B550 Phantom Gaming-ITX/ax
- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
- 8 Power Phase Design, Digi Power, 90A Dr.MOS
- Supports DDR4 5400+ (OC)
- 1 PCIe 4.0 x16
- Graphics Output Options: HDMI, DisplayPort
- 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio
- 4 SATA3, 1 Hyper M.2 (PCIe Gen4x4), 1 Ultra M.2 (PCIe Gen3x4 & SATA3)
- 3 USB 3.2 Gen2 (Rear Type A+C, Front Type-C), 6 USB 3.2 Gen1 (2 Front, 4 Rear)
- Intel® 2.5G LAN, Wi-Fi 6 802.11ax (2.4Gbps) + BT 5.2*Please refer to CPU support list for details.
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Nahimic Audio

90A Dr. MOS
Premium 90A Leistungsdrossels
8 Phasen Spannungswandlung
8-LAGEN-PCB MIT 4 X ZWEI UNZEN KUPFER
BESTIMMEN SIE ÜBER IHRE BELEUCHTUNG - POLYCHROME RGB

*The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.
Wi-Fi 6 802.11ax
Intel® 2.5G LAN
Reinforced Steel Slot
[PCIe 4.0 Version]
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.
PCIe 4.0 High Speed M.2-Lösung
AMD SMART ACCESS SPEICHER
Front-USB 3.2 (Gen2, Typ-C)
Dual USB 3.2 Gen2 ( Type-A + Type-C )
USB 3.2 Gen2 verdoppelt die Datentransferrate
USB 3.2 Gen2 Typ-C verdoppelt die Ladegeschwindigkeit!
Zwei Grafikausgänge
AMD StoreMI
![SA [0 Header-Hairline]](/mb/features/SA.png)
XXL-Kühlkörper mit Aluminiumlegierung
Dr. MOS
Hochwertige 90A-Spule für die Stromversorgung
Mattschwarzes PCB
Hochverdichtetes Glasfaser-PCB
2oz-Kupfer-PCB

