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Compact Mini-ITX board with dark heatsinks, integrated I/O cover and pre-mounted shield, paired with a Ryzen 5 9600X CPU

ASUS

ASUS ROG Strix B850-I Gaming WiFi + Ryzen 5 9600X AMD motherboard

SKU CH-J00N-YXR23

A compact AM5 motherboard paired with a Ryzen 5 9600X CPU, delivering DDR5 support up to 96 GB, twin PCIe 5.0 M.2 slots, WiFi 7, 2.5 Gb Ethernet and a 10+2+1 70 A power stage in a mini-ITX form factor

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots2x288pin (DDR5)
  • Maximum Memory Supported96GB
  • PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors 1 x PCIe 5.0
  • PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors 1 x PCIe 4.0 x16 sl
  • Compact AM5 combo bundles Ryzen 5 9600X for instant build readiness
  • 10+2+1 power stages rated 70A deliver stable CPU voltage
  • Two PCIe 5.0 M.2 slots enable fast storage expansion
  • WiFi 7 and 2.5Gb Ethernet provide high-speed networking
  • 20Gbps USB Type-C plus five 10Gbps ports connect peripherals quickly

Compact AM5 Platform for Small-Form Builds

This combo pairs an ASUS ROG Strix B850-I Gaming WiFi motherboard with an AMD Ryzen 5 9600X processor. The Mini-ITX board fits AM5 CPUs from the Ryzen 7000, 8000 and 9000 series. Two DDR5 slots support up to 96 GB of memory. A PCIe 5.0 x16 SafeSlot and dual M.2 slots handle modern GPUs and fast storage.

10+2+1 Power Stages and Heatsink Coverage

The 10+2+1 phase design is rated for 70 A per stage with ProCool connectors. Massive heatsinks and an integrated I/O cover use high-conductivity thermal pads to spread heat across the VRM and one M.2 slot. A 4-pin CPU fan header, AIO pump header, chassis fan header and extra flow header give flexible cooling control for quiet operation.

AI Overclocking, Networking II and DIY Tools

ASUS AI Advisor, AI Overclocking, AI Networking II and AEMP automate tuning for CPU, memory and traffic prioritisation. Onboard WiFi 7 (802.11 be) and Intel 2.5 Gb Ethernet provide high-speed links. Q-Release Slim, M.2 Q-Slide, Q-Latch, Q-Antenna, Q-Dashboard, Q-LED, BIOS FlashBack, Clear CMOS and FlexKey simplify assembly and troubleshooting.

Highlights

  • Compact AM5 combo bundles Ryzen 5 9600X for instant build readiness
  • 10+2+1 power stages rated 70A deliver stable CPU voltage
  • Two PCIe 5.0 M.2 slots enable fast storage expansion
  • WiFi 7 and 2.5Gb Ethernet provide high-speed networking
  • 20Gbps USB Type-C plus five 10Gbps ports connect peripherals quickly

Specifications

BrandASUS
ModelROG STRIX B850-I GAMING WIFI +R5 9600X
Part NumberROG STRIX B850-I GAMING WIFI+R5 9600X
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots2x288pin (DDR5)
Maximum Memory Supported96GB
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot(s)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot(s)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD Ryzen 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type02242/2260/2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD Ryzen 8000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
SATA RAIDAMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1
Audio ChipsetRealtek ALC4080
Audio ChannelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Unique de-pop circuit
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x USB 20Gbps port(s)
5 x USB 10Gbps port(s) (4 x Type-A + 1 x USB Type-C with DP Alt mode)
2 x USB 2.0 port(s) (2 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
3 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
1 x FlexKey button
Onboard USB1 x USB 10Gbps connector (support(s) USB Type-C)
1 x USB 5Gbps header(s) support(s) 2 additional USB 5Gbps ports
1 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header(s)
1 x 4-pin AIO Pump header(s)
1 x 4-pin Chassis Fan header(s)
1 x Extra Flow Fan header(s)
Miscellaneous
2 x Addressable Gen 2 header(s)
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x 10-1 pin Front System Panel header
1 x Thermal Sensor header
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Power Pin1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS // UEFI AMI BIOS(text-based)
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (60 days free trial)
- Aura Creator
- Aura Sync
- GameFirst
- HWiNFO
- Power Saving
ASUS AI Advisor
ASUS DriverHub
ASUS GlideX
TurboV Core
Adobe Creative Cloud (Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
Windows 11Windows 11, Windows 10 64-bit
Windows 11 (22H2 later)
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 header(s)
Package Contents1 x AMD Ryzen 5 9600X CPU
Cables
1 x Panel cable
1 x ROG USB2.0 splitter cable
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 backplate Q-Latch package(s)
1 x M.2 Q-Slide package
1 x ROG key chain
1 x M.2 backplate rubber package(s)
1 x Screw package(s) for M.2 SSD
Documentation
1 x Quick start guide

Questions about this item

How do I install the M.2 drives into the Q-Slide and Q-Latch slots, and which step do builders often miss?

Remove the large M.2 heatsink first, slide the drive into the Q-Slide track, then press down until the Q-Latch clicks; the step most often missed is reattaching the heatsink with its thermal pad in place.

What maintenance will the 10+2+1 power stage VRM and its high-conductivity thermal pads need over time?

Clean dust from the massive heatsinks and integrated I/O cover every few months; the thermal pads are designed for the product lifetime and do not require scheduled replacement.

At what point does the single 4-pin chassis fan header become the limiting factor for case airflow under sustained loads?

The lone 4-pin chassis header can only drive one case fan directly; additional fans need a hub or splitter, so that header is the first airflow bottleneck during extended heavy use.

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