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MSI S1851 ATX B860-P WIFI DDR5 Motherboard

Web ID: 44521

CPU Socket: Intel 1851 (Series 2)
Form Factor: ATX
Chipset: Intel B860
Memory Type: DDR5
WiFi Standard: Wi-Fi 7
Bluetooth: Bluetooth || Ver 5.4
PCIe Size: PCIe x16
Storage Interface: M.2 PCIe || SATA
LAN Speed: LAN || 5 Gigabit
Audio: 7.1 Channel
Video Interface: Thunderbolt 4 || HDMI || DisplayPort
USB: USB 3.2 Type-A || USB 2.0
ONLY WHILE STOCKS LAST!
Manufacturer Warranty: 3 Year
Manufacturer PN: PRO B860-P WIFI
Manufacturer Website

$309 

Business Elegance

The PRO B860-P WIFI is a creation-oriented ATX motherboard with a 12 Duet Rail Power System, constructed around the latest Intel B860 chipset which supports Intel Core Ultra Processors (Series 2), featuring PCIe 5.0, 5G LAN, Wi-Fi 7, DDR5 and Frozr design that delivers the capacity to support a broad spectrum of both cutting-edge and innovative hardware.

msi s1851 atx b860-p wifi ddr5 motherboard

Supports Intel Core Ultra Processors (Series 2)

The PRO B860-P WIFI motherboard supports Intel Core Ultra Processors (Series 2).

  • Form Factor: ATX
  • Socket Type: LGA 1851
  • Chipset: Intel B860
msi s1851 atx b860-p wifi ddr5 motherboard

Ultra Power - 12 Duet Rail Power System with P-PAK

With exclusive Core Boost technology and EZ OC Tuning functions, the PRO B860-P WIFI is able to sustain heavy CPU power loads to support system-demanding settings:

  • Digital PWM IC
  • 12 Duet Rail Power System (P-PAK)
  • 1-Phase SA Power
  • 1-Phase GT Power
  • 1-Phase VNNAON Power
msi s1851 atx b860-p wifi ddr5 motherboard

Frozr Design

Frozr Guard: Extended Heatsink design, 7W/mK MOSFET thermal pads, extra choke thermal pads and EZ M.2 Shield Frozr II for improved thermal dissipation.

Frozr Sync: Connect and synchronize cooling with strategically placed pin-headers - including CPU fan header (2A), Combo fan (3A, supports both pump fan and system fan) and system fans.

Frozr Control: Manage speeds and temperature for all fans of your system in MSI Center with Cooling Wizard and Frozr AI Cooling.

msi s1851 atx b860-p wifi ddr5 motherboard

4 x DDR5 Dual Channel (8600+ MT/s OC)*

Memory Boost: A fully-isolated DDR circuit delivers pure data signals for optimal overclocking performance.

XMP Profiles in the MSI BIOS are MSI OC LAB optimized and can be easily enabled with auto power settings for optimized memory speed and stability.

*1DPC 1R Max. overclocking frequency 8600+ MT/s, supports Intel XMP.

msi s1851 atx b860-p wifi ddr5 motherboard

Fortified PCIe 5.0 x16 Slot

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. When every advantage counts, Steel Armor also shields the point of contact from electromagnetic interference.

  • 1 x PCIe 5.0/4.0/3.0 x16 slot* (with Steel Armor** and EZ PCIe Clip II)
  • 1 x PCIe 4.0/3.0 x16 slot*
  • 2 x PCIe 4.0/3.0 x1 slots

*Support x16/x4

**MSI Surface Mount Technology (SMT) solder welding improves signal clarity.

msi s1851 atx b860-p wifi ddr5 motherboard

Gen5 M.2 Connector

The PRO B860-P WIFI motherboard features MSI's M.2 slots:

  • 1 x Gen5 x4 128Gbps slot (with EZ M.2 Shield Frozr II)
  • 1 x Gen4 x4 64Gbps slot
  • 1 x Gen4 x2 32Gbps slot
msi s1851 atx b860-p wifi ddr5 motherboard

EZ DIY

The DIY Friendly designs optimize the assemble process and experience.

EZ PCIe Clip II: Allows for easy removal of the graphics card by pressing the tail-like lock with one finger, even in the cramped case spaces.

EZ M.2 Shield Frozr II: MSI patented Shield Frozr cover features a tool-free design so users don't have to worry about lost screws or overtightening.

EZ M.2 Clip II: Install or remove the SSD with a simple push of the latch, without using any screws.

EZ Antenna: MSI's latest Wi-Fi antenna not only boasts a beautiful appearance but also features a magnetic design, making it easier to adjust the antenna's placement.

msi s1851 atx b860-p wifi ddr5 motherboard

Ultra Connect

5G LAN: A Realtek 5Gbps LAN controller delivers a premium network experience.

Wi-Fi 7: Features the full-speed Wi-Fi 7 solution (ultra-low latency, high-bandwidth) & Bluetooth 5.4 technology.

Thunderbolt 4 Type-C: Connect to devices and transfer files at high bandwidth rates: 40Gbps, with 8K display support*.

*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Chipset INTEL B860
CPU Supports Intel® Core™ Ultra Processors (Series 2)
LGA 1851
Memory 4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support 8800 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s
Max. overclocking frequency:
• 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

Supports Intel® POR Speed and JEDEC Speed
Supports Memory Overclocking and Intel® XMP 3.0
Supports Dual-Controller Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM

• The DIMM slots on this motherboard only have single-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/.
Onboard Graphics 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*
*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Slot 4x PCI-E x16 slot
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 x4 (From Chipset)
PCI_E4 Gen PCIe 4.0 supports up to x1 (From Chipset)
Audio Realtek® ALC897 Codec
7.1-Channel High Definition Audio
Storage 3x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260/2242 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devices
4x SATA 6G

*Please refer to the manual for M.2 SSD heatsink restrictions.
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 transfer rate with Thunderbolt devices
Supports up to 20Gbps transfer rate with USB4 devices
Supports up to 10Gbps transfer rate 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 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type A (Rear)
4x USB 5Gbps Type A (Front)
2x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Front)
LAN Realtek® 8126 5Gbps LAN
Internal IO 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)
4x 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)
4x USB 2.0 ports
4x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
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**, 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.
LED FEATURE 4x EZ Debug LED
BACK PANEL PORTS
  1. DisplayPort
  2. USB 2.0
  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 10Gbps Type-A
  10. Clear CMOS Button
OPERATING SYSTEM Support for Windows® 11 64-bit
BOX CONTENT
PCB Info ATX
243.84mmx304.8mm