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ATX motherboard with silver heatsinks and black PCB

GIGABYTE Open box

GIGABYTE B850 AORUS STEALTH AMD motherboard, AM5, DDR5, four M.2, PCIe 5.0, USB-C, WIFI7

SKU CH-57S8-X93GA MPN B850 AORUS STEALTH

ATX board for AM5 Ryzen CPUs with four DDR5 slots up to 256 GB, one PCIe 5.0 x16 slot, four M.2 sockets, 5 GbE LAN and WIFI7

  • ProcessorRyzen 9000 Series, Ryzen 8000 Series, Ryzen 7000 Series
  • ChipsetAMD B850
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupport for DDR5 8200(O.C) / 8000(O.C) / 7950(O.C) / 7900(O.
  • Supports Ryzen 9000, 8000 and 7000 series CPUs on AM5 socket
  • Four M.2 slots accept PCIe 5.0 and 4.0 drives for fast storage
  • 5 GbE LAN plus WIFI7 give high-speed wired and wireless networking
  • DDR5 memory overclocks to 8200 MT/s with AMD EXPO profiles
  • 14+2+2 phase digital VRM delivers stable power for high-end processors

AM5 Platform for Ryzen 9000 8000 7000 Series

The GIGABYTE B850 AORUS STEALTH is an ATX motherboard built for AMD Socket AM5 processors. It accepts Ryzen 9000 Series, Ryzen 8000 Series and Ryzen 7000 Series CPUs. The board targets enthusiasts who want high-speed DDR5 memory and extensive M.2 storage in a standard form factor.

256GB Dual Channel DDR5 up to 8200MT/s

Four 288-pin slots support up to 256GB of dual-channel DDR5 with AMD EXPO and Intel XMP profiles. Speeds range from 4400 to 8200MT/s when overclocked. Four M.2 sockets accept PCIe 5.0 x4 and PCIe 4.0 x4 drives, while two SATA 6Gb/s ports handle additional storage. RAID 0 1 5 10 is available for NVMe on Ryzen 9000 Series, with RAID 0 1 for SATA.

PCIe 5.0 x16 Graphics Slot 5GbE LAN and WIFI7

A single PCI Express 5.0 x16 slot runs at full width with Ryzen 9000 and 7000 Series, dropping to x8 or x4 with Ryzen 8000 Series. The slot supports a graphics card or an NVMe SSD. Networking uses a Realtek 5GbE controller plus WIFI7. Audio is handled by a Realtek ALC1220 codec with 2 4 5.1 7.1-channel output.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $178.99
Cheaper than about 57% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameGIGABYTE
Product lineAORUS
Model nameB850 AORUS STEALTH
Processor
ProcessorRyzen 9000 Series, Ryzen 8000 Series, Ryzen 7000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupport for DDR5 8200(O.C) / 8000(O.C) / 7950(O.C) / 7900(O.C) / 7800(O.C) / 7600(O.C.) / 7400(O.C.) / 7200(O.C.) / 7000(O.C.) / 6800(O.C.) / 6600(O.C.) / 6400(O.C) / 6200(O.C) / 6000(O.C) / 5800(O.C) / 5600(O.C) / 5200 / 4800 / 4400 MT/s memory modules.
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesAMD EXPO / Intel XMP
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
M.2 slots4 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4)
SATA and RAID supportRAID 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
Audio & video
Audio chipRealtek ALC1220
Connectivity
Ethernet controllerRealtek 5GbE
Maximum network speed5 Gbit/s
Wi-Fi standardRealtek Wi-Fi 7 RTL8922AE
WIFI a, b, g, n, ac, ax, supporting 2.4/5/6 GHz carrier frequency bands
Bluetooth support5.4
Ports & slots
Rear panel ports1 x HDMI port (Note)
2 x antenna connectors (2T2R)
1 x USB Type-C header, with USB 3.2 Gen 2 support
2 x USB 3.2 Gen 2 Type-A ports (red)
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
1 x optical S/PDIF Out connector
2 x audio jacks
(Note) Actual support may vary by CPU.
HDMI ports1 x HDMI
Audio jacks2 Ports
Onboard USB headers1 x USB Type-C® header, with USB 3.2 Gen 2 × 2 + 1 x USB 3.2 Gen 1 header + 2 x USB 2.0/1.1 headers
Size & build
Form factorATX
Width and length30.5 cm × 24.4 cm
Shipping weight3.63 kg
Package size338 × 312 × 94 mm
Compatibility
Windows 11 supportSupported
More details
LightingRGB
BIOS1 × 512 Mbit flash
Use of licensed AMI UEFI BIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Questions about this item

Will my existing DDR5 6000 MT/s modules run at rated speed on the B850 AORUS STEALTH?

The board supports DDR5 speeds from 4400 up to 8200 MT/s with overclocking, so 6000 MT/s modules will operate at their rated frequency when AMD EXPO or Intel XMP profiles are enabled in BIOS.

How can I confirm the PCIe 5.0 x16 slot is running at full speed after installing a Ryzen 9000 CPU and graphics card?

With a Ryzen 9000 or 7000 series processor the PCIEX16 slot operates in PCIe 5.0 x16 mode; verify the link width and generation in GPU-Z or the motherboard BIOS hardware monitor.

What comes in the box with the B850 AORUS STEALTH and which key items must I purchase separately?

The motherboard includes the ATX board, I/O shield, SATA cables, M.2 screws and driver disc; you must buy a compatible AM5 CPU, DDR5 memory, storage drives and a graphics card separately.

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