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GIGABYTE · AM5 · B850

B850 AORUS STEALTH ICE

ATX · DDR5 · 4 DIMMs · 14-phase VRM · Wi‑Fi 7 (RTL8922AE); 802.11a/b/g/n/ac/ax; 11be

Quality
75
VRM
54
Value
55
Amazon
$259
B850 AORUS STEALTH ICE
View B850 AORUS STEALTH ICE Gallery in high resolution
$259
Available Updated 3 days, 20 hours ago Prime FBA
Overall74.8
VRM54.0
Chipset80.0
Expansion / storage81.0
Connectivity78.0
Audio81.0
Quality / price54.9
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Written analysis

B850 AORUS STEALTH ICE at a glance

The B850 AORUS STEALTH ICE uses the ATX form factor, AM5 socket, and AMD B850 chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 8200 MT/s. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 54.0, placing the power delivery in the mid-range class. The board lists 14 CPU power phases, 80 A power stages in a 14 + 2 + 2 layout. CPU power input is listed as 2. It is a sensible match for mainstream processors, with conservative tuning on higher-power chips.

Expansion and storage

The expansion and storage score is 81.0: well equipped . The platform supports PCIe 5.0 (when used with Ryzen 9000/7000 CPUs). Physical expansion includes 2 ×16 slots.

On-board storage consists of 4 M.2 slots supporting M2A: PCIe5.0/4.0 x4/x2; M2B: PCIe5.0/4.0 x4/x2 (disabled w/ 8000 Phoenix2); M2C/D: PCIe4.0 x4/x2 and 2 SATA ports. Supported M.2 lengths are listed as 25110, 22110, 2580, 2280. That is enough NVMe capacity for a multi-drive gaming or creator setup without immediately relying on an add-in card.

Connectivity and rear I/O

The connectivity score is 78.0, rated strong . Wireless networking is Wi-Fi Wi‑Fi 7 (RTL8922AE); 802.11a/b/g/n/ac/ax; 11be ; wired networking is Realtek® 5GbE LAN chip (5 Gbps/2.5 Gbps/1 Gbps/100 Mbps) at up to 5000 Mbps. Bluetooth 5.4 is included. The recorded USB provision is 11 rear connections; a front-panel total is not recorded. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 81.0. This is a high-end onboard implementation using Realtek® ALC1220 CODEC, suitable for good headsets, powered speakers, and everyday content work. The rear panel has 2 analogue jacks. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 74.80, a strong performance-class result. This is the practical sweet spot for a powerful gaming or productivity PC without paying for every flagship extra.

At the recorded Amazon price, the quality-to-price score is 54.9—a balanced value for its feature class.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
GIGABYTE
Motherboard
B850 AORUS STEALTH ICE
Chipset / socket
AMD B850 / AM5
Form factor
ATX
Launch price
—
Amazon price
$259
Availability
In stock
Price updated
3 days, 20 hours ago

VRM

CPU phases
14 (80 A)
Power design
14 + 2 + 2
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 8200 MT/s
Per DIMM
64 GB
XMP / EXPO
Yes

PCIe

Supported version
PCIe 5.0 (when used with Ryzen 9000/7000 CPUs)
x16 physical
2
x16 Gen 5
1
x16 Gen 4
1

Storage

M.2 slots
4
M.2 lengths
25110, 22110, 2580, 2280
M.2 modes
M2A: PCIe5.0/4.0 x4/x2; M2B: PCIe5.0/4.0 x4/x2 (disabled w/ 8000 Phoenix2); M2C/D: PCIe4.0 x4/x2
SATA ports
2

Display outputs

HDMI
Yes · 2.1 · 4096x2160@60 Hz
DisplayPort
No
USB-C DisplayPort
No

USB

Rear USB 2.0
4
Rear USB 3.2 Gen 1 Type-A 5 Gbps
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
2
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
2
Header USB 3.2 Gen 2×2 Type-C 20 Gbps
1

Networking

Ethernet
Realtek® 5GbE LAN chip (5 Gbps/2.5 Gbps/1 Gbps/100 Mbps)
LAN ports
1
LAN speed
5000 Mbps
Wi-Fi
Wi‑Fi 7 (RTL8922AE); 802.11a/b/g/n/ac/ax; 11be
Wi-Fi bandwidth
160 MHz
Bands
['2.4 GHz', '5 GHz', '6 GHz']
Antenna connectors
2
Bluetooth
5.4

