Product comparison · 2 motherboards

ASUS PRIME B550M-K WIFI vs GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5)

59specifications compared
17differ
42identical
38known for one product only

Key differences

The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 2 more memory slots than the ASUS PRIME B550M-K WIFI (4 vs 2). The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 64 GB more maximum internal memory than the ASUS PRIME B550M-K WIFI (128 GB vs 64 GB). The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the ASUS PRIME B550M-K WIFI (2 vs 1). ECC сompatibility: ECC on the ASUS PRIME B550M-K WIFI, ECC & Non-ECC on the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5). Top Wi-Fi standard: Wi-Fi 6 (802.11ax) on the ASUS PRIME B550M-K WIFI, Wi-Fi 6E (802.11ax) on the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5).

Number of memory slots
- PRIME B550M-K WIFI:2
- B550 AORUS ELITE AX V2 (Rev. 1.5):4
ECC сompatibility
- PRIME B550M-K WIFI:ECC
- B550 AORUS ELITE AX V2 (Rev. 1.5):ECC & Non-ECC
Maximum internal memory
- PRIME B550M-K WIFI:64 GB
- B550 AORUS ELITE AX V2 (Rev. 1.5):128 GB
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- PRIME B550M-K WIFI:1
- B550 AORUS ELITE AX V2 (Rev. 1.5):2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- PRIME B550M-K WIFI:4
- B550 AORUS ELITE AX V2 (Rev. 1.5):3
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- PRIME B550M-K WIFI:0
- B550 AORUS ELITE AX V2 (Rev. 1.5):2
Headphone outputs
- PRIME B550M-K WIFI:1
- B550 AORUS ELITE AX V2 (Rev. 1.5):5
Top Wi-Fi standard
- PRIME B550M-K WIFI:Wi-Fi 6 (802.11ax)
- B550 AORUS ELITE AX V2 (Rev. 1.5):Wi-Fi 6E (802.11ax)

Side by side

Differences highlightedShow differences only

Comparison of PRIME B550M-K WIFI, B550 AORUS ELITE AX V2 (Rev. 1.5)
97 specifications	A ASUS PRIME B550M-K WIFI View product	B GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5)View product
Processoridentical
Processor manufacturer	AMD	AMD
Processor socket	Socket AM4	Socket AM4
Compatible processor series	AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series	AMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
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 slot pin countKnown for one	Unknown — not stated by the source	288
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 controllers1 differ
Supported storage drive types	HDD & SSD	HDD & SSD
Supported storage drive interfacesDiffers	M.2, SATA III	SATA III, PCI Express 3.0, PCI Express 4.0
Number of storage drives supported	6	6
RAID support	Yes	Yes
RAID levels	0, 1, 10	0, 1, 10
Number of HDDs supportedKnown for one	4	Unknown — not stated by the source
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	5120 x 2880 pixels
HDCPKnown for one	Unknown — not stated by the source	Yes
HDCP versionKnown for one	Unknown — not stated by the source	2.3
High Dynamic Range (HDR) supportedKnown for one	Unknown — not stated by the source	Yes
Internal I/O1 differ
USB 2.0 connectors	2	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	1	2
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
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	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 chassis fan connectorsKnown for one	2	Unknown — not stated by the source
Number of COM connectorsKnown for one	1	Unknown — not stated by the source
Rear panel I/O ports3 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
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 quantityDiffers	0	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Ethernet LAN (RJ-45) ports	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 quantity	0	0
DisplayPorts quantity	1	1
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Headphone outputsDiffers	1	5
Microphone in	Yes	Yes
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
WiFi-AP antenna jackKnown for one	Unknown — not stated by the source	2
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-A
PS/2 ports quantityKnown for one	1	Unknown — not stated by the source
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Gigabit Ethernet	2.5 Gigabit Ethernet, Gigabit Ethernet, Fast Ethernet
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	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), 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	5.2
Features3 differ
Component for	PC	PC
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipset family	AMD	AMD
Motherboard chipset	AMD B550	AMD B550
Audio output channels	7.1 channels	7.1 channels
Product colourDiffers	Multicolour	Black
PC health monitoringKnown for one	Unknown — not stated by the source	Fan, Voltage, Temperature, Water cooling
Windows operating systems supportedDiffers	Windows 10 x64, Windows 11	Windows 11 x64, Windows 10 x64
Expansion slots1 differ
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	3
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 size	22110	22110
2nd M.2 highest PCI Express generationKnown for one	Unknown — not stated by the source	3.0
PCI Express x1 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
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
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	221 mm	244 mm
Packaging contentidentical
Antenna includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	SATA
Bundled softwareKnown for one	Unknown — not stated by the source	Norton Internet Security

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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