ASRock Phantom Gaming B850M Riptide WiFi Motherboard (AMD AM5, B850, mATX)
The ASRock Phantom Gaming B850M Riptide WiFi is a micro ATX motherboard designed for AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series processors, delivering powerful performance, fast connectivity, and flexible storage in a compact form factor.
Key Features
- CPU Support
- AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors
- 12+2+1 power phase design with Dr.MOS for VCore + SOC + MISC
-
Enlarged heatsink for enhanced cooling
-
Memory
- 4 x DDR5 DIMM slots
- Dual Channel DDR5 memory technology
- Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+ (OC)
- Maximum system memory capacity: 256GB
-
Supports XMP and EXPO memory profiles
-
Graphics & Expansion
- 1 x PCIe 5.0 x16 slot (PCIE1)
- 1 x PCIe 4.0 x4 slot (PCIE2)
- 15µ gold contact in VGA PCIe slot (PCIE1)
- Integrated AMD RDNA graphics support (actual support may vary by CPU)
-
HDMI 2.1 and DisplayPort 1.4 outputs, both up to 4K 120Hz
-
Storage
- 1 x Blazing M.2 (PCIe Gen5x4, 128 Gb/s)
- 1 x Hyper M.2 (PCIe Gen4x4, 64 Gb/s)
- 1 x M.2 (PCIe Gen4x2, 32 Gb/s)
- 4 x SATA3 6.0 Gb/s connectors
- Supports up to 3 x NVMe M.2 SSDs
- Supports RAID 0, 1, 10 for SATA and M.2 NVMe storage
- Multi-layer M.2 heatsink and support for M.2 bottom heatsink
-
M2_1 is first priority for M.2 installation
-
Networking & Wireless
- Realtek 2.5G LAN (Dragon RTL8125BG)
- 802.11be Wi-Fi 7 (2x2) + Bluetooth 5.4
- Supports MU-MIMO
- Phantom Gaming LAN software with bandwidth control and usage statistics
-
Wi-Fi 7 module supported by Windows 11 only
-
Audio
- 7.1 CH HD Audio
- Realtek ALC897 audio codec
- Impedance sensing on Rear Out port
- Individual PCB layers for left/right audio channels
-
Nahimic Audio
-
USB Connectivity
- Rear:
- 1 x USB 3.2 Gen2 Type-C
- 1 x USB 3.2 Gen2 Type-A
- 2 x USB 3.2 Gen1 Type-A
- 4 x USB 2.0
- Front:
- 1 x USB 3.2 Gen1 Type-C header
- 4 x USB 3.2 Gen1 ports via headers
- 4 x USB 2.0 ports via headers
- All USB ports with ESD protection
-
Lightning Gaming Ports (USB32_2/3) for lower jitter and latency
-
Design & Durability
- Micro ATX form factor: 9.6" x 9.6" (24.4 cm x 24.4 cm)
- 2oz copper PCB
- Flexible integrated I/O shield
-
20K long-lasting black caps (high quality conductive polymer capacitors)
-
Convenience & Utilities
- BIOS Flashback button
- ASRock Auto Driver Installer
- ASRock EZ Troubleshooter & Post Status Checker
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- ASRock Polychrome SYNC RGB
- EZ Update and EZ Mode UEFI
Specifications
Platform
| Category | Details |
|---|---|
| Form Factor | Micro ATX, 9.6" x 9.6" (24.4 cm x 24.4 cm) |
| PCB | 2oz Copper PCB |
| Chipset | AMD B850 |
CPU
| Feature | Details |
|---|---|
| Socket | AMD AM5 |
| Support | Ryzen 9000, 8000 and 7000 Series Processors |
Power Design
- 12+2+1 power phase design
- Dr.MOS for VCore + SOC + MISC
- Hi-Density power connectors (24-pin ATX, 8-pin 12V, 4-pin 12V)
Memory
| Feature | Details |
|---|---|
| Technology | Dual Channel DDR5 |
| Slots | 4 x DDR5 DIMM |
| Capacity | Up to 256GB total |
| Support | DDR5 ECC/non-ECC, un-buffered |
| Overclocking | Up to 8000+ (OC) |
| Profiles | XMP, EXPO |
Expansion Slots
| Source | Slot | Mode / Notes |
|---|---|---|
| CPU | 1 x PCIe 5.0 x16 (PCIE1) | Up to x16 mode; 15µ gold contact |
| CPU | 1 x PCIe 4.0 x4 (PCIE2) | x4 mode |
| Chipset | 1 x Vertical M.2 (Key E) | Type 2230 WiFi/BT PCIe WiFi module |
PCIE1 behavior by CPU series:
- Ryzen 9000 & 7000: PCIe Gen5 x16
- Ryzen 8000 (Phoenix 1): PCIe Gen4 x8
- Ryzen 8000 (Phoenix 2): PCIe Gen4 x4
Supports NVMe SSDs as boot disks.
