Motherboard Comparison

AMD X870

AMD B850

Support for DDR5 8800(OC)/ 8400(OC) / 8200(OC) / 8000(OC) / 7800(OC) / 7600(OC) / 7200(OC) / 7000(OC) / 6800(OC) / 6666(OC) / 6600(OC) / 6400(OC) / 6200(OC) / 6000(OC) / 5600(OC) / 5200 / 4800 / 4400 MT/s memory modules
2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity) of system memory
Dual channel memory architecture
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for AMD EXtended Profiles for Overclocking (AMD EXPO™) and Extreme Memory Profile (XMP) memory modules
(The CPU andmemory configurationmay affect the supportedmemory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Support for DDR5 8800(OC)/ 8400(OC) / 8200(OC) / 8000(OC) / 7800(OC) / 7600(OC) / 7200(OC) / 7000(OC) / 6800(OC) / 6666(OC) / 6600(OC) / 6400(OC) / 6200(OC) / 6000(OC) / 5600(OC) / 5200 / 4800 / 4400 MT/s memory modules
2 x DDR5 DIMM sockets supporting up to 128 GB (64 GB single DIMM capacity) of system memory
Dual channel memory architecture
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for AMD EXtended Profiles for Overclocking (AMD EXPO™) and Extreme Memory Profile (XMP) memory modules
(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Integrated Graphics Processor with AMD Radeon™ Graphics support+ASMedia USB4® Controller:
- 1 x USB4® USB Type-C® port, supporting USB4 and DisplayPort video outputs and a maximum resolution of 3840x2160@240 Hz

* Support for DisplayPort 1.4 version and HDR.

Integrated Graphics Processor with AMD Radeon™ Graphics support:
- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz

* Support for HDMI 2.1 version and HDCP 2.3, and HDR.
** Support for native HDMI 2.1 TMDS compatible ports.

(Graphics specifications may vary depending on CPU support.)

Integrated Graphics Processor with AMD Radeon™ Graphics support:
- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz

* Support for HDMI 2.1 version and HDCP 2.3, and HDR.
** Support for native HDMI 2.1 TMDS compatible ports.

(Graphics specifications may vary depending on CPU support.)

Realtek® Wi-Fi 7 RTL8922AE
- 802.11a, b, g, n, ac, ax, be, supporting 2.4/5/6 GHz carrier frequency bands
- BLUETOOTH 5.4
- Support for 11be 160MHz wireless standard
(Actual data rate may vary depending on environment and equipment.)

* Wi-Fi 7 features require Windows 11 SV3 to function properly. (There is no supportdriver for Windows 10.)
** Wi-Fi 7 channels on 6 GHz band availability depends on individual country's regulations.

Realtek® Wi-Fi 7 RTL8922AE
- 802.11a, b, g, n, ac, ax, be, supporting 2.4/5/6 GHz carrier frequency bands
- BLUETOOTH 5.4
- Support for 11be 160MHz wireless standard
(Actual data rate may vary depending on environment and equipment.)

* Wi-Fi 7 features require Windows 11 SV3 to function properly. (There is no support driver for Windows 10.)
** Wi-Fi 7 channels on 6 GHz band availability depends on individual country's regulations.

1 x PCI Express x16 slot, integrated in the CPU:
AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x16 mode
AMD Ryzen™ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode
AMD Ryzen™ 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode

* The PCIEX16 slot can only support a graphics card or an NVMe SSD.

1 x PCI Express x16 slot, integrated in the CPU:
 AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x16 mode
 AMD Ryzen™ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode
 AMD Ryzen™ 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode

* The PCIEX16 slot can only support a graphics card or an NVMe SSD.

1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x4/x2 SSDs
AMD Ryzen™ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs
AMD Ryzen™ 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs
1 x M.2 connector on the back of the motherboard (M2C_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSDs
2 x SATA 6Gb/s connectors
RAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices

* RAID 5 is only available on AMD Ryzen™ 9000 Series Processors.

RAID 0 and RAID 1 support for SATA storage devices

1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
 AMD Ryzen™ 9000/7000 Series Processors support PCIe 5.0 x4/x2 SSDs
 AMD Ryzen™ 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs
 AMD Ryzen™ 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs
1 x M.2 connector on the back of the motherboard (M2C_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 PCIe 4.0 x4/x2 SSDs
2 x SATA 6Gb/s connectors
RAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices

* RAID 5 is only available on AMD Ryzen™ 9000 Series Processors.

RAID 0 and RAID 1 support for SATA storage devices

CPU+ASMedia USB4® controller:
- 1 x USB4® USB Type-C® port on the back panel
CPU:
- 1 x USB Type-C® port on the back panel, with USB 3.2 Gen 2 support
- 2 x USB 3.2 Gen 2 Type-A ports (red) on the back panel
Chipset:
- 1 x USB Type-C® port with USB 3.2 Gen 2 support, available through the internal USB header
- 4 x USB 3.2 Gen 1 ports (2 ports on the back panel, 2 ports available through the internal USB header)
- 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header)

CPU:
- 1 x USB Type-C® port on the back panel, with USB 3.2 Gen 2 support
- 2 x USB 3.2 Gen 2 Type-A ports (red) on the back panel
Chipset:
- 1 x USB Type-C® port with USB 3.2 Gen 2 support, available through the internal USB header
- 4 x USB 3.2 Gen 1 ports (2 ports on the back panel, 2 ports available through the internal USB header)
- 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header)

1 x Q-Flash Plus button
1 x HDMI port (Note)
2 x antenna connectors (2T2R)
1 x USB4® USB Type-C® port (DisplayPort (Note))
1 x USB Type-C® port, with USB 3.2 Gen 2 support
2 x USB 3.2 Gen 2 Type-A ports (red)
2 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
1 x RJ-45 port
2 x audio jacks
(Note) Actual support may vary by CPU.

1 x Q-Flash Plus button
1 x HDMI port*
2 x antenna connectors (2T2R)
1 x USB Type-C® port, with USB 3.2 Gen 2 support
2 x USB 3.2 Gen 2 Type-A ports (red)
2 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
1 x RJ-45 port
2 x audio jacks

* Actual support may vary by CPU.