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ATX motherboard in dark finish with rear I/O shield and multiple M.2 heatsinks

GIGABYTE

GIGABYTE B850 AORUS STEALTH AMD motherboard

SKU CH-YN95-ME2FY MPN B850 AORUS STEALTH

An AMD AM5 ATX board with four M.2 slots, PCIe 5.0 graphics support, Wi-Fi 7 and 5GbE LAN

  • 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.

Model B850 AORUS STEALTH

  • X3D Turbo Mode lifts gaming frames up to 18%
  • DDR5 overclocking reaches 8200 MT/s on four DIMM slots
  • 14+2+2 phase digital VRM feeds high-end Ryzen CPUs
  • Four M.2 sockets accept PCIe 5.0 and 4.0 x4 drives
  • Realtek 5GbE LAN plus WIFI7 keeps network latency low

AM5 Platform for Ryzen 7000 8000 9000

This ATX motherboard uses the AMD B850 chipset and AM5 socket to support Ryzen 7000 8000 and 9000 series processors. Four DDR5 slots accept up to 256GB of unbuffered non-ECC memory running at speeds up to 8200MT/s through AMD EXPO profiles. A digital twin 14 plus 2 plus 2 phase VRM delivers stable power for high core count CPUs.

Build Integration With Four M.2 And PCIe 5.0

One CPU linked PCIe 5.0 x16 slot handles graphics cards at full bandwidth with Ryzen 9000 and 7000 chips while Ryzen 8000 series runs at PCIe 4.0 x8. Four M.2 connectors support both PCIe 5.0 x4 and PCIe 4.0 x4 drives and the exclusive M.2 EZ-Flex baseplate adds flexible heat dissipation without blocking large coolers. Two SATA 6Gbps ports remain for legacy storage and RAID 0 1 5 10 is available for NVMe arrays.

WIFI7 5GbE LAN And Realtek ALC1220 Audio

Onboard WIFI7 and a Realtek 5GbE controller provide high speed wired and wireless networking without extra cards. The Realtek ALC1220 codec drives 2 4 5.1 or 7.1 channel audio with software configurable jack retasking. DriverBIOS pre installs the Wi-Fi driver so the network is active immediately after first power on. X3D Turbo Mode and the upcoming AORUS AI SNATCH feature apply one click BIOS optimisations for gaming frame rate gains.

How it compares

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

Price $202.99
Typical for this category: the median of 1,906 items is $224.49.

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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

Other versions of this model

5 more in the same range

Questions about this item

Will this board fit in a standard ATX case without blocking front-panel headers or cable routing?

The STEALTH layout moves all connectors to the rear edge, so front-panel headers, power cables and SATA ports stay clear in any ATX chassis.

Which Ryzen processors can run the PCIe 5.0 x16 slot at full speed?

Ryzen 9000 and 7000 series CPUs enable PCIe 5.0 x16; Ryzen 8000 series CPUs run the slot at PCIe 4.0 x8.

What DDR5 memory speeds are officially supported and how much capacity can I install?

The board supports DDR5 speeds from 5600 up to 8200 MT/s when overclocked via EXPO or XMP, with a maximum capacity of 256 GB across four slots.

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