MSI PRO B860M-A WIFI Micro-ATX LGA 1851 DDR5 Motherboard

₹18,348

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PRO B860M-A WIFI is an mATX Intel B860 motherboard designed for compact business and productivity PCs. It suits builders who want LGA 1851 support for Intel® Core™ Ultra Processors (Series 2) with modern connectivity like Wi‑Fi 7 and Thunderbolt 4.

Full specifications ↓

Highlights

Supports Intel® Core™ Ultra Processors (Series 2) on LGA 1851 socket.
mATX form factor (243.84mm x 243.84mm) for compact builds.
4x DDR5 UDIMM slots, up to 256GB memory with speeds up to 8800 MT/s (OC) depending on configuration.
PCIe 5.0 x16 from CPU for a high-bandwidth GPU slot (Lightning Gen 5).
Three M.2 slots: one CPU-attached PCIe 5.0 x4 and two chipset PCIe 4.0 slots, plus 4x SATA 6Gbps.
Rear Thunderbolt 4 Type-C port supporting up to 40Gbps and power charging up to 5V/3A (15W).
Intel® Wi‑Fi 7 module pre-installed in M.2 Key-E supporting up to 5.8Gbps and Bluetooth 5.4.
Realtek ALC897 7.1 audio and Realtek 8126 5Gbps LAN for wired networking.

Specifications

Model Name	PRO B860M-A WIFI
Chipset	INTEL B860
CPU	Supports Intel® Core™ Ultra Processors (Series 2)
CPU Socket	LGA 1851
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support	8800 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s
Max. overclocking	1DPC 1R Max speed up to 8800+ MT/s; 1DPC 2R Max speed up to 7200+ MT/s; 2DPC 1R Max speed up to 6400+ MT/s; 2DPC 2R Max speed up to 5600+ MT/s
Onboard Graphics (display outputs)	1x HDMI™ (Support HDMI™ 2.1, maximum resolution of 4K 60Hz); 1x DisplayPort (Support DisplayPort 1.4, maximum resolution of 4K 60Hz); 1x Type-C DisplayPort (Thunderbolt™ 4 port, supporting DisplayPort 2.1 with UHBR20 over USB Type-C, with a maximum resolution of 4K@120Hz / 8K@60Hz*)
PCIe Slots / Expansion	PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 4.0 supports up to x1 (From Chipset); PCI_E4 Gen PCIe 4.0 supports up to x4 (From Chipset) — 4x PCI-E x16 slot (as listed)
Audio	Realtek® ALC897 Codec; 7.1-Channel High Definition Audio
Storage (M.2 & SATA)	3x M.2 (M.2_1 From CPU supports up to PCIe 5.0 x4, supports 2280/2260/2242; M.2_2 From Chipset supports up to PCIe 4.0 x4, supports 2280/2260; M.2_3 From Chipset supports up to PCIe 4.0 x2, supports 2280); 4x SATA 6G (4x SATA 6Gbps)
RAID	Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Onboard Thunderbolt	1x Thunderbolt4 ports (Rear) — Supports up to 40Gbps with Thunderbolt devices; up to 20Gbps with USB4 devices; up to 10Gbps with USB 3.2 devices; Supports up to 5V/3A,15W power charging; Each port can daisy-chain up to three Thunderbolt 4 devices or five Thunderbolt 3 devices; Supports up to 8K display
USB (internal & rear/front counts)	2x USB 2.0 (Rear); 4x USB 2.0 (Front); 2x USB 5Gbps Type A (Rear); 1x USB 5Gbps Type C (Rear); 4x USB 5Gbps Type A (Front); 1x USB 10Gbps Type A (Rear); 1x USB 10Gbps Type C (Front) — (datasheet table lists USB totals as 2 x USB 10Gbps (1 Type-A + 1 Type-C), 7 x USB 5Gbps (6 Type-A + 1 Type-C), 6 x USB 2.0)
LAN	Realtek® 8126 5Gbps LAN
Wireless LAN & Bluetooth	Intel® Wi-Fi 7; 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
LED Feature	4x EZ Debug LED; 1x EZ Memory Detection LED
Internal I/O headers	1x Thunderbolt5 card connector (JTBT5, support RTD3); 1x Power Connector (ATX_PWR); 2x Power Connector (CPU_PWR); 1x Power Connector (PCIE_PWR 8pin); 1x CPU Fan; 1x Combo Fan (Pump_Sys Fan); 3x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Com Port (JCOM); 1x Tuning Controller connector (JDASH); 2x Addressable V2 RGB LED connector (JARGB_V2); 1x RGB LED connector (JRGB); 1x TPM pin header (Support TPM 2.0)
Back Panel Ports (items listed)	1. DisplayPort; 2. Keyboard / Mouse; 3. USB 5Gbps Type-A; 4. 5G LAN; 5. Wi‑Fi / Bluetooth; 6. Audio Connectors; 7. HDMI™; 8. Thunderbolt™ 4 40Gbps (Type-C); 9. USB 2.0; 10. Clear CMOS Button; 11. USB 10Gbps Type-A; 12. USB 5Gbps Type-C
Operating System Support	Support for Windows® 11 64-bit
PCB Info / Form Factor	mATX 243.84mm x 243.84mm

