MSI MAG B850M MORTAR MAX WIFI Micro-ATX AM5 DDR5 Motherboard

₹23,555

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The MAG B850M MORTAR MAX WIFI is an AMD B850 Micro-ATX motherboard for Socket AM5 systems. It is aimed at gamers and DIY builders in India who want a compact board with modern connectivity and power delivery for Ryzen desktop processors.

Full specifications ↓

Highlights

Supports AMD Ryzen 9000 / 8000 / 7000 Series desktop processors on Socket AM5.
Micro-ATX (243.84mm x 243.84mm) form factor fits mATX cases.
4x DDR5 UDIMM slots, up to 256GB memory capacity with supported DDR5 speeds listed.
PCIe 5.0 x16 slot from CPU for high-performance graphics on supported Ryzen CPUs.
Four M.2 slots, including M.2_1 from CPU supporting PCIe 5.0 x4; datasheet lists two Gen5 x4 and two Gen4 x2 M.2 slots.
Wi‑Fi 7 solution pre-installed in M.2 Key-E and Bluetooth 5.4 for wireless networking.
Realtek 5G LAN onboard plus multiple rear USB Type-A and Type-C ports including a USB 20Gbps Type-C on the front.
14+2+1 Duet Rail Power System and extended heatsink design with EZ M.2 Shield Frozr II for cooling and stable power delivery.

Specifications

Model Name	MAG B850M MORTAR MAX WIFI
Chipset	AMD B850
CPU / Socket	Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors; Socket AM5
Form Factor / PCB Info / Dimensions	Micro-ATX / mATX / 243.84mm x 243.84mm
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support / Speeds	DDR5 8400 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s (notes for 1DPC/2DPC, OC/JEDEC as per product page)
DIMM slot latch design	The DIMM slots on this motherboard only have single-sided latche.
Onboard Graphics (Display)	1x HDMI™ (Supports HDMI™ 2.1 with FRL, up to 8K 60Hz with processor integrated graphics)
PCIe Slots	1x PCI-E x16 slot (PCIe 5.0, from CPU)
PCIe compatibility details	PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU). Supports PCIe 5.0 x16 (For Ryzen™ 9000/7000 Series processors); PCIe 4.0 x8 (For Ryzen™ 8700/8600/8400 Series); PCIe 4.0 x4 (For Ryzen™ 8500/8300 Series).
Audio	Realtek® ALC4080 Codec; 7.1-Channel USB High-Performance Audio; Supports up to 32-Bit/384 kHz playback on front panel; Supports S/PDIF output
Storage - M.2	4x M.2 (M.2_1 from CPU supports up to PCIe 5.0 x4; supports 2280/2260 devices)
Storage - SATA	2 x SATA 6Gbps ports (datasheet lists 2 SATA)
USB (rear + internal) summary	4x USB 5Gbps Type A (Rear); 2x USB 5Gbps Type A (Front); 4x USB 10Gbps Type A (Rear); 3x USB 10Gbps Type C (Rear); 1x USB 20Gbps Type C (Front); plus listed USB 2.0 ports (4) and other ports as per spec.
Rear I/O highlights	Clear CMOS Button; Flash BIOS Button; HDMI; Optical S/PDIF Out; Multiple USB Type-A and Type-C (including USB 20Gbps Type-C); 5G LAN; Wi‑Fi/Bluetooth antenna connectors; Audio jacks
LAN	1x Realtek® 5G LAN
Wireless / Bluetooth	Wi‑Fi 7 solution (pre-installed module in M.2 Key-E slot) supporting up to 5.8Gbps; Bluetooth® 5.4 (notes: country/regulation and OS support details on page)
LED / Debug	4x EZ Debug LED; 1x EZ Memory Detection LED
Internal connectors	1x Power Connector (ATX_PWR); 2x Power Connector (CPU_PWR); 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); 3x Addressable V2 RGB LED connector (JARGB_V2); 1x TPM pin header (TPM 2.0); 2x Direct OC Jumper (JBCLK)
Power design	14+2+1 Duet Rail Power System (80A SPS listed on overview/images)
Thermal features	Extended Heatsink Design; EZ M.2 Shield Frozr II; Heatsink with 7W/mK Thermal Pads
Operating System Support	Support for Windows® 11 64-bit
PCIe M.2 bandwidth detail (datasheet summary)	2 x M.2 Gen5 x4 (128Gbps) slots; 2 x M.2 Gen4 x2 (32Gbps) slots (as listed in datasheet summary)

Who should buy it

Choose this board if you want a compact AM5 motherboard with PCIe 5.0, multiple M.2 slots, Wi‑Fi 7 and strong CPU power delivery for gaming or general DIY builds. If you prefer a different chipset, form factor or specific legacy ports, consider other models.

Compatibility

Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors on Socket AM5. Memory support is 4x DDR5 UDIMM up to 256GB with listed DDR5 speed ranges; M.2 and PCIe behavior depends on the installed CPU as described.

Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors (Socket AM5)
Memory: 4x DDR5 UDIMM, up to 256GB (DDR5 speeds depend on CPU and configuration)

Frequently asked questions

Does this motherboard include the Wi‑Fi 7 module pre-installed?

Yes — the Wi‑Fi 7 solution is provided as a pre-installed module in the M.2 Key-E slot and includes Bluetooth 5.4.

Which Ryzen processors are officially supported out of the box?

The board supports AMD Ryzen™ 9000, 8000 and 7000 Series desktop processors on Socket AM5.

How many M.2 drives and what PCIe generation do the M.2 slots support?

There are 4x M.2 slots. M.2_1 from the CPU supports up to PCIe 5.0 x4; the datasheet lists two M.2 Gen5 x4 slots and two M.2 Gen4 x2 slots.

What is the maximum supported DDR5 memory capacity and supported speeds?

Supports up to 256GB across 4x DDR5 UDIMM slots. Supported DDR5 speeds are listed from DDR5 4800–5600 (JEDEC) and DDR5 5600–8400 (OC) MT/s as per configuration notes.

Does the rear I/O include a USB 20Gbps Type-C port?

The specification lists a USB 20Gbps Type-C port on the front and multiple rear USB Type-C ports including USB 10Gbps and other high-speed Type-C ports.

Are the DIMM slots single- or double-latched?

The DIMM slots on this motherboard have single-sided latches.

What is the exact PCB/form factor dimension (will it fit my mATX case)?

The board is Micro-ATX (mATX) with PCB dimensions 243.84mm x 243.84mm.

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Specifications

Brand	MSI
Category	Motherboard
Model Name	MAG B850M MORTAR MAX WIFI
Chipset	AMD B850
CPU / Socket	Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors; Socket AM5
Form Factor / PCB Info / Dimensions	Micro-ATX / mATX / 243.84mm x 243.84mm
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support / Speeds	DDR5 8400 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s (notes for 1DPC/2DPC, OC/JEDEC as per product page)
DIMM slot latch design	The DIMM slots on this motherboard only have single-sided latche.
Onboard Graphics (Display)	1x HDMI™ (Supports HDMI™ 2.1 with FRL, up to 8K 60Hz with processor integrated graphics)
PCIe Slots	1x PCI-E x16 slot (PCIe 5.0, from CPU)
PCIe compatibility details	PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU). Supports PCIe 5.0 x16 (For Ryzen™ 9000/7000 Series processors); PCIe 4.0 x8 (For Ryzen™ 8700/8600/8400 Series); PCIe 4.0 x4 (For Ryzen™ 8500/8300 Series).
Audio	Realtek® ALC4080 Codec; 7.1-Channel USB High-Performance Audio; Supports up to 32-Bit/384 kHz playback on front panel; Supports S/PDIF output
Storage - M.2	4x M.2 (M.2_1 from CPU supports up to PCIe 5.0 x4; supports 2280/2260 devices)
Storage - SATA	2 x SATA 6Gbps ports (datasheet lists 2 SATA)
USB (rear + internal) summary	4x USB 5Gbps Type A (Rear); 2x USB 5Gbps Type A (Front); 4x USB 10Gbps Type A (Rear); 3x USB 10Gbps Type C (Rear); 1x USB 20Gbps Type C (Front); plus listed USB 2.0 ports (4) and other ports as per spec.
Rear I/O highlights	Clear CMOS Button; Flash BIOS Button; HDMI; Optical S/PDIF Out; Multiple USB Type-A and Type-C (including USB 20Gbps Type-C); 5G LAN; Wi‑Fi/Bluetooth antenna connectors; Audio jacks
LAN	1x Realtek® 5G LAN
Wireless / Bluetooth	Wi‑Fi 7 solution (pre-installed module in M.2 Key-E slot) supporting up to 5.8Gbps; Bluetooth® 5.4 (notes: country/regulation and OS support details on page)
LED / Debug	4x EZ Debug LED; 1x EZ Memory Detection LED
Internal connectors	1x Power Connector (ATX_PWR); 2x Power Connector (CPU_PWR); 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); 3x Addressable V2 RGB LED connector (JARGB_V2); 1x TPM pin header (TPM 2.0); 2x Direct OC Jumper (JBCLK)
Power design	14+2+1 Duet Rail Power System (80A SPS listed on overview/images)
Thermal features	Extended Heatsink Design; EZ M.2 Shield Frozr II; Heatsink with 7W/mK Thermal Pads
Operating System Support	Support for Windows® 11 64-bit
PCIe M.2 bandwidth detail (datasheet summary)	2 x M.2 Gen5 x4 (128Gbps) slots; 2 x M.2 Gen4 x2 (32Gbps) slots (as listed in datasheet summary)
Condition	New, sealed box
Warranty	Manufacturer warranty · details
Invoice	GST tax invoice (input credit available)
Delivery	Insured shipping to every serviceable pin code in India