ASRock A520M/AC vs A520M PRO4 Motherboard Comparison

ASRock A520M/AC and ASRock A520M PRO4 are both motherboards with the same Socket (AM4), Form factor (Micro ATX) and Chipset (AMD A520). The main differences are in Supported Memory, Wireless LAN, PCI-Express x16 Slots and PCI-Express x1 Slots.

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ASRock A520M/AC	ASRock A520M PRO4
Prices (Change region) Out of Stock + $3.99 Shipping $99.99 - Buy now	Prices (Change region) In Stock $89.99 Last updated 47 minutes ago. In Stock Free shipping $140.99
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Brand ASRock	Brand ASRock
Model A520M/AC	Model A520M Pro4 90-MXBDU0-A0UAYZ
Release Date 📅 August 2020	Release Date 📅 January 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User 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 A520	Chipset AMD A520
Supported Memory DDR4 2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3866Mhz 4133Mhz 4200Mhz 4266Mhz 4333Mhz 4400Mhz 4533Mhz 4600Mhz 4666Mhz 4733Mhz	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 -	Audio Chipset Realtek ALC1200
Audio Channels -	Audio Channels 7.1 Channels
LAN Chipset -	LAN Chipset Realtek RTL8111H
Max LAN Speed -	Max LAN Speed 10/100/1000Mbps
SLI Support No	SLI Support No
CrossFire Support No	CrossFire Support No
RAID Support Yes	RAID Support Yes
Back Connect No	Back Connect No
Back I/O Ports -	Back I/O Ports Antenna Bracket 1 x PS/2 Mouse/Keyboard Port 1 x D-Sub Port 1 x HDMI Port 1 x DisplayPort 1.4 1 x USB 3.2 Gen1 Type-A Port (Supports ESD Protection) 4 x USB 3.2 Gen1 Type-A Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 1 x USB 3.2 Gen1 Type-C Port (Supports ESD Protection) 2 x USB 2.0 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
Wireless LAN Yes	Wireless LAN No
Wi-Fi Generation 5	Wi-Fi Generation -
PCI-Express x16 Slots 1	PCI-Express x16 Slots 2
PCI-Express x4 Slots 0	PCI-Express x4 Slots 0
PCI-Express x1 Slots 1	PCI-Express x1 Slots 0
SATA 6 Gbps Ports 4	SATA 6 Gbps Ports 4
SATA Express Ports 0	SATA Express Ports 0
M.2 Ports 2	M.2 Ports 3
M.2 Devices support 2242 / 2260 / 2280 - M Key 2230 - E Key	M.2 Devices support 2280 - M Key 2280 - M Key 2230 - E Key
RAM Slots 2	RAM Slots 4
Maximum Supported RAM 64 GB	Maximum Supported RAM 128 GB
Onboard USB 2.0 2	Onboard USB 2.0 2
Onboard USB 3.2 Gen 1 1	Onboard USB 3.2 Gen 1 2
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