Who should buy it

Choose this board if you need a compact mATX solution that supports Intel Core Ultra (Series 2) CPUs, PCIe 5.0 GPU slot, Thunderbolt 4 and Wi‑Fi 7. Buyers wanting larger ATX layouts or different chipsets should consider other boards.

Compatibility

Supports Intel® Core™ Ultra Processors (Series 2) on the LGA 1851 socket. Memory speeds and compatibility depend on CPU and memory configuration—refer to the Memory Compatibility List on the support page. Onboard display outputs are available only on processors that include integrated graphics.

Supports Intel® Core™ Ultra Processors (Series 2), LGA 1851 socket
Memory compatibility and supported speeds vary depending on CPU and memory configuration; refer to Memory Compatibility List on Support page
Onboard graphics outputs and resolutions available only on processors featuring integrated graphics

What's in the box

Product and box image shows included Wi‑Fi antenna and cable (accessories)

Frequently asked questions

Does this board support Intel LGA 1851 Core Ultra (Series 2) CPUs?

Yes. The PRO B860M-A WIFI supports Intel® Core™ Ultra Processors (Series 2) using the LGA 1851 socket.

What maximum DDR5 memory speed and capacity are supported?

The board has 4 DDR5 UDIMM slots and supports up to 256GB total. Supported speeds include 8800 - 6400 (OC) MT/s and 6400 - 4800 (JEDEC) MT/s, with specific max overclocking speeds varying by population configuration.

How many M.2 slots and which PCIe generations do they use?

There are three M.2 slots: M.2_1 from CPU supports up to PCIe 5.0 x4 (2280/2260/2242), M.2_2 from chipset supports up to PCIe 4.0 x4 (2280/2260), and M.2_3 from chipset supports up to PCIe 4.0 x2 (2280).

Does the board include Wi‑Fi and which standard is provided?

Yes. An Intel® Wi‑Fi 7 module is pre-installed in the M.2 Key-E slot and it supports MU‑MIMO TX/RX, 2.4GHz/5GHz/6GHz (320MHz) up to 5.8Gbps and Bluetooth® 5.4.

Is Thunderbolt available on the rear I/O and what speeds/charging does it support?

Yes. The rear Thunderbolt 4 Type-C port supports up to 40Gbps with Thunderbolt devices, lower speeds with USB4/USB3.2 devices, and provides up to 5V/3A (15W) power charging. Each port can daisy-chain multiple Thunderbolt devices and supports up to 8K display.

What rear LAN speed is provided?

The board provides Realtek® 8126 5Gbps LAN on the rear I/O.

What is the board form factor and exact dimensions for case compatibility?

The PRO B860M-A WIFI is mATX with dimensions 243.84mm x 243.84mm.

Are M.2 heatsink or installation restrictions documented in the manual?

M.2 installation details are noted by the presence of EZ M.2 Shield Frozr II for tool-less M.2 installation/removal; consult the manual or support page for full installation guidance.

