Buy MSI MAG B660 Tomahawk WIFI DDR4 Motherboard

12TH GEN CORE, DEPENDABLE PERFORMANCE – The PRO B660M-A DDR4 (mATX) employs a fully digital power design VRM platform for the Intel B660 chipset (LGA 1700, 12th Gen Core ready) with Core Boost architecture for high CPU core count power demands

  • SMART COOLING – VRM cooling includes 7W/mK thermal pads, heatsinks & active Frozr AI CPU & GPU responsive cooling; Other thermal management features include M.2 Shield Frozr, a dedicated pump-fan cooling header & 6-layer PCB with 2 oz. thickened copper
  • DDR4 MEMORY, PCIe 4.0 & 3.0 x16 SLOTS – 4 x DDR4 DIMM slots with Memory Boost isolated circuitry for overclocking (1DPC 1R, 4800+ MHz); A PCIe 4.0 x16 Steel Armor slot supports the primary graphics card with a secondary PCIe 3.0 x16 slot available
  • DUAL M.2 CONNECTORS – Storage includes 2 x M.2 Gen4 x4 64Gb/s slots (Intel Optane supported) with Shield Frozr (M2_1) to prevent thermal throttling during hyper-fast SSD access
  • 5G CONNECTIVITY – Network hardware includes a 2.5Gbps LAN controller; Rear ports include USB 3.2 Gen 2 Type-A (10Gbps), HDMI 2.1 & DisplayPort 1.4, and 7.1 HD Audio with Audio Boost


Brand ‎MSI
Manufacturer ‎MSI COMPUTER, Micro-Star INT’L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan
Model ‎PROB660M-ADDR4
Model Name ‎PRO B660M-A DDR4
Model Year ‎2022
Product Dimensions ‎24.38 x 24.38 x 6.35 cm; 1 Kilograms
Item model number ‎PROB660M-ADDR4
Memory Storage Capacity ‎128 GB
Memory Slots Available ‎4
Maximum Memory Supported ‎128 GB
Ram Memory Technology ‎DDR4
Processor Type ‎Pentium
Processor Socket ‎LGA 1700
Hardware Interface ‎USB
Graphics Card Interface ‎PCI-Express x16
Compatible Devices ‎Personal Computer
Number Of Items ‎1
Batteries Included ‎No
Batteries Required ‎No
Manufacturer ‎MSI COMPUTER
Country of Origin ‎China
Item Weight ‎1 kg


MSI MAG B660 Tomahawk WIFI DDR4 Motherboard

Supports 12th Gen Intel® Core™, Pentium® Gold, and Celeron® processors for LGA 1700 socket

Supports DDR4 Memory, up to 4800+(OC) MHz

Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr is built for a high-performance system and non-stop works


2.5G LAN and Intel Wi-Fi Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable, and fast network connection

Lightning M.2: Running at PCIe Gen 4 maximizes performance for NVMe based SSDs

Lightning USB 20G: Built-in USB 3.2 Gen 2×2 port, offers 20Gbps transmission speed, 4X faster than USB 3.2 Gen 1

AUDIO BOOST: Reward your ears with studio grade sound quality for the most immersive gaming experience

Multi-GPU: With Steel armor PCIe slots. Supports AMD Crossfire™



Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron®
processors 1 Processor socket LGA1700


Intel® B660 Chipset


4x DDR4 memory slots, support up to 128GB 1
Supports 1R 2133 / 2666 / 3200 MHz (by JEDEC & POR)
Max overclocking frequency:
aTX Form Factor
1DPC 2R Max speed up to 4000+ MHz
2DPC 1R Max speed up to 4000+ MHz
2DPC 2R Max speed up to 3600+ MHz
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Intel® Extreme Memory Profile (XMP)

Expansion Slot

2x PCIe x16 slots
PCI_E1 (From CPU)
Support up to PCIe 4.0
PCI_E2 (From B660 chipset)
Support up to PCIe 3.0 x4
1x PCIe 3.0 x1 slot (From B660 chipset)


Supports AMD® CrossFire™ Technology

Onboard Graphics

1x HDMI 2.1 with HDR port, supports a maximum resolution of 4K 60Hz 1 / 2
1x DisplayPort 1.4 port with HBR3, supports a maximum resolution of 4K 60Hz
1 / 2 Available only on processors featuring integrated graphics.
Graphics specifications may vary depending on the CPU installed.


6x SATA 6Gb/s ports
SATA5~8 (From B660 chipset)
SATAA~B (From ASM1061)
3x M.2 slots (Key M)
M2_1 slot (From CPU)
Supports up to PCIe 4.0 x4
Supports 2242/ 2260/ 2280/ 22110 storage devices
M2_2 & M2_3 slots (From B660 chipset)
M2_2 supports up to PCIe 4.0 x4
M2_3 supports up to PCIe 4.0 x2 1
Supports SATA up to 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
Intel® Optane™ Memory
Supports Intel® Smart Response Technology for Intel Core™ processors
SATA7 will be unavailable when installing M.2 SATA SSD in the M2_3 slot.


Supports RAID 0, RAID 1, RAID 5, and RAID 10 for SATA storage devices 1
SATAA & SATAB do not support RAID function.


Intel® B660 Chipset
1x USB3.2 Gen 2×2 20Gbps port (Type-C port on the back panel)
5x USB 3.2 Gen 2 10Gbps ports (4 Type-A ports on the back panel, 1 Type-C available through the internal connector)
2x USB 3.2 Gen 1 5Gbps Type-A ports available through the internal connector
8x USB 2.0 ports (4 Type-A ports on the back panel, 4 Type-A ports available through the internal connectors)


Realtek® ALC1220P Codec
7.1-Channel High Definition Audio
Supports S/PDIF output


1x Realtek® RTL8125B-CG 2.5Gbps LAN controller

Wireless LAN & Bluetooth®

Intel® Wi-Fi 6
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ up to 2.4Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax
Supports Bluetooth® 5.2

Internal connectors

1x 24-pin ATX main power connector
2x 8-pin ATX 12V power connectors
6x SATA 6Gb/s connectors
3x M.2 slots (M-Key)
1x USB 3.2 Gen 2 10Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
5x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x Clear CMOS jumper
1x TPM module connector
1x TBT connector (supports RTD3)
1x Tuning Controller connector

LED Feature

1x EZ LED Control switch
2x 4-pin RGB LED connectors
2x 3-pin RAINBOW LED connectors
4x EZ Debug LED

Back panel ports

USB 2.0 Port
DisplayPort 1.4
2.5G LAN Por
Wi-Fi / Bluetooth Antenna
HD Audio Connectors
HDMI 2.1 Port
USB 3.2 Gen 2 10Gbps Type-A
USB 3.2 Gen 2×2 20Gbps Type-C
Optical S/PDIF OUT


ATX Form Factor
12 in. x 9.6 in. (30.5 cm x 24.4 cm)


3 Years


*** Features, Prices, and Specifications are subject to change without notice.

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