Product comparison · 2 motherboards

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

62specifications compared
14differ
48identical
43known for one product only

Key differences

The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 2 more memory slots than the ASUS PRIME B550M-K WIFI (4 vs 2). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 64 GB more maximum internal memory than the ASUS PRIME B550M-K WIFI (128 GB vs 64 GB). The ASUS PRIME B550M-K WIFI has 1 more USB 2.0 connectors than the GIGABYTE B550M AORUS ELITE AX (REV. 1.4) (2 vs 1). ECC сompatibility: ECC on the ASUS PRIME B550M-K WIFI, ECC & Non-ECC on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4). Top Wi-Fi standard: Wi-Fi 6 (802.11ax) on the ASUS PRIME B550M-K WIFI, Wi-Fi 6E (802.11ax) on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4).

Number of memory slots
- PRIME B550M-K WIFI:2
- B550M AORUS ELITE AX (REV. 1.4):4
ECC сompatibility
- PRIME B550M-K WIFI:ECC
- B550M AORUS ELITE AX (REV. 1.4):ECC & Non-ECC
Maximum internal memory
- PRIME B550M-K WIFI:64 GB
- B550M AORUS ELITE AX (REV. 1.4):128 GB
USB 2.0 connectors
- PRIME B550M-K WIFI:2
- B550M AORUS ELITE AX (REV. 1.4):1
USB 2.0 ports quantity
- PRIME B550M-K WIFI:2
- B550M AORUS ELITE AX (REV. 1.4):4
DVI-D ports quantity
- PRIME B550M-K WIFI:0
- B550M AORUS ELITE AX (REV. 1.4):1
Top Wi-Fi standard
- PRIME B550M-K WIFI:Wi-Fi 6 (802.11ax)
- B550M AORUS ELITE AX (REV. 1.4):Wi-Fi 6E (802.11ax)
Product colour
- PRIME B550M-K WIFI:Multicolour
- B550M AORUS ELITE AX (REV. 1.4):Brown

Side by side

Differences highlightedShow differences only

Comparison of PRIME B550M-K WIFI, B550M AORUS ELITE AX (REV. 1.4)
105 specifications	A ASUS PRIME B550M-K WIFI View product	B GIGABYTE B550M AORUS ELITE AX (REV. 1.4)View product
Processor1 differ
Processor manufacturer	AMD	AMD
Processor socket	Socket AM4	Socket AM4
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
Supported processor socketsKnown for one	Unknown — not stated by the source	Socket AM4
Memory4 differ
Supported memory types	DDR4-SDRAM	DDR4-SDRAM
Number of memory slotsDiffers	2	4
Memory slots type	DIMM	DIMM
Memory channels	Dual-channel	Dual-channel
ECC сompatibilityDiffers	ECC	ECC & Non-ECC
Supported memory clock speedsDiffers	5100,4866,4600,4466,4400,4333,4266,4200,4133,4000,3866,3733,3600,3466,3400,3333,3200,3000,2933,2800,2666,2400,2133 MHz	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
Unbuffered memory	Yes	Yes
Maximum internal memory per slotKnown for one	Unknown — not stated by the source	32 GB
Storage controllersidentical
Supported storage drive types	HDD & SSD	HDD & SSD
Supported storage drive interfaces	M.2, SATA III	M.2, SATA III
Number of HDDs supported	4	4
Number of storage drives supported	6	6
RAID support	Yes	Yes
RAID levels	0, 1, 10	0, 1, 10
Graphicsidentical
Parallel processing technology supportKnown for one	Unknown — not stated by the source	Not supported
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/O1 differ
USB 2.0 connectorsDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0	0
Number of SATA III connectors	4	4
Front panel audio connector	Yes	Yes
Front panel connectorKnown for one	Unknown — not stated by the source	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Number of CPU fan connectors	1	1
Number of chassis fan connectors	2	2
EPS power connector (8-pin)	Yes	Yes
Number of EPS power connectors (8-pin)	1	1
12V power connector	Yes	Yes
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
TPM connector	Yes	Yes
RGB LED pin headerKnown for one	Unknown — not stated by the source	Yes
Number of RGB LED pin headersKnown for one	Unknown — not stated by the source	5
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
PS/2 ports quantity	1	1
VGA (D-Sub) ports quantity	0	0
HDMI ports quantity	1	1
HDMI versionKnown for one	Unknown — not stated by the source	2.1
DVI-D ports quantityDiffers	0	1
Headphone outputs	1	1
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	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
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet interface type	Gigabit Ethernet	Gigabit Ethernet
LAN controllerKnown for one	Unknown — not stated by the source	Realtek RTL8111H
Wi-Fi	Yes	Yes
Top Wi-Fi standardDiffers	Wi-Fi 6 (802.11ax)	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
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	5.3
Features2 differ
Component for	PC	PC
Motherboard form factor	micro ATX	micro ATX
Motherboard chipset family	AMD	AMD
Motherboard chipset	AMD B550	AMD B550
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC897
Audio output channels	7.1 channels	7.1 channels
Product colourDiffers	Multicolour	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 slots2 differ
PCI Express x1 (Gen 3.x) slots	1	1
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 (Gen 4.x) slotsKnown for one	Unknown — not stated by the source	1
Number of M.2 (M) slots	2	2
1st M.2 largest key sizeDiffers	2280	22110
1st M.2 highest PCI Express generationKnown for one	Unknown — not stated by the source	4.0
2nd M.2 largest key sizeDiffers	22110	2280
2nd M.2 highest PCI Express generationKnown for one	Unknown — not stated by the source	3.0
BIOSidentical
BIOS type	UEFI AMI	UEFI AMI
BIOS memory size	128 Mbit	128 Mbit
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 dataidentical
Package widthKnown for one	Unknown — not stated by the source	265 mm
Package depthKnown for one	Unknown — not stated by the source	265 mm
Package heightKnown for one	Unknown — not stated by the source	65 mm
Package weightKnown for one	Unknown — not stated by the source	1.27 kg
Weight & dimensions1 differ
Width	244 mm	244 mm
DepthDiffers	221 mm	244 mm
Packaging contentidentical
Antenna includedKnown for one	Unknown — not stated by the source	Yes
Screws 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
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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