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ASRock B550 Phantom Gaming 4/ac AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard

OPEN BOX Product Type
  • BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU
  • AMD B550
  • Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors
  • 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 (AMD Ryzen series APUs (Renoir))
  • 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 (AMD Ryzen series CPUs (Matisse))
The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.
Specs

Learn more about the ASRock B550 Phantom Gaming 4/ac

Model
Brand ASRock
Model B550 Phantom Gaming 4/ac
Supported CPU
CPU Socket Type AM4
CPU Type Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors*

* Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.
* BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASRock website for CPU support list.
Chipsets
Chipset AMD B550
Memory
Number of Memory Slots 4x288pin (DDR4)
Memory Standard 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 (AMD Ryzen series APUs (Renoir))

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 (AMD Ryzen series CPUs (Matisse))
Maximum Memory Supported 128GB
Channel Supported Dual Channel
ECC Supported Yes
Buffer Supported Un-buffered
Expansion Slots
PCI Express 4.0 x16 1 x PCI Express 4.0 x16*

* Actual support may vary by CPU.
* Supports NVMe SSD as boot disks.
PCI Express 3.0 x16 1 x PCI Express 3.0 x16*

* Supports NVMe SSD as boot disks.
PCI Express x1 2 x PCI Express 3.0 x1
Other Slots 1 x M.2 Socket (Key E) with the bundled WiFi-802.11ac module
Storage Devices
SATA 6Gb/s 4 x SATA 6Gb/s
M.2 1 x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)*

* Supports NVMe SSD as boot disks.
* Supports ASRock U.2 Kit.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset Supported only by CPU with integrated graphic
Onboard Audio
Audio Chipset Realtek ALC1200
Audio Channels 7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 1Gbps
Wireless LAN Intel 802.11ac WiFi Module
IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2
Rear Panel Ports
Back I/O Ports 2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
6 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
Internal I/O Connectors
Onboard USB 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
Other Connectors 1 x COM Port Header
1 x SPI TPM Header
1 x Power LED and Speaker Header
2 x RGB LED Headers*
2 x Addressable LED Headers**
1 x CPU Fan Connector (4-pin)***
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****
1 x Front Panel Audio Connector

* 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.
Physical Spec
Form Factor ATX
LED Lighting RGB
Dimensions (W x L) 12.0" x 9.6"
Power Pin 1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
1 x 4-pin 12V Power Connector
Software Feature
Windows 11 Supported
Features
Features Gaming Armor:
Memory
- 15µ Gold Contact in DIMM Slots
Cooling
- XXL Aluminum Alloy Heatsink
Audio
- Nahimic Audio

Unique Feature:
ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium 50A Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
Intel 802.11ac WiFi
ASRock Steel Slot Gen4
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock POST Status Checker (PSC)
ASRock Full Spike Protection (for all USB, Audio, LAN Ports)
ASRock Live Update & APP Shop

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

Software and 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

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

OS:
- Microsoft Windows 10 64-bit

Certifications:
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)
Additional Information
Date First Available June 19, 2022

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

  • Return for refund within: non-refundable, this item is Final Sale
  • Return for replacement within: non-replaceable, this item is Final Sale
  • This item is covered by Newegg.ca's Final Sale Return Policy. Read full return policy for details.

Manufacturer Contact Info

Open Box Product Disclaimer

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