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White ATX motherboard with rear-mounted connectors and silver heatsinks

GIGABYTE

GIGABYTE B850 AORUS STEALTH ICE AMD motherboard

SKU CH-Q1TK-1VZFP MPN B850 AORUS STEALTH ICE

ATX board for AM5 Ryzen CPUs with four DDR5 slots up to 8200 MT/s, four M.2 sockets, PCIe 5.0 graphics slot, 5GbE LAN and WIFI7

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5200 / DDR5 5600 / DDR5 5800 /
  • Maximum Memory Supported256GB
  • X3D Turbo Mode boosts gaming FPS up to 18% with one click
  • DDR5 memory overclocks to 8200 MT/s for faster data throughput
  • Digital twin 14+2+2 phase VRM delivers stable power to Ryzen 9000, 8000 and 7000 CPUs
  • Four M.2 slots including PCIe 5.0 and 4.0 support high-speed 2280 and 2580 SSDs
  • Wi-Fi 7 and 5 Gbps LAN provide low-latency wired and wireless connectivity

AM5 motherboard for Ryzen 7000, 8000 and 9000 series

The GIGABYTE B850 AORUS STEALTH ICE is an ATX board built around the AMD B850 chipset and the AM5 socket. It accepts Ryzen 7000, 8000 and 9000 series processors and provides four DDR5 slots with EXPO support up to 8200 MT/s and a 256 GB maximum capacity. A 14+2+2 phase digital VRM and an M.2 EZ-Flex heatsink handle sustained loads while keeping cable routing clean.

Builders who want rear-mounted connectors

This board suits DIY builders who prefer a stealth layout with all primary headers facing the rear of the case for tidier cable management. It includes Wi-Fi 7 (802.11 be) and 5 GbE LAN for high-speed networking. Users needing more than two SATA 6 Gb/s ports, legacy PCI slots or a smaller form factor such as micro-ATX should look at alternative models.

Straightforward ATX installation

Installation follows standard ATX mounting; the rear I/O shield is integrated and the EZ-Latch mechanisms on the PCIe 5.0 x16 slot and M.2 connectors allow tool-free device swaps. The second x16 slot runs at PCIe 4.0 x4 and shares bandwidth with the M2D_SB M.2 connector, so populating that M.2 slot disables the second graphics slot — plan the drive layout before fitting the board.

Highlights

  • X3D Turbo Mode boosts gaming FPS up to 18% with one click
  • DDR5 memory overclocks to 8200 MT/s for faster data throughput
  • Digital twin 14+2+2 phase VRM delivers stable power to Ryzen 9000, 8000 and 7000 CPUs
  • Four M.2 slots including PCIe 5.0 and 4.0 support high-speed 2280 and 2580 SSDs
  • Wi-Fi 7 and 5 Gbps LAN provide low-latency wired and wireless connectivity

Specifications

BrandGIGABYTE
ModelB850 AORUS STEALTH ICE
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400 / DDR5 4800 / DDR5 5200 / DDR5 5600 / DDR5 5800 / DDR5 6000 / DDR5 6200 / DDR5 6400 / DDR5 6600 / DDR5 6800 / DDR5 7000 / DDR5 7200 / DDR5 7400 / DDR5 7600 / DDR5 7800 / DDR5 7900 / DDR5 7950 / DDR5 8000 / DDR5 8200
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCI Express x16 slot (PCIEX16), 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. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.
PCI Express x41 x PCI Express x16 slot, supporting PCIe 4.0 and running at x4 (PCIEX4)
* The PCIEX4 slot shares bandwidth with the M2D_SB connector. The PCIEX4 slot becomes unavailable when a device is installed in the M2D_SB connector
Serial ATA (SATA)2 x SATA 6Gb/s
M.21 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 25110/22110/2580/2280 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 (M2B_CPU), integrated in the CPU, supporting Socket 3, M key, type 22110/2280 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
* The M2B_CPU connector become
SATA RAID0/1/5/10
Audio Channels7.1 Channels
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBLUETOOTH 5.4
Back I/O 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
Onboard USB1 x USB Type-C header, with USB 3.2 Gen 2x2 support
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Other Connectors1 x CPU fan header
1 x CPU fan/water cooling pump header
4 x system fan headers
2 x system fan/water cooling pump headers
3 x addressable RGB Gen2 LED strip headers
1 x RGB LED strip header
4 x M.2 Socket 3 connectors
2 x SATA 6Gb/s connectors
1 x front panel header
1 x front panel audio header
1 x noise detection header
1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0/GC-TPM2.0 SPI V2 module only)
1 x Q-Flash Plus button
1 x power button
1 x reset button
1 x reset jumper
2 x temperature sensor headers
1 x Clear CMOS jumper
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x 4-pin ATX 12V power connector
BIOS Feature1 x 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
Windows 11Supported
Shipping weight3.63 kg
Package size343 × 305 × 102 mm

Questions about this item

What CPU socket and memory type does the GIGABYTE B850 AORUS STEALTH ICE require?

The board uses the AM5 socket for Ryzen 7000, 8000 and 9000 series processors and accepts DDR5 memory in four 288-pin slots up to 256 GB.

Will a PCIe 4.0 graphics card or M.2 SSD run at full speed on this board?

Yes. The CPU-linked x16 slot runs at PCIe 5.0 with Ryzen 9000 and 7000 CPUs and at PCIe 4.0 x8 with Ryzen 8000 series, while the chipset x4 slot and M.2 connectors support PCIe 4.0 devices.

How can I confirm the Wi-Fi 7 and 5 GbE LAN are active after building the system?

In Windows Device Manager look for a Wi-Fi 802.11 be adapter and a 5 Gbps Ethernet controller; both should show as working without errors.

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