ASRock AMD B550 PG Riptide ATX Motherboard Dual Channel DDR4 4933 MHz AM4 Socket 128 GB SATA3 6.0 Gb/s M.2
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AI Verdict
A budget-friendly AM4 board packed with 10 USB ports and 2.5GbE LAN, perfect for standard Ryzen 5000 builds if you don't need built-in Wi-Fi or extreme overclocking.
It delivers excellent rear I/O and 2.5GbE LAN for the price, but cuts corners on VRM cooling and built-in Wi-Fi. It serves perfectly as a foundation for a Ryzen 5600X gaming build, but falls short for heavy overclockers or APU users.
If you need built-in wireless or plan to overclock a Ryzen 9, step up to a board with integrated Wi-Fi 6 and fully heatsinked VRMs.
Regret Score™
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Critically weak dimension
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Pros
- Features 10 USB ports on the rear I/O, including a 10Gbps Type-C port
- Includes a metal graphics card holder that mounts directly to the motherboard to prevent GPU sag
- Equipped with a Killer E3100G 2.5 GbE controller for high-speed wired networking
- Provides a front panel USB 3.2 Gen2 Type-C header for modern PC cases
- Uses a matte black PCB that avoids the cheap, glossy look of most entry-level boards
Cons
- Lacks an integrated I/O shield, requiring manual installation of the flimsy metal plate
- Top SoC VRM section is completely bare with no heatsink
- Audio relies on the entry-level Realtek ALC897 codec
- RGB lighting under the chipset shroud exposes bare LEDs, creating harsh hotspots
Dimension Scores
The 10-phase 8+2 Dr.MOS design handles 65W CPUs fine, but the lack of an SoC heatsink limits APU overclocking.
Packing 10 rear USB ports, 2.5GbE LAN, and an included GPU bracket is rare under $100.
You get standard dual M.2 slots, but the secondary PCIe x16 slot is only wired for x4 and shares lanes with SATA.
ASRock's BIOS layout is confusing and fails to display error messages when memory overclocks fail.
Best For
- Budget AM4 builders who need 10+ USB ports for peripherals and audio gear
- Gamers using heavy GPUs like an RTX 4080 who need the included support bracket
- Wired network users taking advantage of the 2.5 GbE LAN port
Not Recommended For
- APU overclockers pushing integrated graphics voltages
- Users who need Wi-Fi and Bluetooth working straight out of the box
- Enthusiasts trying to push a 16-core Ryzen 9 5950X to its thermal limits
Watch Out For
- No built-in Wi-Fi — you have to buy a separate M.2 Key E card and antennas if you don't use ethernet.
- Installing a drive in the second M.2 slot disables SATA ports 5 and 6.
- The top VRM for the SoC has no heatsink, which can cause thermal throttling if you heavily overclock an APU.
- The secondary PCIe x16 slot is physically x16 but only wired for PCIe 3.0 x4 bandwidth.
- XMP failures don't trigger a warning screen — the board just reboots three times and silently defaults your RAM to 2133MHz.
Full Specifications
| RAM | DDR4 |
| ASIN | B09BDCCPQM |
| Brand | ASRock |
| Series | B550 PHANTOM GAMING 4/AC |
| Voltage | 1 Volts |
| Language | English |
| Platform | Windows 10 |
| Batteries | 1 C batteries required. |
| CPU Model | Ryzen 3 |
| Processor | ryzen_3 |
| CPU Socket | Socket AM4 |
| Department | Adults |
| Model Name | B550 PHANTOM GAMING 4/AC |
| Item Weight | 3.74 pounds |
| Chipset Type | AMD B550 |
| Manufacturer | ASRock |
| Chipset Brand | AMD |
| Processor Brand | AMD |
| Operating System | ACPI 5.1 compliance wake up events, CPU, VDDCR_SOC, DRAM, VPPM, +1.8V Voltage Multi-adjustment, Plug and Play, SMBIOS 2.3 support, jumperfree |
| Flash Memory Size | 8 GB |
| Item model number | 90-MXBGH0-A0UAYZ |
| Compatible Devices | Personal Computer |
| Product Dimensions | 1.1 x 9.7 x 6.5 inches |
| Computer Memory Type | DIMM |
| Graphics Coprocessor | AMD RadeonTM Vega Series Graphics in Ryzen Series APU |
| Compatible Processors | Ryzen 3000 Series, Ryzen 4000 Series, Ryzen 5000 Series |
| RAM Memory Technology | DDR4 |
| Item Dimensions LxWxH | 1.1 x 9.7 x 6.5 inches |
| Memory Storage Capacity | 12 GB |
| Number of USB 2.0 Ports | 1 |
| Standing screen display size | 75 |
What Buyers Say
The rear I/O is the standout feature here, packing 10 USB ports and 2.5GbE LAN into a sub-$100 board. ASRock saved money by omitting an SoC VRM heatsink and built-in Wi-Fi, which frustrates buyers who didn't read the spec sheet closely. Memory overclocking past 3600MHz requires tedious trial and error due to a BIOS that silently fails XMP profiles. It serves as a rock-solid foundation for a plug-and-play Ryzen 5000 build, provided you don't plan to tinker with voltages.
