USB-C DisplayPort
No

USB

Rear USB 2.0
2
Rear USB 3.2 Gen 1 Type-A 5 Gbps
2
Rear USB 3.2 Gen 2 Type-A 10 Gbps
3
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Front USB 3.2 Gen 1 Type-C 5 Gbps
1
Front USB-C PD
15 W
Header USB 2.0
6
Header USB 3.2 Gen 1 Type-A 5 Gbps
2
Header USB4 Type-C
1

Networking

Ethernet
1 x Realtek 2.5Gb EthernetASUS LANGuard
LAN ports
1
LAN speed
2500 Mbps
Wi-Fi
Wi-Fi 6E (802.11ax)
Bands
['2.4GHz', '5GHz', '6GHz']
Antenna connectors
2
Bluetooth
5.3

Audio

Chipset
Realtek 7.1 Surround Sound High Definition Audio CODEC
Analog jacks
3
Gold-plated jacks
No
Optical S/PDIF
No
Spatial audio
No

Buttons

BIOS flashback
Yes
Clear CMOS
Yes
Q-Flash Plus
No
Smart button
No
Onboard start / reset
No

Additional information

CPU support
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* * Refer to https://www.asus.com/support/download-center/ for CPU support list.
OS support
Windows® 11, Windows® 10 64-bit
Memory notes
Supports DDR5 un-buffered ECC and Non-ECC DIMMs. Official OC capability up to 8000+ MT/s (OC) with Ryzen 9000, 8000, and 7000 series processors. Supports AMD EXPO (Extended Profiles for Overclocking) and ASUS Enhanced Memory Profile (AEMP). Supported memory types, speeds, and module count vary depending on CPU and memory configuration—refer to the CPU/Memory Support list on the product support site (https://www.asus.com/support/download-center/). Non-ECC DDR5 supports On-Die ECC function. Adjustments may be required based on specifications of mass-produced memory products available on the market.
Display notes
Rear I/O includes 1x DisplayPort and 1x HDMI. Graphics specifications may vary between CPU types — refer to AMD CPU specifications. DisplayPort supports up to 8K@30Hz as per DisplayPort 1.4. HDMI supports up to 4K@60Hz as per HDMI 2.1. No DisplayPort over USB-C reported.
Expansion notes
Maximum supported PCIe generation: PCIe 5.0 — offers up to ~64 GB/s total bandwidth for a full x16 slot and is backward compatible with PCIe 4.0/3.0. Notes: Ryzen 9000/7000 provides the single PCIe 5.0 x16 slot. There are two PCIe 4.0 x16 physical slots (one tied to Ryzen 8000 CPU — operates at x8/x4 depending on CPU — and one from the B850 chipset that supports x4 mode). Two PCIe 3.0 x16 physical slots are present but operate at Gen3 and share bandwidth with SATA6G_1/2 (PCIEX16(G3)_1/2 will disable SATA6G_1/2 when active). Check ASUS PCIe bifurcation table and CPU-dependent specifications for exact lane bifurcation and compatibility.
M.2_1
PCIe 5.0 (Ryzen 9000 & 7000); PCIe 4.0 (Ryzen 8000) x4 · 2280 · From CPU — Performance/mode depends on CPU: supports PCIe 5.0 x4 with Ryzen 9000 & 7000; downgraded to PCIe 4.0 x4 with Ryzen 8000.
M.2_2
PCIe 4.0 (Ryzen 9000 & 7000); PCIe 4.0 (Ryzen 8000, may operate x4 or x2) x4 / x2 (depends on CPU) · 2280 · From CPU — Performance/mode depends on CPU: supports PCIe 4.0 x4 on Ryzen 9000 & 7000; on Ryzen 8000 may operate in PCIe 4.0 x4 or x2 mode (varies by CPU).
M.2_3
PCIe 4.0 x2 · 2242, 2260, 2280, 22110 · From AMD B850 Chipset — None stated beyond being provided by the B850 chipset.
RAID
SATA / PCIe (Ryzen 9000: RAID 0/1/5/10; Ryzen 8000: RAID 0/1; Ryzen 7000: RAID 0/1/10)
Storage notes
Board supports 3x M.2 slots and 4x SATA 6Gb/s ports. M.2_1 and M.2_2 are CPU-provided with mode and speed varying by CPU generation (Ryzen 9000/7000 vs Ryzen 8000). M.2_3 is provided by the B850 chipset and supports multiple lengths including 22110. Specifications vary by CPU type (as noted). AMD RAIDXpert2 provides RAID functionality with levels depending on CPU series.
USB notes
Rear: 4 x 10Gbps (3 Type-A + 1 Type-C), 2 x 5Gbps Type-A, 2 x USB2.0 Type-A. Front: 1 x 5Gbps Type-C connector (supports PD 5V/3A = 15W), 1 x 5Gbps header (adds 2 USB 5Gbps ports), and 3 x USB2.0 headers (add 6 USB2.0 ports). An internal Thunderbolt (USB4) header is present (listed as header, not a rear/front USB port).
Audio notes
Supports jack-detection, multi-streaming, front panel jack-retasking; up to 24-bit/192 kHz playback; audio shielding, premium audio capacitors, dedicated audio PCB layers. 7.1 surround output requires a chassis with an HD audio front-panel module.
Networking notes
ASUS LANGuard; 2x2 MIMO Wi‑Fi 6E; 6GHz regulatory support may vary by country and is supported only in Windows 11 or later; Bluetooth version may vary per Wi‑Fi module manufacturer.
Button notes
Board includes a dedicated BIOS FlashBack™ button and a Clear CMOS header (Clear CMOS provided as a header, not explicitly listed as a push-button). Other notable I/O and headers: 1x USB 10Gbps Type-C, 3x USB 10Gbps Type-A, 2x USB 5Gbps Type-A, 2x USB 2.0 Type-A, 1x DisplayPort, 1x HDMI, Wi‑Fi module, Realtek 2.5Gb Ethernet, 3 audio jacks, 1x USB 5Gbps internal Type-C connector plus a header supporting 2 additional USB 5Gbps ports, 3 USB 2.0 headers (supporting 6 ports), 3x M.2 (Key M), 4x SATA 6Gb/s, 3x Addressable RGB Gen2 headers, Chassis Intrusion header, COM port header, Front Panel Audio header, S/PDIF Out, SPI TPM header, 10-1 System Panel header, Thunderbolt (USB4) header, multiple fan and power connectors.
Fan / RGB headers
1 CPU · 1 OPT · 1 AIO · 4 chassis · 3 ARGB · — RGB
Other headers
Front audio · System panel · TPM · Thunderbolt
Accessories
Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x ASUS WiFi Q-Antenna 1 x M.2 rubber packages 3 x Screw packages for M.2 SSD Documentation 1 x Quick start guide
Dimensions
ATX Form Factor12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

