ASRock B450M-HDV vs A520M-HDV Motherboard Comparison

ASRock B450M-HDV and ASRock A520M-HDV are both motherboards with the same Socket (AM4), Form factor (Micro ATX) and PCI-Express x16 Slots (1). The main differences are in Chipset, Supported Memory and Maximum Supported RAM.

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ASRock B450M-HDV	ASRock A520M-HDV
Prices (Change region) Out of Stock Free shipping $800.00 - Buy now	Prices (Change region) In Stock + $2.99 Shipping $67.99 - Buy now
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Brand ASRock	Brand ASRock
Model B450M-HDV 90-MXB9N0-A0UAYZ	Model A520M-HDV 90-MXBE50-A0UAYZ
Release Date 📅 August 2018	Release Date 📅 August 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★☆ (4 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►	Compatible PC parts Processors ► Memory ► Cases ► CPU Coolers ►
Socket AM4	Socket AM4
Form factor Micro ATX	Form factor Micro ATX
Chipset AMD B450	Chipset AMD A520
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz	Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz 4333Mhz 4400Mhz 4533Mhz 4600Mhz 4666Mhz 4733Mhz
* High clock speeds may require enabling the XMP profile in the motherboard BIOS ** RAM support may also depend on the CPU memory controller
ECC RAM Support No	ECC RAM Support No
Audio Chipset Realtek ALC887	Audio Chipset -
Audio Channels 7.1 Channels	Audio Channels -
LAN Chipset Realtek RTL8111H	LAN Chipset -
Max LAN Speed 10/100/1000Mbps	Max LAN Speed -
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Wireless LAN No	Wireless LAN No
PCI-Express x16 Slots 1	PCI-Express x16 Slots 1
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 1	PCI-Express x1 Slots 1
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 1	M.2 Ports 1
M.2 Devices support 2242 / 2260 / 2280 - M Key	M.2 Devices support 2242 / 2260 / 2280 - M Key
RAM Slots 2	RAM Slots 2
Maximum Supported RAM 32 GB	Maximum Supported RAM 64 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 1
Onboard USB 3.2 Gen 2 0	Onboard USB 3.2 Gen 2 0
Onboard USB 3.2 Gen 2x2 0	Onboard USB 3.2 Gen 2x2 0

Comparison and key differences summary

Reasons to buy the ASRock B450M-HDV:

Buy now

Reasons to buy the ASRock A520M-HDV:

92% cheaper, you can save $732.01
Newer Product, it was released around 2 years later
Supports the following RAM types: DDR4 3466MHz, 3600MHz, 3733MHz, 3800MHz, 3866MHz, 4000MHz, 4133MHz, 4200MHz, 4266MHz, 4333MHz, 4400MHz, 4533MHz, 4600MHz, 4666MHz, 4733MHz
+32 GB maximum RAM supported