ASRock A520M PRO4 vs AB350 Pro4 Motherboard Comparison

ASRock A520M PRO4 and ASRock AB350 Pro4 are both motherboards with the same Socket (AM4), Max LAN Speed (10/100/1000Mbps) and PCI-Express x16 Slots (2). The main differences are in Form factor, Chipset, Supported Memory and Audio Chipset.

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ASRock A520M PRO4

ASRock AB350 Pro4

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$88.44

Last updated 40 minutes ago.

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$140.99

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$400.00

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Brand

ASRock

Brand

ASRock

Model

A520M Pro4
90-MXBDU0-A0UAYZ

Model

AB350 Pro4

Release Date

📅 January 2021

Release Date

📅 May 2017

* First availability for purchase, it may not correspond to the actual market launch date.

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(144 reviews)

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Price history

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Compatible PC parts

Processors ► Memory ► Cases ► CPU Coolers ►

Compatible PC parts

Processors ► Memory ► Cases ► CPU Coolers ►

Series

Socket

AM4

Socket

AM4

Form factor

Micro ATX

Form factor

ATX

Chipset

AMD A520

Chipset

AMD B350

Supported Memory

DDR4

2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz 3466Mhz 3600Mhz 3733Mhz 3800Mhz 3866Mhz 4000Mhz 4133Mhz 4200Mhz 4266Mhz 4333Mhz 4400Mhz 4533Mhz 4600Mhz 4666Mhz 4733Mhz

Supported Memory

DDR4

2133Mhz 2400Mhz 2666Mhz 2933Mhz 3200Mhz

* 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

Audio Chipset

Realtek ALC1200

Audio Chipset

Realtek ALC892

Audio Channels

7.1 Channels

Audio Channels

7.1 CH

LAN Chipset

Realtek RTL8111H

LAN Chipset

Realtek RTL8111GR

Max LAN Speed

10/100/1000Mbps

Max LAN Speed

10/100/1000Mbps

SLI Support

CrossFire Support

Yes

RAID Support

Yes

RAID Support

Yes

Back Connect

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

Back I/O Ports

Wireless LAN

PCI-Express x16 Slots

PCI-Express x4 Slots

PCI-Express x1 Slots

SATA 6 Gbps Ports

SATA Express Ports

M.2 Ports

M.2 Devices support

2280 - M Key
2280 - M Key
2230 - E Key

M.2 Devices support

2242 / 2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 / 22110 - M Key

RAM Slots

Maximum Supported RAM

128 GB

Maximum Supported RAM

64 GB

Onboard USB 2.0

Onboard USB 3.2 Gen 1

Onboard USB 3.2 Gen 2

Onboard USB 3.2 Gen 2x2

Options (3)

	DGS
	HDV $110.99
	PRO4

Comparison and key differences summary

Reasons to buy the ASRock A520M PRO4:

78% cheaper, you can save $311.56
Newer Product, it was released around 4 years later
Supports the following RAM types: DDR4 3466MHz, 3600MHz, 3733MHz, 3800MHz, 3866MHz, 4000MHz, 4133MHz, 4200MHz, 4266MHz, 4333MHz, 4400MHz, 4533MHz, 4600MHz, 4666MHz, 4733MHz
+1 Ports M.2
+64 GB maximum RAM supported
+1 Onboard USB 3.2 Gen 1