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VRM fit

VRM-appropriate CPUs

AM5 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM5 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

CPU support

AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.

Memory

4 x DIMM slots, max. 256GB, DDR5 Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM*
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

Graphics

1 x DisplayPort**
1 x HDMI™ port***
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

Expansion slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (support x4 mode)
2 x PCIe 3.0 x16 slots (support x1 mode)***
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
** Specifications vary by CPU types.
*** The PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. The SATA6G_1/2 will be disabled when The PCIEX16(G3)_1 or PCIEX16(G3)_2 runs.
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported

Storage

Supports 3 x M.2 slots and 4 x SATA 6Gb/s ports
AMD Ryzen™ 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
AMD Ryzen™ 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)*
AMD B850 Chipset
M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode)
4 x SATA 6Gb/s ports
* Specifications vary by CPU types.
AMD RAIDXpert2 Technology
Ryzen™ 9000 Series Processors: RAID 0/1/5/10
Ryzen™ 8000 Series Processors: RAID 0/1
Ryzen™ 7000 Series Processors: RAID 0/1/10

USB

Rear USB (Total 8 ports)
4 x USB 10Gbps port(s) (3 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB (Total 9 ports)
1 x USB 5Gbps connector (supports USB Type-C®)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
* USB Type-C® power delivery output: max. 5V/3A

Internal I/O

Fan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connectors
1 x 4-pin +12V CPU Power connectors
Storage Related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 5Gbps connector (supports USB Type-C® )
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 additional USB 2.0 ports
Miscellaneous
3 x Addressable RGB Gen 2 headers
1 x Clear CMOS header
1 x Chassis Intrusion header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin System Panel header
1 x Thunderbolt™ (USB4®) header

Rear I/O

1 x USB 10Gbps port (1 x USB Type-C®)
3 x USB 10Gbps ports (3 x Type-A)
2 x USB 5Gbps ports (2 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack™ button

Wireless

"Wi-Fi 6E
2x2 Wi-Fi 6E (802.11ax)
Supports 2.4/5/6GHz frequency band*
Bluetooth® v5.3**
* WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.
** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications."

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Special features

ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- Flexible M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Pre-mounted I/O shield
- SafeSlot
Aura Sync
- Addressable RGB Gen 2 headers

Accessories

Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x M.2 rubber packages
3 x Screw packages for M.2 SSD
Documentation
1 x Quick start guide

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