GIGABYTE B550M DS3H AC (rev. 1.4)

Chipset: AMD B550

Size format: Micro ATX (244x244mm) Support for processors: AMD Ryzen™ 5000 Series/Ryzen™ 5000 G-Series/Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processor socket: AM4

Memory:

• 4x DIMM sockets supporting up to 128GB, DDR4 4733(OC)/4600(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600( OC)/3466(OC)/3400(OC)/3200/2933/2667/2400/2133
• dual-channel memory architecture
• support for unbuffered ECC memory modules DIMM 1Rx8/2Rx8
• 1Rx8/2Rx8/1Rx16 unbuffered DIMM memory support without ECC
• support for Extreme Memory Profile (XMP) memory modules

Graphics outputs:

• 1x DVI-D
• 1x HDMI® 2.1
• maximum shared memory 16GB

Sound card: Realtek 7.1 Surround Sound High Definition Audio CODEC

Ethernet: Realtek® GbE LAN WLAN + Bluetooth: WIFI 802.11a,b,g,n,ac + Bluetooth v4.2

Expansion Slots:

• 1x PCI Express x16 (PCIEX16)
• 1x PCI Express x16 (PCIEX4)
• 1x PCI Express x1 (PCIEX1)

RAID controller: support for SATA RAID 0/1/10

Storage space: in total it supports 2 M.2 slots and 4 SATA 6Gb/s ports

• 1x M.2 (M2A_CPU), M key, type 2242/2260/2280/22110 SSD (SATA and PCIe 3.0 x4/x2 support)
• 1x M.2 (M2B_SB), M key, type 2242/2260/2280 SSD (SATA and PCIe 3.0 x2 support)
• 4x SATA 6Gb/s port

USB: Rear USB (total 8 ports)

• 4x USB 3.2 Gen 1
• 4x USB 2.0/1.1

Front USB (total 4 ports)

• 1x USB 3.2 Gen 1 header - support for 2 additional USB 3.2 Gen 1 ports
• 1x USB 2.0 header - support for 2 additional USB 2.0 ports

Rear panel ports:

• 1x PS/2 split for keyboard/mouse
• 1x DVI-D
• 2x SMA antenna connector
• 1x HDMI
• 4x USB 3.2 Gen 1
• 4x USB 2.0/1.1
• 1x RJ-45
• 3x audio jack

Internal ports: Power supply

• 1x 24-pin ATX main power connector
• 1x 8-pin ATX 12V power connector

Fan and cooling related

• 1x CPU fan header
• 2x system fan headers
• 1x CPU cooler LED strip/RGB LED strip header

Repository related

• 2x M.2 slot (Key M)
• 4x SATA 6Gb/s port

USB

• 1x USB 3.2 Gen 1 header
• 1x USB 2.0/1.1 header

Other

• 2x addressable LED header
• 2x RGB LED strip header
• 1x front panel header
• 1x front panel audio header
• 1x Trusted Platform Module (TPM) header (2x 6pin, only for GC-TPM2.0_S module)
• 1x serial port header
• 1x Clear CMOS jumper
• 1x Q-Flash Plus button

BIOS: 1x 128Mb flash, AMI UEFI BIOS

Manufacturer page link: https://www.gigabyte.com/Motherboard/B550M-DS3H-AC-rev-14#kf