Gigabyte B850M DS3H

Name: Gigabyte B850M DS3H
Brand: Gigabyte
SKU: 72497

Manufacturer: Gigabyte

The Gigabyte B850M DS3H is a Micro-ATX motherboard designed around AMD's AM5 platform, pairing the B850 chipset with a compact 244 x 244 mm footprint that suits space-conscious builds without sacrificing core functionality. It ships with dual BIOS, giving users a hardware-level fallback in the event of a failed flash or corrupted firmware, and supports easy overclocking out of the box.

Memory support spans four DDR5 slots across a dual-channel configuration, accommodating up to 256 GB at a standard ceiling of 5200 MHz or up to 8200 MHz with overclocking. Expansion options include one PCIe 5.0 x16 slot and one PCIe x4 slot, while storage connectivity is handled by two M.2 sockets and four SATA 3 ports with full RAID 0, 1, 5, and 10 support. The rear I/O offers USB 3.2 Gen 2 on both Type-A and Type-C, two DisplayPort outputs, one HDMI 2.1, and a single RJ45 port, rounded out by 7.1-channel audio across three audio connectors.

Pros

Dual BIOS provides a hardware-level fallback in case of firmware corruption or a failed update
PCIe 5.0 x16 slot supports the latest generation of graphics cards and high-bandwidth add-in cards
DDR5 memory can be overclocked up to 8200 MHz across four slots with a maximum capacity of 256 GB
Full RAID support across modes 0, 1, 5, and 10 offers flexible storage redundancy and performance configurations
Rear I/O includes both HDMI 2.1 and two DisplayPort outputs, providing three simultaneous display connections
Three-year warranty offers solid long-term coverage

Cons

No Wi-Fi or Bluetooth means wireless connectivity requires a separate add-in card
CMOS reset is not easily accessible, which can complicate BIOS recovery in certain situations
Only two M.2 sockets available, which may limit NVMe storage expansion in more demanding setups
No S/PDIF Out port, restricting digital audio output options for users who rely on optical connections
Lacks USB 4 and Thunderbolt ports, limiting compatibility with the fastest external storage and display devices

Who is this for?

This board is a solid fit for users building a capable AMD Ryzen AM5 desktop in a compact space, particularly those who want DDR5 memory with overclocking headroom up to 8200 MHz without needing a full ATX footprint. The PCIe 5.0 x16 slot makes it well-suited for anyone pairing a current-generation discrete GPU with their build, while the dual BIOS feature appeals to enthusiasts who want a safety net when experimenting with firmware or overclocking settings. Users who need multiple display outputs — such as those running a multi-monitor productivity or creative workstation — will also benefit from the combination of HDMI 2.1 and two DisplayPort connections on the rear I/O.

Who is this NOT for?

This board is not a good match for users who need wireless connectivity built in, as neither Wi-Fi nor Bluetooth is included, making it a poor choice for setups where running ethernet cables is impractical. Those who rely on Thunderbolt or USB 4 for high-speed external devices — such as fast external SSDs, eGPUs, or high-resolution external displays over a single cable — will find the I/O lacking. It is also not suited for server or workstation environments that depend on ECC memory for data integrity, as ECC support is absent entirely.

General info:

CPU socket	AM5
chipset	B850
form factor	Micro-ATX
supports Wi-Fi	✕
Has Bluetooth	✕
HDMI version	HDMI 2.1
Easy to overclock	✓
has RGB lighting	✕
Easy to reset BIOS	✕
Has dual BIOS	✓
CPU sockets	1
Has integrated graphics	✕
warranty period	3 years
height	244 mm
width	244 mm
Has integrated CPU	✕

The Gigabyte B850M DS3H uses an AM5 socket paired with a B850 chipset and is built in the Micro-ATX form factor, measuring 244 x 244 mm. It accommodates a single CPU and carries no integrated processor or integrated graphics. The board supports easy overclocking and features dual BIOS for firmware redundancy, though it does not offer a one-step CMOS reset button. Wireless connectivity is absent, as the board includes neither Wi-Fi nor Bluetooth, and there is no RGB lighting. Video output is available via HDMI 2.1, and the board comes with a three-year warranty.