Audio

Chipset
Realtek® ALC1220 CODEC
Analog jacks
2
Gold-plated jacks
No
Optical S/PDIF
Yes
Spatial audio
No

Buttons

BIOS flashback
No
Clear CMOS
Yes
Q-Flash Plus
Yes
Smart button
No
Onboard start / reset
Start / Reset

Additional information

CPU support
AMD Socket AM5, support for: AMD Ryzen™ 9000 Series Processors/ AMD Ryzen™ 8000 Series Processors/ AMD Ryzen™ 7000 Series Processors (Go to GIGABYTE's website for the latest CPU support list.)
OS support
Support for Windows 11 64-bit
Memory notes
4x DDR5 DIMM sockets, up to 256 GB total (64 GB per DIMM). Supports non-ECC un-buffered DIMMs in 1Rx8/2Rx8/1Rx16 configurations. Many listed higher speeds are overclock (O.C) rates; base supported speeds include 5200/4800/4400 MT/s. Supports AMD EXPO (AMD EXtended Profiles for Overclocking) and Intel/JEDEC-compatible XMP memory modules. Actual supported memory types, speeds, and module counts depend on CPU and specific DIMM configurations — consult the motherboard "Memory Support List" on GIGABYTE's website for validated modules.
Display notes
Integrated AMD Radeon Graphics support with 1x HDMI port. Supports HDMI 2.1 features, HDCP 2.3, and HDR. Native HDMI 2.1 TMDS-compatible ports. Graphics capabilities may vary depending on CPU support.
Expansion notes
Maximum supported generation: PCIe 5.0 (requires Ryzen 9000/7000 CPU). PCIe 5.0 provides ~32 GT/s per lane (~3.94 GB/s per lane), i.e., up to ~63–64 GB/s for an x16 link, and is backward compatible with earlier PCIe versions. Slot details: CPU-integrated PCIEX16 (physical x16) — up to PCIe5.0 x16 with Ryzen 9000/7000, PCIe4.0 x8 with Ryzen 8000 Phoenix1, or PCIe4.0 x4 with Ryzen 8000 Phoenix2; note actual speed is CPU-dependent. Chipset PCIEX16 (listed as PCIEX4) is physically x16 but electrically runs at PCIe4.0 x4 and shares bandwidth with the M2D_SB M.2 connector; the PCIEX4 slot becomes unavailable when a device is installed in M2D_SB. The PCIEX16 slot is limited to a graphics card or an NVMe SSD (and a single GPU should be installed in PCIEX16).
M2A_CPU
PCIe 5.0 (Ryzen 9000/7000); PCIe 4.0 (Ryzen 8000 Phoenix1/2) x4/x2 · 25110, 22110, 2580, 2280 · From CPU
M2B_CPU
PCIe 5.0 (Ryzen 9000/7000); PCIe 4.0 (Ryzen 8000 Phoenix1/2) x4/x2 · 22110, 2280 · From CPU — M2B_CPU becomes unavailable when an AMD Ryzen 8000 Series Phoenix 2 processor is used.
M2C_SB
PCIe 4.0 (Chipset) x4/x2 · 22110, 2280 · From Chipset
M2D_SB
PCIe 4.0 (Chipset) x4/x2 · 22110, 2280 · From Chipset
RAID
SATA / PCIe (NVMe: RAID 0,1,5,10 (RAID 5 only on Ryzen 9000); SATA: RAID 0,1)
Storage notes
4 M.2 slots (2 from CPU, 2 from chipset). M2A supports 25110/22110/2580/2280; M2B and M2C/D support 22110/2280. 2x SATA 6Gb/s. NVMe RAID 0/1/5/10 supported (RAID5 only with Ryzen 9000). SATA RAID 0/1 supported. M2B is unavailable with AMD Ryzen 8000 Series Phoenix 2 processors.
USB notes
Primary data: Back panel includes 1x USB-C (USB 3.2 Gen 2), 2x USB 3.2 Gen 2 Type-A (red), 4x USB 3.2 Gen 1 Type-A, and 4x USB 2.0 ports. Internal headers include 1x USB Type-C header (USB 3.2 Gen 2x2), 1x USB 3.2 Gen 1 header providing 2 ports, and 2x USB 2.0 headers providing 4 ports. Red Type-A ports are color-coded on the back panel. Actual support may vary by CPU.
Audio notes
Back panel line-out jack supports DSD audio; High Definition Audio; supports 2/4/5.1/7.1-channel configurations; audio jacks can be reconfigured via audio software to enable 7.1-channel; actual support may vary by CPU.
Networking notes
Realtek Wi‑Fi 7 RTL8922AE (2T2R). Supports 11be 160MHz; Wi‑Fi 7 features require Windows 11 SV3 and no driver support for Windows 10. 5GbE LAN chip supports 5 Gbps / 2.5 Gbps / 1 Gbps / 100 Mbps. Availability of 6 GHz channels depends on country regulations. Actual data rates may vary; Bluetooth version may change with updates.
Button notes
Board includes: 1 power button, 1 reset button, 1 reset jumper, and 1 Clear CMOS jumper (clear_cmos_button set true). Q-Flash Plus button present (qflash_plus_button true). Other related headers/features: front panel header, front panel audio header, multiple USB headers (USB Type-C with USB 3.2 Gen2x2 support, USB Type-C with USB 3.2 Gen2 support, USB 3.2 Gen1 header, two USB 2.0 headers), noise detection header, Trusted Platform Module header (for GC-TPM2.0 SPI V2 module), and two temperature sensor headers. Note: Actual support may vary by CPU.
Fan / RGB headers
1 CPU · 1 OPT · 1 AIO · 6 chassis · 3 ARGB · 1 RGB
Thermal sensors
2
Other headers
Front audio · System panel · TPM
Dimensions
ATX Form Factor; 30.5cm x 24.4cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