Full Spike Protection

Live Update & APP Shop
One-Click to AI Agents – ASRock Claw Quickset
- Gaming ArmorPower
- Hi-Density Power Connectors (24 pin and 8 pin)
Memory
- 15μ Gold Contact in DIMM Slots
VGA Card
- 15μ Gold Contact in VGA PCIe Slot (PCIE1)
Internet
- Intel® 2.5G LAN
Audio
- Nahimic Audio - Einzigartige FeaturesASRock USB 3.2 Gen2
- ASRock Front Panel USB 3.2 Gen2 Type-C Header (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
- Premium 90A Power Choke
- 90A Dr.MOS
- Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke)
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- I/O Armor
- Matte Black PCB
- High Density Glass Fabric PCB
- 8 Layer PCB
- 2oz Copper PCB
Intel® 2.5G LAN
Intel® 802.11ax WiFi
ASRock Steel Slot Gen4
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop - CPU- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
- Digi Power design
- 8 Power Phase design*Please refer to CPU support list for details. - Chipsatz- AMD B550
- Arbeitsspeicher- Dual Channel DDR4 Memory Technology
- 2 x DDR4 DIMM Slots
- AMD Ryzen series CPUs (Vermeer) support DDR4 5100+(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
- AMD Ryzen series CPUs (Matisse) support DDR4 5100+(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
- AMD Ryzen series APUs (Cezanne) support DDR4 5400+(OC) / 5300(OC) / 5200(OC) / 5100(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
- AMD Ryzen series APUs (Renoir) support DDR4 5400+(OC) / 5300(OC) / 5200(OC) / 5100(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*
- AMD Ryzen series APUs (Picasso) support DDR4 3600+(OC) / 3466(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory*
- Max. capacity of system memory: 64GB**
- Supports Extreme Speicherprofile (XMP) memory modules
- 15μ Gold Contact in DIMM Slots*For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP memory frequency support. For more details, please refer to the QVL on ASRock's website.
Ryzen Series CPUs (Vermeer):
Ryzen Series CPUs (Matisse):
Ryzen Series APUs (Cezanne):
Ryzen Series APUs (Renoir):
Ryzen Series CPUs (Picasso):
SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label
**Aufgrund von Limitierungen im Betriebssystem ist es möglich, dass Windows® 32-bit OS weniger als 4 GB RAM für das System reservieren kann. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation. - BIOS- 256Mb AMI UEFI Legal BIOS with GUI support
- Supports "Plug and Play"
- ACPI 5.1 compliance wake up events
- Supports jumperfree
- SMBIOS 2.3 support
- CPU, CPU VDDCR_SOC, DRAM, VPPM, Chipset 1.05V, 2.50V, +1.8V, VDDP Voltage Multi-adjustment - Grafik- Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU*
- DirectX 12, Pixel Shader 5.0
- Standardmäßig beträgt der geteilte Speicher 2 GB. Maximal sind 16 GB geteilter Speicher möglich.**
- Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
- Supports HDMI 2.1 with max. Auflösung up to 4K x 2K (4096x2160) @ 60Hz
- Supports DisplayPort 1.4 with max. Auflösung up to 5K (5120x2880)@120Hz
- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required)
- Supports HDR (High Dynamic Range) with HDMI 2.1
- Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports***
- Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports
- Supports Microsoft® PlayReady*Die Unterstützung kann je nach CPU variieren
**Für den maximalen geteilten Speicher in Höhe von 16 GB werden 32 GB Arbeitsspeicher benötigt.
***Picasso supports HDCP 2.2 with HDMI 2.0 Port - Audio- 7.1 CH HD Audio with Schutz von Inhalten (Realtek ALC1220 Audio Codec)
- Premium Blu-ray Audio support
- Supports Surge Protection
- 120dB SNR DAC with Differential Amplifier
- Pure Power-In
- Direct Drive Technology
- PCB Isolate Shielding
- Impedance Sensing on Rear Out port
- Individual PCB Layers for R/L Audio Channel
- 15μ Gold Audio Connector
- Nahimic Audio - LAN- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- GigaLAN Intel® I225V
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE - Drahtloses LAN- Intel® 802.11ax WiFi Module
- Supports IEEE 802.11a/b/g/n/ax
- Supports Dual-Band (2.4/5 GHz)
- Supports WiFi6 802.11ax (2.4Gbps)
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.2 + High speed class II
- Supports MU-MIMO - SteckplätzeAMD Ryzen series CPUs (Vermeer and Matisse)
- 1 x PCI Express x16 Slot (PCIE1: Gen4x16 mode)*
AMD Ryzen series APUs (Cezanne and Renoir)
- 1 x PCI Express x16 Slot (PCIE1: Gen3x16 mode)*
AMD Ryzen series APUs (Picasso)
- 1 x PCI Express x16 Slot (PCIE1: Gen3x8 mode)*
- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ax PCIe WiFi module (on the rear I/O)
- 15μ Gold Contact in VGA PCIe Slot (PCIE1)*Unterstützt NVMe-SSD als Boot-Festplatte - Speicherplatz- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
- 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso)*
- 1 x Ultra M.2 Socket, supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**Unterstützt NVMe-SSD als Boot-Festplatte
NVMe SSD is not supported with AMD Athlon™ 3000G Processors
Supports ASRock U.2 Kit (M2_1) - Anschluss- 1 x RGB LED Header*
- 1 x Addressable LED Header**
- 1 x CPU Fan Connector (4-pin)***
- 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)****
- 1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)*****
- 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector (15μ Gold Audio Connector)
- 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)
- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
- 1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection)*******Unterstützt insgesamt bis zu 12V/3A, 36W-LED-Strip
**Supports in total up to 5V/3A, 15W LED Strip
***Der CPU-Lüfteranschluss unterstützt CPU-Lüfter mit einer Leistung von maximal 1 Ampere (12 Watt).
****The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
*****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
CPU_FAN2/WP and CHA_FAN1/WP can auto detect if 3-pin or 4-pin fan is in use.
******Front Panel Type C USB 3.2 Gen2 will downgrade to USB 3.2 Gen1 when Picasso APU is installed. - Blende- 2 x Antenna Ports
- 1 x HDMI Port
- 1 x DisplayPort 1.4
- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection)
- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection)
- 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
- HD Audio Jacks: Line in / Front Speaker / Microphone - Software und UEFISoftware
- ASRock Motherboard Utility (Phantom Gaming-Einstellung)
- ASRock Polychrome SYNC
- ASRock Key Master
UEFI
- ASRock Full HD UEFI
- ASRock Sofort-Flash*Diese Tools können im Live Update & APP Shop heruntergeladen werden. - Produktzubehör- 2 x SATA Data Cables
- 1 x ASRock WiFi 2.4/5 GHz Antenna
- 1 x Screw for M.2 Socket - Hardware überwachung- Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans
- Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore - Formfaktor- Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm
- 8 Layer PCB
- 2oz Copper PCB - Betriebssystem- Microsoft® Windows® 10 64-bit / 11 64-bit
- Zertifizierungen- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
* This product has reached EOL (End of Life) and was discontinued in 2025/Feb. Technical and security-related support will continue for up to 6 years after EOL, subject to supplier support availability.
Die Begriffe HDMI, HDMI High-Definition Multimedia Interface, HDMI-Aufmachung (HDMI Trade Dress) und die HDMI-Logos sind Marken oder eingetragene Marken von HDMI Licensing Administrator, Inc.
Die Spezifikationen können ohne vorherigen Hinweis geändert werden. Die Marken und Produktnamen sind Schutzmarken der jeweiligen Firmen. Alle Konfigurationen die von den original Spezifikationen abweichen werden nicht garantiert.
Das oben abgebildete User-Interface ist ein Referenzbeispiel. Das tatsächliche User-Interface kann von der Abbildung abweichen.
The third-party software is developed and maintained by a third-party provider and is not developed by ASRock. For software updates, security notices, and technical support, please refer to the respective software provider.




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