“Great board for the price with tons of USB ports, but the BIOS is clunky and I had to buy a separate wifi card since it only comes with an empty slot.”
Common Praise
- 10 rear USB ports including a 10Gbps Type-C
- Included GPU support bracket prevents sag for heavy cards
- Matte black PCB looks much cleaner than typical budget boards
- 2.5GbE Killer LAN provides stable wired networking
Common Complaints
- No heatsink on the top SoC VRM
- BIOS doesn't warn you when an XMP profile fails to boot
- Secondary PCIe slot is advertised as x16 but only runs at x4
- Requires downloading specific Killer LAN drivers during Windows setup
Ownership Tips
- If your RAM XMP fails, the board reboots three times and defaults to 2133MHz without giving you an error message.
- The RGB lighting under the chipset shroud creates visible hotspots rather than a smooth glow.
- You must manually set the Load-Line Calibration (LLC) to level 1 to prevent vdroop under heavy CPU loads.
Frequently Asked Questions
Does this motherboard have Wi-Fi?
No. It has an empty M.2 Key E slot, meaning you must purchase a separate Wi-Fi card and antennas if you don't use an ethernet cable.
Is it ready for Ryzen 5000 series CPUs out of the box?
Yes. Current stock ships with a Ryzen 5000 ready BIOS, so you can drop in a Ryzen 5 5600X without needing a BIOS flashback.
Does the ASRock logo on the motherboard light up?
No. There is RGB lighting under the chipset shroud that spills over the SATA ports, but the logo itself is just painted on.
Can I run dual graphics cards at x8/x8 speeds?
No. The top slot is PCIe 4.0 x16, but the second full-length slot is only wired for PCIe 3.0 x4 bandwidth.
Does it come with a pre-installed I/O shield?
No. You have to snap the included metal I/O shield into your case manually before installing the motherboard.
Will using the second M.2 slot disable any ports?
Yes. Installing an SSD in the lower M.2 slot disables SATA ports 5 and 6.
Buying Guide
Buying a budget B550 motherboard means trading specific features for a lower price. This board prioritizes rear USB connectivity and fast wired networking over built-in Wi-Fi and extreme overclocking support. You must map out your storage needs, as using the second M.2 slot disables two of your SATA ports. If you plan to use an APU like the Ryzen 5 5600G, the lack of a top VRM heatsink means you shouldn't push the integrated graphics voltages too high.
M.2 Key E Slot
This is an empty socket specifically designed for a Wi-Fi/Bluetooth card. It means the board is 'Wi-Fi ready' but requires you to buy the actual wireless chip and antennas separately.
8+2 Phase Dr.MOS VRM
The VRM delivers power to your CPU. 8 phases for the CPU is plenty for a standard 6-core Ryzen, but the 2 phases for the SoC (which handles memory and integrated graphics) lack a cooling heatsink.
PCIe 4.0 x16
This is the main slot for your graphics card. PCIe 4.0 offers double the bandwidth of 3.0, ensuring modern GPUs aren't bottlenecked by the motherboard.
Alternatives
If you need built-in wireless out of the box or plan to heavily overclock a Ryzen 9, search for a B550 board with integrated Wi-Fi 6 and fully heatsinked VRMs.
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