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Specifications

Brand	MSI
Category	Motherboard
Model Name	PRO B860M-A WIFI
Chipset	INTEL B860
CPU	Supports Intel® Core™ Ultra Processors (Series 2)
CPU Socket	LGA 1851
Memory	4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support	8800 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s
Max. overclocking	1DPC 1R Max speed up to 8800+ MT/s; 1DPC 2R Max speed up to 7200+ MT/s; 2DPC 1R Max speed up to 6400+ MT/s; 2DPC 2R Max speed up to 5600+ MT/s
Onboard Graphics (display outputs)	1x HDMI™ (Support HDMI™ 2.1, maximum resolution of 4K 60Hz); 1x DisplayPort (Support DisplayPort 1.4, maximum resolution of 4K 60Hz); 1x Type-C DisplayPort (Thunderbolt™ 4 port, supporting DisplayPort 2.1 with UHBR20 over USB Type-C, with a maximum resolution of 4K@120Hz / 8K@60Hz*)
PCIe Slots / Expansion	PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 4.0 supports up to x1 (From Chipset); PCI_E4 Gen PCIe 4.0 supports up to x4 (From Chipset) — 4x PCI-E x16 slot (as listed)
Audio	Realtek® ALC897 Codec; 7.1-Channel High Definition Audio
Storage (M.2 & SATA)	3x M.2 (M.2_1 From CPU supports up to PCIe 5.0 x4, supports 2280/2260/2242; M.2_2 From Chipset supports up to PCIe 4.0 x4, supports 2280/2260; M.2_3 From Chipset supports up to PCIe 4.0 x2, supports 2280); 4x SATA 6G (4x SATA 6Gbps)
RAID	Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Onboard Thunderbolt	1x Thunderbolt4 ports (Rear) — Supports up to 40Gbps with Thunderbolt devices; up to 20Gbps with USB4 devices; up to 10Gbps with USB 3.2 devices; Supports up to 5V/3A,15W power charging; Each port can daisy-chain up to three Thunderbolt 4 devices or five Thunderbolt 3 devices; Supports up to 8K display
USB (internal & rear/front counts)	2x USB 2.0 (Rear); 4x USB 2.0 (Front); 2x USB 5Gbps Type A (Rear); 1x USB 5Gbps Type C (Rear); 4x USB 5Gbps Type A (Front); 1x USB 10Gbps Type A (Rear); 1x USB 10Gbps Type C (Front) — (datasheet table lists USB totals as 2 x USB 10Gbps (1 Type-A + 1 Type-C), 7 x USB 5Gbps (6 Type-A + 1 Type-C), 6 x USB 2.0)
LAN	Realtek® 8126 5Gbps LAN
Wireless LAN & Bluetooth	Intel® Wi-Fi 7; 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
LED Feature	4x EZ Debug LED; 1x EZ Memory Detection LED
Internal I/O headers	1x Thunderbolt5 card connector (JTBT5, support RTD3); 1x Power Connector (ATX_PWR); 2x Power Connector (CPU_PWR); 1x Power Connector (PCIE_PWR 8pin); 1x CPU Fan; 1x Combo Fan (Pump_Sys Fan); 3x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Com Port (JCOM); 1x Tuning Controller connector (JDASH); 2x Addressable V2 RGB LED connector (JARGB_V2); 1x RGB LED connector (JRGB); 1x TPM pin header (Support TPM 2.0)
Back Panel Ports (items listed)	1. DisplayPort; 2. Keyboard / Mouse; 3. USB 5Gbps Type-A; 4. 5G LAN; 5. Wi‑Fi / Bluetooth; 6. Audio Connectors; 7. HDMI™; 8. Thunderbolt™ 4 40Gbps (Type-C); 9. USB 2.0; 10. Clear CMOS Button; 11. USB 10Gbps Type-A; 12. USB 5Gbps Type-C
Operating System Support	Support for Windows® 11 64-bit
PCB Info / Form Factor	mATX 243.84mm x 243.84mm
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