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Brand |
ASROCK
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Model |
B550 Phantom Gaming-ITX/ax
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CPU Support |
Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors*
Digi Power design
8 Power Phase design
*Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.
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Socket |
AM4
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Chipset |
AMD B550
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Memory Support |
Dual Channel DDR4 Memory Technology
2 x DDR4 DIMM Slots
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 Next Generation Ryzen series APUs 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
Max. capacity of system memory: 64GB**
Supports Extreme Memory Profile (XMP) memory modules
15μ Gold Contact in DIMM Slots
*For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Please refer to below table for AMD non-XMP memory frequency support.
**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.
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Memory Type |
DDR4
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Memory Bus |
3200 / 2933 / 2667 / 2400 / 2133 MHz
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Memory Slot |
2 Slots
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Graphics |
Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU*
DirectX 12, Pixel Shader 5.0
Shared memory default 2GB. Max Shared memory supports up to 16GB.**
Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers
Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
Supports DisplayPort 1.4 with max. resolution 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
*Actual support may vary by CPU
**The Max shared memory 16GB requires 32GB system memory installed.
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Audio |
7.1 CH HD Audio with Content Protection (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
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Expansion Slots |
AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slot (PCIE1: Gen4x16 mode)*
AMD Ryzen series APUs
- 1 x PCI Express x16 Slot (PCIE1: Gen3x16 mode)*
- 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-802.11ax module (on the rear I/O)
- 15μ Gold Contact in VGA PCIe Slot (PCIE1)
*Supports NVMe SSD as boot disks
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Storage |
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 Matisse) or Gen3x4 (32 Gb/s)*
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)*
*Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit (M2_1)
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Internal I/O Connectors |
1 x RGB LED Header*
1 x Addressable LED Header
* Supports in total up to 5V/3A, 15W LED Strip
1 x CPU Fan Connector (4-pin)
* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
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)
* 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.
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)
*Supports in total up to 12V/3A, 36W LED Strip
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Back Panel Connectors |
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
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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
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Wireless Data Network |
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 5.1 + High speed class II
Supports MU-MIMO
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Form Factor |
Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 cm
8 Layer PCB
2oz Copper PCB
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H/W Monitoring |
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
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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
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Special Features |
ASRock 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
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Software Features |
Software
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- ASRock Polychrome SYNC
- ASRock Key Master
- ASRock XFast LAN
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
*These utilities can be downloaded from ASRock Live Update & APP Shop.
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Operating System Support |
Microsoft® Windows® 10 64-bit
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| Dimension |
(W x D x H) : 17.00 x 17.00 x 4.80 cm |
| Net Weight |
0.55 KG |
| Package Dimension |
(W x D x H) : 18.60 x 22.80 x 9.30 cm |
| Gross Weight |
1.15 KG |
| Volume |
3,943.94 cm3 |
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warranty |
-
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