Product comparison · 2 motherboards

ASUS PRIME A520M-K ARGB vs GIGABYTE B550M AORUS ELITE AX (REV. 1.4)

69specifications compared
24differ
45identical
38known for one product only

Key differences

The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 2 more memory slots than the ASUS PRIME A520M-K ARGB (4 vs 2). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 64 GB more maximum internal memory than the ASUS PRIME A520M-K ARGB (128 GB vs 64 GB). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 1 more storage drives supported than the ASUS PRIME A520M-K ARGB (6 vs 5). Only the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has Wi-Fi. ECC сompatibility: ECC on the ASUS PRIME A520M-K ARGB, ECC & Non-ECC on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4).

Number of memory slots
- PRIME A520M-K ARGB:2
- B550M AORUS ELITE AX (REV. 1.4):4
ECC сompatibility
- PRIME A520M-K ARGB:ECC
- B550M AORUS ELITE AX (REV. 1.4):ECC & Non-ECC
Maximum internal memory
- PRIME A520M-K ARGB:64 GB
- B550M AORUS ELITE AX (REV. 1.4):128 GB
Number of storage drives supported
- PRIME A520M-K ARGB:5
- B550M AORUS ELITE AX (REV. 1.4):6
USB 2.0 connectors
- PRIME A520M-K ARGB:2
- B550M AORUS ELITE AX (REV. 1.4):1
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- PRIME A520M-K ARGB:2
- B550M AORUS ELITE AX (REV. 1.4):1
Number of RGB LED pin headers
- PRIME A520M-K ARGB:3
- B550M AORUS ELITE AX (REV. 1.4):5
USB 2.0 ports quantity
- PRIME A520M-K ARGB:2
- B550M AORUS ELITE AX (REV. 1.4):4

Side by side

Differences highlightedShow differences only

Comparison of PRIME A520M-K ARGB, B550M AORUS ELITE AX (REV. 1.4)
107 specifications	A ASUS PRIME A520M-K ARGB View product	B GIGABYTE B550M AORUS ELITE AX (REV. 1.4)View product
Processor1 differ
Compatible processor seriesDiffers	AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series	AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
Memory3 differ
Number of memory slotsDiffers	2	4
ECC сompatibilityDiffers	ECC	ECC & Non-ECC
Supported memory clock speedsKnown for one	Unknown — not stated by the source	4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)Known for one	Unknown — not stated by the source	4733 MHz
Maximum internal memoryDiffers	64 GB	128 GB
Maximum internal memory per slotKnown for one	Unknown — not stated by the source	32 GB
Storage controllers1 differ
Number of storage drives supportedDiffers	5	6
Graphicsidentical
Maximum resolutionKnown for one	Unknown — not stated by the source	4096 x 2160 pixels
HDCPKnown for one	Unknown — not stated by the source	Yes
DirectX versionKnown for one	Unknown — not stated by the source	12.0
Internal I/O3 differ
USB 2.0 connectorsDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	2	1
Number of EPS power connectors (8-pin)Known for one	Unknown — not stated by the source	1
Number of water pump connectorsKnown for one	Unknown — not stated by the source	2
Serial port headersKnown for one	Unknown — not stated by the source	1
Number of RGB LED pin headersDiffers	3	5
S/PDIF out connectorKnown for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers	2	4
HDMI versionKnown for one	Unknown — not stated by the source	2.1
DVI-D ports quantityDiffers	0	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
Line-inKnown for one	Unknown — not stated by the source	Yes
WiFi-AP antenna jackKnown for one	Unknown — not stated by the source	2
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111H
Wi-FiDiffers	No	Yes
Top Wi-Fi standardDiffers	Not available	Wi-Fi 6E (802.11ax)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Wi-Fi 6E (802.11ax)
WLAN controller modelKnown for one	Unknown — not stated by the source	Realtek RTL8852CE
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
Features3 differ
Motherboard chipsetDiffers	AMD A520	AMD B550
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC897
Product colourDiffers	Black, White	Brown
PC health monitoringKnown for one	Unknown — not stated by the source	Fan, Temperature, Voltage
Cooling typeKnown for one	Unknown — not stated by the source	Passive
Power source typeKnown for one	Unknown — not stated by the source	ATX
Windows operating systems supportedDiffers	Windows 10 x64, Windows 11	Windows 10 x64, Windows 11 x64
Expansion slots3 differ
PCI Express x16 (Gen 4.x) slotsKnown for one	Unknown — not stated by the source	1
Number of M.2 (M) slotsDiffers	1	2
1st M.2 largest key sizeDiffers	2280	22110
1st M.2 highest PCI Express generationDiffers	3.0	4.0
2nd M.2 largest key sizeKnown for one	Unknown — not stated by the source	2280
2nd M.2 highest PCI Express generationKnown for one	Unknown — not stated by the source	3.0
BIOSidentical
ACPI versionKnown for one	Unknown — not stated by the source	5.0
Clear CMOS jumperKnown for one	Unknown — not stated by the source	Yes
Desktop Management Interface (DMI) versionKnown for one	Unknown — not stated by the source	2.7
System Management BIOS (SMBIOS) versionKnown for one	Unknown — not stated by the source	2.7
Logistics dataidentical
Country of originKnown for one	Unknown — not stated by the source	China
Packaging data4 differ
Package widthDiffers	260 mm	265 mm
Package depthDiffers	270 mm	265 mm
Package heightDiffers	51.5 mm	65 mm
Package weightDiffers	804 g	1.27 kg
Weight & dimensions2 differ
WidthDiffers	226 mm	244 mm
DepthDiffers	226 mm	244 mm
Packaging contentidentical
Antenna includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Norton® Internet Security (OEM version)LAN bandwidth management software
Cables includedKnown for one	SATA	Unknown — not stated by the source
Technical detailsidentical
Warranty periodKnown for one	Unknown — not stated by the source	3 year(s)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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