Memory:

maximum memory amount	256GB
RAM speed (max)	5200 MHz
overclocked RAM speed	8200 MHz
memory slots	4
DDR memory version	5
memory channels	2
Supports ECC memory	✕

The board features four DDR5 memory slots arranged in a dual-channel configuration, with a maximum supported capacity of 256 GB. Standard operation tops out at 5200 MHz, while overclocking can push speeds up to 8200 MHz for users looking to extract additional memory performance. ECC memory is not supported.

Ports:

USB 3.2 Gen 2 ports (USB-A)	1
USB 3.2 Gen 1 ports (USB-A)	2
USB 3.2 Gen 2 ports (USB-C)	1
USB 3.2 Gen 1 ports (USB-C)	0
USB 2.0 ports	0
USB 3.2 Gen 2x2 ports	0
USB 4 40Gbps ports	0
USB 4 20Gbps ports	0
Thunderbolt 4 ports	0
Thunderbolt 3 ports	0
has an HDMI output	✓
DisplayPort outputs	2
RJ45 ports	1
Has USB Type-C	✓
eSATA ports	0
DVI outputs	0
has a VGA connector	✕
PS/2 ports	1

The rear I/O panel provides a total of four USB ports: one USB 3.2 Gen 2 Type-A, two USB 3.2 Gen 1 Type-A, and one USB 3.2 Gen 2 Type-C, with no USB 2.0, Gen 1 Type-C, Gen 2x2, USB 4, Thunderbolt 3, or Thunderbolt 4 ports present. Video output is covered by one HDMI port and two DisplayPort outputs, while VGA and DVI are not available. Networking is handled by a single RJ45 port, and there is also one legacy PS/2 port for compatible peripherals; eSATA is not included.

Connectors:

USB 3.2 Gen 1 ports (through expansion)	2
USB-C 3.2 Gen 2 ports (through expansion)	1
USB 2.0 ports (through expansion)	4
SATA 3 connectors	4
fan headers	4
USB 3.0 ports (through expansion)	2
M.2 sockets	2
Has TPM connector	✓
U.2 sockets	0
Has mSATA connector	✕
SATA 2 connectors	0

For internal connectivity, the board includes two M.2 sockets and four SATA 3 connectors for storage, with no SATA 2, U.2, or mSATA options available. Front-panel USB expansion is well-covered, offering two USB 3.2 Gen 1 headers, two additional USB 3.0 headers, one USB-C 3.2 Gen 2 header, and four USB 2.0 expansion ports. Cooling is managed through four fan headers, and a TPM connector is present for security module support.

Expansion slots:

PCIe 4.0 x16 slots	0
PCIe 5.0 x16 slots	1
PCIe 3.0 x16 slots	0
PCIe x1 slots	0
PCI slots	0
PCIe 2.0 x16 slots	0
PCIe x4 slots	1
PCIe x8 slots	0

The board offers two expansion slots in total: one PCIe 5.0 x16 slot for a primary graphics card or high-bandwidth add-in card, and one PCIe x4 slot for additional expansion needs. No PCIe 4.0, 3.0, 2.0, x16, x8, or x1 slots are present, and there are no legacy PCI slots.

Audio:

audio channels	7.1
Has S/PDIF Out port	✕
audio connectors	3

The board supports 7.1-channel audio output through three analog audio connectors on the rear I/O. A S/PDIF Out port is not included.

Storage:

Supports RAID 1	✓
Supports RAID 10 (1+0)	✓
Supports RAID 5	✓
Supports RAID 0	✓
Supports RAID 0+1	✕

The board supports four RAID configurations: RAID 0, 1, 5, and 10 (1+0), covering a range of performance and redundancy setups. RAID 0+1 is not supported.

Final Verdict

The Gigabyte B850M DS3H delivers a focused and capable package for builders working within the Micro-ATX form factor on the AM5 platform. Its support for DDR5 overclocking up to 8200 MHz, a PCIe 5.0 x16 slot, and a comprehensive set of display outputs make it a practical choice for desktop builds that demand modern performance without occupying full ATX real estate. The dual BIOS and broad RAID support add a layer of reliability that extends the board's appeal beyond casual users. That said, the absence of wireless connectivity and Thunderbolt limits its versatility in certain configurations. Overall, the B850M DS3H is a well-specified Micro-ATX motherboard that serves the needs of mainstream desktop builders and moderate enthusiasts looking to build a future-capable AM5 system with room to push memory performance.