Graphics
| Output | Details |
|---|---|
| HDMI | HDMI 2.1 TMDS/FRL 8G compatible, HDR, HDCP 2.3, up to 4K 120Hz |
| DisplayPort | DisplayPort 1.4 with DSC (compressed), HDCP 2.3, up to 4K 120Hz |
- Integrated AMD RDNA graphics (support may vary by CPU)
Storage
| Connector | Type & Mode | Form Factor |
|---|---|---|
| M2_1 | Blazing M.2 (PCIe Gen5x4, 128 Gb/s) | Type 2280 |
| M2_2 | M.2 (PCIe Gen4x2, 32 Gb/s) | Type 2260/2280 |
| M2_3 | Hyper M.2 (PCIe Gen4x4, 64 Gb/s) | Type 2260/2280 |
| SATA | 4 x SATA3, 6.0 Gb/s | — |
Additional details:
- Supports up to 3 x NVMe M.2 SSDs
- Supports NVMe SSDs as boot disks
- M2_1 is first priority for M.2 installation
- M2_1 behavior by CPU:
- Ryzen 9000 & 7000: Gen5x4
- Ryzen 8000 (Phoenix 1): Gen4x4
- Ryzen 8000 (Phoenix 2): Gen4x2
RAID Support
- RAID 0, 1, 10 for SATA storage devices
- RAID 0, 1, 10 for M.2 NVMe storage devices
- Requires additional M.2 NVMe expansion cards for RAID 10
Audio
| Feature | Details |
|---|---|
| Codec | Realtek ALC897 7.1 CH HD Audio |
| Enhancements | Impedance sensing on Rear Out |
| Design | Individual PCB layers for L/R audio |
| Software | Nahimic Audio |
LAN & Wireless
Wired LAN
| Feature | Details |
|---|---|
| Controller | 2.5 Gigabit LAN (Dragon RTL8125BG) |
| Speed | 10/100/1000/2500 Mb/s |
| Software | Phantom Gaming LAN (bandwidth control, stats, optimized modes) |
Wireless LAN & Bluetooth
| Feature | Details |
|---|---|
| Standard | 802.11be Wi-Fi 7, 2x2 module |
| Bands | 2.4GHz / 5GHz / 6GHz |
| Bandwidth | Supports 160MHz with 6GHz band |
| Antenna | 1 x antenna supporting 2 x (Transmit) x 2 (Receive) diversity |
| Bluetooth | Bluetooth 5.4 |
| MU-MIMO | Supported |
| OS Support (Wi-Fi) | Wi-Fi 7 module supported by Windows 11 only; no driver for Windows 10 |
| 6GHz Availability | Dependent on regional regulations; activated via Windows/software updates when available |
USB Connectivity
From CPU
- 1 x USB 3.2 Gen2 Type-C (rear)
- 1 x USB 3.2 Gen2 Type-A (rear)
- 1 x USB 3.2 Gen1 Type-A (rear, USB32_2)
From Chipset
- 1 x USB 3.2 Gen1 Type-C (front)
- 5 x USB 3.2 Gen1 Type-A (1 rear: USB32_3, 4 front via headers)
- 8 x USB 2.0 ports (4 rear, 4 front via headers)
All USB ports support ESD protection.
Rear I/O Panel
- 2 x Antenna ports
- 1 x HDMI port
- 1 x DisplayPort 1.4
- 1 x USB 3.2 Gen2 Type-C (10 Gb/s)
- 1 x USB 3.2 Gen2 Type-A (10 Gb/s)
- 2 x USB 3.2 Gen1 ports
- 4 x USB 2.0 ports
- 1 x RJ-45 LAN port
- 1 x BIOS Flashback button
- HD audio jacks: Line in / Front Speaker / Microphone
- USB32_2 and USB32_3 are Lightning Gaming Ports
Internal Connectors & Headers
- 1 x SPI TPM header
- 1 x Thermistor cable header
- 1 x Power LED and speaker header
- 1 x RGB LED header
- 3 x Addressable LED headers
- 2 x CPU fan connectors (4-pin, Smart Fan Speed Control)
- 3 x Chassis fan connectors (4-pin, Smart Fan Speed Control)
- 1 x 24-pin ATX power connector (Hi-Density)
- 1 x 8-pin 12V power connector (Hi-Density)
- 1 x 4-pin 12V power connector (Hi-Density)
- 1 x Front panel audio connector
- 2 x USB 2.0 headers (up to 4 USB 2.0 ports)
- 2 x USB 3.2 Gen1 headers (up to 4 USB 3.2 Gen1 ports)
- 1 x Front panel USB 3.2 Gen1 Type-C header
LED Power Support:
- Up to 12V/3A, 36W LED strip (12V) in total
- Up to 5V/3A, 15W LED strip (5V) in total
Fan Power Support:
- CPU_FAN1: up to 1A (12W)
- CPU_FAN2 & CHA_FAN1–3: up to 3A (36W) each
- CPU_FAN2 and CHA_FAN1–3 auto-detect 3-pin or 4-pin fans
BIOS
- 256Mb AMI UEFI Legal BIOS with GUI support
Software & UEFI
Software
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- ASRock Phantom Gaming LAN Software
- ASRock Polychrome SYNC
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash
Operating System Support
- Microsoft Windows 10 64-bit
- Microsoft Windows 11 64-bit
(Note: Wi-Fi 7 module driver is available for Windows 11 only.)
Certifications
- FCC
- CE
- ErP/EuP ready (ErP/EuP ready power supply required)
Included Accessories
- 2 x SATA data cables
- 2 x ASRock WiFi 2.4/5/6 GHz antennas
- 1 x Thermistor cable
- 2 x Screws for M.2 sockets
- 1 x Standoff for M.2 socket
