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White ATX motherboard with silver heatsinks and rear I/O shield

GIGABYTE

GIGABYTE B850 AORUS STEALTH ICE AMD AM5 motherboard

SKU CH-JFEV-BN2RN

An ATX AM5 board with 14+2+2 phase VRM, four DDR5 slots up to 256GB, four M.2 sockets, PCIe 5.0 graphics slot, 5GbE LAN, WIFI7 and BLUETOOTH 5.4

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel
  • ECC SupportedNon-ECC
  • X3D Turbo Mode unlocks higher gaming performance
  • DDR5 overclocking reaches 8200 MT/s for faster memory speeds
  • Digital twin 14+2+2 phase VRM delivers stable power to Ryzen 9000, 8000 and 7000 CPUs
  • Four M.2 slots with EZ-Flex heatsinks provide high-efficiency cooling and screwless installation
  • Wi-Fi 7 and 5 GbE LAN with Bluetooth 5.4 give high-speed wireless and wired connectivity

Socket AM5 DDR5 platform

The GIGABYTE B850 AORUS STEALTH ICE is an ATX motherboard built for AMD Ryzen 9000, 8000 and 7000 series processors. It targets builders who want a clean white aesthetic with modern connectivity and strong overclocking headroom.

256 GB DDR5 capacity with 8200 MT/s OC headroom

Four 288-pin slots support dual-channel DDR5 up to 256 GB. AMD EXPO profiles and manual tuning can push memory to 8200 MT/s. Two SATA 6 Gb/s ports handle legacy drives while one CPU-linked M.2 slot runs at PCIe 5.0 x4 for the fastest SSDs.

PCIe 5.0 graphics slot plus Wi-Fi 7 and 5 GbE LAN

The primary PCIe 5.0 x16 slot connects directly to the CPU for high-bandwidth GPUs. A second x16 slot runs at PCIe 4.0 x4 and shares bandwidth with an M.2 connector. Rear I/O includes HDMI, USB 3.2 Gen 2 Type-C, four USB 3.2 Gen 1, four USB 2.0, 5 GbE RJ-45, Wi-Fi 7 and Bluetooth 5.4. EZ-Latch releases simplify GPU and M.2 installation.

Highlights

  • X3D Turbo Mode unlocks higher gaming performance
  • DDR5 overclocking reaches 8200 MT/s for faster memory speeds
  • Digital twin 14+2+2 phase VRM delivers stable power to Ryzen 9000, 8000 and 7000 CPUs
  • Four M.2 slots with EZ-Flex heatsinks provide high-efficiency cooling and screwless installation
  • Wi-Fi 7 and 5 GbE LAN with Bluetooth 5.4 give high-speed wireless and wired connectivity

Specifications

BrandGIGABYTE
ModelB850 AORUS STEALTH ICE
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported256GB
Channel SupportedDual Channel
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

Questions about this item

Can I reuse my current AM5 DDR5 memory kits with the B850 AORUS STEALTH ICE?

Yes, the board accepts up to 256 GB of DDR5 across four 288-pin slots and supports AMD EXPO profiles up to 8200 MT/s for validated kits.

How do I verify the B850 AORUS STEALTH ICE is running correctly after first boot?

Enter the BIOS to confirm the CPU is detected, EXPO memory speed shows 8200 MT/s if enabled, and the WIFI7 plus BLUETOOTH 5.4 controllers appear in the device list.

What accessories come in the B850 AORUS STEALTH ICE box and what must I buy separately?

The board includes SATA cables, M.2 EZ-Flex heatsinks, WIFI EZ-Plug antenna kit, EZ-Latch Plus and Click hardware, and I/O shield; you supply the AM5 CPU, DDR5 modules, M.2 SSDs, graphics card and power supply.

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