ASRock A520M-HDV Supports AMD AM4 Socket Ryzen™ vs ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 -
Updated August 2026 — ASRock A520M-HDV Supports AMD AM4 Socket Ryzen™ wins on memory and video, ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 - wins on audio and compatibility.
The ASRock A520M-HDV offers better performance and newer technology at a lower price, making it the more attractive option for most users.
Why ASRock A520M-HDV Supports AMD AM4 Socket Ryzen™ is better
Price
A520M-HDV is $68.49, cheaper than B450M-HDV at $72.47.
Memory Speed
A520M-HDV supports DDR4 up to 4733 MHz, while B450M-HDV supports up to 3200 MHz.
Video Output
A520M-HDV supports HDMI 4K at 60Hz, enhancing high-resolution display capabilities.
Why ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 - is better
Audio Quality
B450M-HDV features 7.1 channel HD audio for superior sound.
Processor Compatibility
B450M-HDV supports a wider range of Ryzen processors, including older models.
USB Ports
B450M-HDV has more USB 3.1 Gen1 ports for better connectivity.
Overall score
Specifications
| Spec | ASRock A520M-HDV Supports AMD AM4 Socket Ryzen™ | ASRock B450M-HDV R4.0 AMD B450 AM4 Socket Ryzen 2000 - |
|---|---|---|
| Processor Support | 3000, 4000, 5000 | 2000, 3000, 4000, 5000 |
| Memory Speed | DDR4 4733+ | DDR4 3200+ |
| Audio Codec | Not specified | Realtek ALC887/897 |
| PCIe Slots | 1 x16, 1 x1 | 1 x16, 1 x1 |
| USB Ports | 4 | 6 |
Dimension comparison
Overview of ASRock A520M-HDV and B450M-HDV R4.0
The ASRock A520M-HDV is priced at $68.49, while the B450M-HDV R4.0 is slightly more expensive at $72.47, making the A520M-HDV about 5.5% cheaper. Both motherboards support a range of AMD processors, but they cater to slightly different needs and specifications. Understanding their features is crucial for making an informed purchasing decision.
Compatibility with AMD Processors
The ASRock A520M-HDV supports AMD AM4 Socket Ryzen 3000, 4000 G-Series, and 5000 processors, which makes it a versatile choice for users looking to build or upgrade their systems with the latest technology. On the other hand, the B450M-HDV R4.0 supports a broader range of processors, including Ryzen 2000, 3000, 4000 G-Series, and 5000. This compatibility with older models may appeal to users with legacy hardware.
Memory and Performance Capabilities
The ASRock A520M-HDV supports DDR4 memory up to 4733 MHz (overclocked), allowing for potentially higher performance in memory-intensive tasks. This is in contrast to the B450M-HDV R4.0, which supports DDR4 up to 3200 MHz (overclocked). While both motherboards support dual-channel memory configurations, the A520M-HDV provides more flexibility for performance tuning, making it an attractive option for gamers and power users.
Expansion Slots and Connectivity
In terms of expansion capabilities, the ASRock A520M-HDV offers one PCIe 3.0 x16 slot and one PCIe 3.0 x1 slot, providing decent options for graphics cards and other expansion cards. The B450M-HDV R4.0 has a similar configuration with one PCIe 3.0 x16 and one PCIe 2.0 x1 slot. While both offer good connectivity, the A520M-HDV's newer PCIe 3.0 technology may provide better performance for high-speed devices.
Video Output Options
Both motherboards come equipped with multiple video output options, including HDMI, DVI-D, and D-Sub. The ASRock A520M-HDV supports HDMI with 4K resolution at 60Hz, which is particularly beneficial for users looking to connect to high-resolution displays. The B450M-HDV R4.0 also provides HDMI output, but lacks the explicit mention of supporting 4K at 60Hz, which could limit its effectiveness for ultra-high-definition setups.
Audio Features
The B450M-HDV R4.0 boasts a 7.1 channel HD audio solution powered by the Realtek ALC887/897 audio codec, which could provide a richer audio experience for gaming and multimedia. The ASRock A520M-HDV, however, does not specify its audio capabilities but does offer basic audio outputs via its graphics options. For users prioritizing audio quality, the B450M-HDV R4.0 may be the preferred choice.
Price Comparison
The ASRock A520M-HDV is priced at $68.49, making it more budget-friendly compared to the B450M-HDV R4.0 at $72.47. This price difference of about $4 is significant for budget-conscious buyers looking to optimize their spending without sacrificing essential features. Despite the small difference, the A520M-HDV offers newer technology, which can justify its lower price for many users.
User Considerations
When selecting between these two motherboards, it’s essential to consider your specific needs. The ASRock A520M-HDV is geared more towards users looking to leverage the latest AMD processors and higher memory speeds. Conversely, the B450M-HDV R4.0 may be better suited for those who require backward compatibility and enhanced audio capabilities. Each motherboard brings unique strengths, depending on the user's requirements.
Which should you buy?
In conclusion, the choice between the ASRock A520M-HDV and B450M-HDV R4.0 ultimately depends on your specific needs and budget. If you prioritize the latest technology and a lower price point, the A520M-HDV is the better option. However, if you need broader compatibility with older Ryzen processors and superior audio features, the B450M-HDV R4.0 could be worth the extra investment.