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Nearby quality

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VRM fit

VRM-appropriate CPUs

AM5 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM5 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

CPU support

AMD Socket AM5, support for:
AMD Ryzen™ 9000 Series Processors/
AMD Ryzen™ 8000 Series Processors/
AMD Ryzen™ 7000 Series Processors
(Go to GIGABYTE's website for the latest CPU support list.)

Memory

Support 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.
4 x DDR5 DIMM sockets supporting up to 256 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.)

Graphics

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, HDCP 2.3, and HDR.
** Support for native HDMI 2.1 TMDS compatible ports.
(Graphics specifications may vary depending on CPU support.)

Expansion slots

1 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.
Chipset:
- 1 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.

Storage

1 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 becomes unavailable when an AMD Ryzen™ 8000 SeriesPhoenix 2 processor is used.
2 x M.2 connectors (M2C_SB, M2D_SB), integrated in the Chipset, supporting Socket 3, M key, type 22110/2280 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

USB

CPU:
- 1 x USB Type-C® port on the back panel, with USB 3.2 Gen 2 support
CPU+USB 3.2 Gen 1 Hub:
- 4 x USB 3.2 Gen 1 ports on the back panel
CPU+USB 2.0 Hub:
- 4 x USB 2.0/1.1 ports on the back panel
Chipset:
- 1 x USB Type-C® port with USB 3.2 Gen 2x2 support, available through the internal USB header
- 2 x USB 3.2 Gen 2 Type-A ports (red) on the back panel
- 2 x USB 3.2 Gen 1 ports available through the internal USB header
- 4 x USB 2.0/1.1 ports available through the internal USB headers

Internal I/O

1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x 4-pin ATX 12V power connector
1 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 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
1 x noise detection header
1 x Trusted Platform Module header (For the 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

Rear I/O

1 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.

Wireless

Realtek® Wi-Fi 7 RTL8922AE
- WIFI a, b, g, n, ac, ax, 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.
*** Bluetooth version may change with updates. See the Wi-Fi chip vendor's website for details.

Audio

Realtek® ALC1220 CODEC
* The back panel line out jack supports DSD audio.
High Definition Audio
2/4/5.1/7.1-channel
* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
Support for S/PDIF Out

Special features

Support for GIGABYTE Control Center (GCC)
* Available applications in GCC may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
Support for Q-Flash
Support for Q-Flash Plus
Support for Smart Backup

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