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| SPECIFICATIONS | |
| Brand | ASRock |
| Series | Phantom Gaming |
| Model | B550 Phantom Gaming 4/AC |
| CPU | Supports AMD AM4 Socket Ryzen 3000, 4000 G-Series and 5000 Series Desktop Processors* |
| Digi Power design | |
| 8 Power Phase design | |
| *Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G. | |
| View CPU support list | |
| Chipset | AMD B550 |
| Memory | Dual Channel DDR4 Memory Technology |
| 4x DDR4 DIMM Slots | |
| AMD Ryzen series CPUs (Matisse) support DDR4 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 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: 128GB** | |
| Supports Extreme Memory Profile (XMP) memory modules | |
| 15μ Gold Contact in DIMM Slots | |
| *Ryzen Series CPUs (Matisse): | |
| **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. | |
| 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, 1.05V_PROM_S5, 2.5V_PROM, 1.8VSB, VDDP Voltage Multi-adjustment | |
| 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.** | |
| Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz | |
| 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 Port | |
| Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port | |
| Supports Microsoft PlayReady | |
| *Actual support may vary by CPU | |
| **The Max shared memory 16GB requires 32GB system memory installed. | |
| Audio | 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec) |
| Premium Blu-ray Audio support | |
| Supports Surge Protection | |
| PCB Isolate Shielding | |
| Individual PCB Layers for R/L Audio Channel | |
| Nahimic Audio | |
| LAN | PCIE x1 Gigabit LAN 10/100/1000 Mb/s |
| Realtek RTL8111H | |
| Supports Wake-On-LAN | |
| Supports Lightning/ESD Protection | |
| Supports Energy Efficient Ethernet 802.3az | |
| Supports PXE | |
| Wireless LAN | Intel 802.11ac WiFi Module |
| Supports IEEE 802.11a/b/g/n/ac | |
| Supports Dual-Band (2.4/5 GHz) | |
| Supports high speed wireless connections up to 433Mbps | |
| Supports Bluetooth 4.2 High speed class II | |
| Slots | AMD Ryzen series CPUs (Matisse): |
| - 2x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* | |
| AMD Ryzen series APUs (Renoir): | |
| - 2x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* | |
| - 2x PCI Express 3.0 x1 Slots | |
| - Supports AMD Quad CrossFireX and CrossFireX | |
| - 1x M.2 Socket (Key E) with the bundled WiFi-802.11ac PCIe WiFi module | |
| *Supports NVMe SSD as boot disks | |
| Storage | 4x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug |
| 1x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir)* | |
| *Supports NVMe SSD as boot disks | |
| Supports ASRock U.2 Kit | |
| Connector | 1x COM Port Header |
| 1x SPI TPM Header | |
| 1x Power LED and Speaker Header | |
| 2x RGB LED Headers* | |
| 2x Addressable LED Headers** | |
| 1x CPU Fan Connector (4-pin)*** | |
| 1x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) | |
| 4x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)**** | |
| 1x 24 pin ATX Power Connector | |
| 1x 8 pin 12V Power Connector | |
| 1x 4 pin 12V Power Connector | |
| 1x Front Panel Audio Connector | |
| 2x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) | |
| 1x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) | |
| *Support in total up to 12V/3A, 36W LED Strip | |
| **Support in total up to 5V/3A, 15W LED Strip | |
| ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. | |
| ****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. | |
| CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP and CHA_FAN4/WP can auto detect if 3-pin or 4-pin fan is in use. | |
| Rear Panel I/O | 2x Antenna Ports |
| 1x PS/2 Mouse/Keyboard Port | |
| 1x HDMI Port | |
| 6x USB 3.2 Gen1 Ports (Supports ESD Protection) | |
| 1x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) | |
| HD Audio Jacks: Line in / Front Speaker / Microphone | |
| Software & UEFI | 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. | |
| Support CD | Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar |
| Accessories | Quick Installation Guide, Support CD, I/O Shield |
| 2x SATA Data Cables | |
| 2x ASRock WiFi 2.4/5 GHz Antennas | |
| 1x Screw for M.2 Socket | |
| Hardware Monitor | 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, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 1.8V, VDDP | |
| Form Factor | ATX Form Factor |
| 30.5 cm x 24.4 cm | |
| Solid Capacitor design | |
| 2oz Copper PCB | |
| OS | Microsoft Windows 10 64-bit |
| Certifications | FCC, CE |
| ErP/EuP ready (ErP/EuP ready power supply is required) | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
| Manufacturer's Site | Visit the manufacturer's website |
|---|---|
| Product Link | Visit the manufacturer's page for this product |
- Good Bang for Buck - but beware compatibility - Herman, 8 February 2021
Obviously this is a budget B550 board and is really good value for money. Just be careful of compatibility as the 3600 MHz RAM i purchased can't run at the advertised speed. Be sure to check the motherboard QVL before you buy accessories.
The ASRock polychrome software is also not great for RGB other than the fans. It does not see the RGB on the RAM (G.skill) or GPU (Palit) I purcahsed with the system so syncing your RGB will be a tough job. - Very good motherboard for AMD Ryzen 7 5800x - Jean-Michel, 18 December 2020
The WiFi is great, BIOS is easy to use for OS installation. Haven't tested with Linux yet. All the drivers are on the ASRock site if you need to install them manually and overall good value.
- Well priced board - Ashraf, 7 December 2020
Great mobo at this price. It features newer PCIe slots and was very easy to setup and install. I think the big addition here is the WiFi card which would typically set you back about R1 000 if you had bought it separately.
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