MSI H270 Tomahawk Arctic LGA1151 specs

Supports 6th/7th-Gen Intel Core i3/i5/i7 processors along with Intel Pentium and Celeron processors for Socket LGA1151

Intel H270 Chipset

4 x DDR4 memory slots support up to 64 GB
Supports DDR4 2400/2133 MHz (7th-generation) or 2133 MHz (6th-generation)
Dual-channel memory architecture
Supports Intel Extreme Memory Profile (XMP)

3 x PCIe 3.0 x16 (support x16/x4/x1 modes)
3 x PCIe 3.0 x1

HDMI port, supports a maximum resolution of 4096 x 2160 @ 30 Hz (7th Gen. CPU), 4096 x 2160 @ 24 Hz (6th Gen. CPU), 2560 x 1600 @ 60 Hz
DVI-D port, supports a maximum resolution of 1920 x 1200 @ 60 Hz
2-Way AMD Crossfire

Realtek ALC892 Codec

6 x SATA 6 Gb/s connectors
2 x M.2 slots (Key M, support PCIe 3.0 x4 and SATA 6 Gb/s)
M2_1 slot supports 2242/2260/2280/22110 storage devices
M2_2 slot supports 2242/2260/2280 storage devices
Intel Optane Memory Ready for all M.2 slots
Supports Intel Smart Response Technology

Intel H270 Chipset
Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 PCIe storage devices

1 x 24-pin ATX main power connector
1 x 8-pin ATX 12 V power connector
2 x USB 2.0 connectors (support additional 4 USB 2.0 ports)
2 x USB 3.0 connector (support additional 4 USB 3.0 ports)
1 x 4-pin CPU fan connector
1 x 4-pin water pump fan connector
4 x 4-pin system fan connectors
1 x Front panel audio connector
2 x Front panel connectors
1 x RGB LED connector
1 x TPM module connector
1 x Chassis Intrusion connector
1 x Serial port connector
1 x Parallel port connector
1 x Clear CMOS jumper

1 x HDMI
1 x DVI-D
1 x PS/2 combo
1 x USB 3.1 Type-A (10 Gb/s speeds)
1 x USB 3.1 Type-C (10 Gb/s speeds)
4 x USB 3.0
2 x USB 2.0
1 x Intel I219-V Gigabit Ethernet
5 x OFC audio
1 x S/PDIF optical

ATX

12.0 x 9.6" / 30.5 x 24.4 cm