Product comparison · 2 motherboards

GIGABYTE A520I AC (Rev. 1.4) vs MSI B550 GAMING WIFI6E

56specifications compared
29differ
27identical
43known for one product only

Key differences

The MSI B550 GAMING WIFI6E has 3,998 more memory slots than the GIGABYTE A520I AC (Rev. 1.4) (4000 vs 2). The GIGABYTE A520I AC (Rev. 1.4) has 500 MHz more supported memory clock speed (max) than the MSI B550 GAMING WIFI6E (5300 MHz vs 4800 MHz). The MSI B550 GAMING WIFI6E has 64 GB more maximum internal memory than the GIGABYTE A520I AC (Rev. 1.4) (128 GB vs 64 GB). ECC сompatibility: ECC & Non-ECC on the GIGABYTE A520I AC (Rev. 1.4), Non-ECC on the MSI B550 GAMING WIFI6E. Ethernet interface type: Fast Ethernet, Gigabit Ethernet on the GIGABYTE A520I AC (Rev. 1.4), Gigabit Ethernet on the MSI B550 GAMING WIFI6E.

Number of memory slots
- A520I AC (Rev. 1.4):2
- B550 GAMING WIFI6E:4000
ECC сompatibility
- A520I AC (Rev. 1.4):ECC & Non-ECC
- B550 GAMING WIFI6E:Non-ECC
Supported memory clock speed (max)
- A520I AC (Rev. 1.4):5300 MHz
- B550 GAMING WIFI6E:4800 MHz
Maximum internal memory
- A520I AC (Rev. 1.4):64 GB
- B550 GAMING WIFI6E:128 GB
Number of storage drives supported
- A520I AC (Rev. 1.4):5
- B550 GAMING WIFI6E:2
USB 2.0 connectors
- A520I AC (Rev. 1.4):1
- B550 GAMING WIFI6E:4000
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- A520I AC (Rev. 1.4):1
- B550 GAMING WIFI6E:3
USB 3.2 Gen 2 (3.1 Gen 2) connectors
- A520I AC (Rev. 1.4):0
- B550 GAMING WIFI6E:2

Side by side

Differences highlightedShow differences only

Comparison of A520I AC (Rev. 1.4), B550 GAMING WIFI6E
99 specifications	A GIGABYTE A520I AC (Rev. 1.4)View product	B MSI B550 GAMING WIFI6E 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 5000 Series, AMD Ryzen 3000 Series, AMD Ryzen 4000 Series
Supported processor sockets	Socket AM4	Socket AM4
Memory5 differ
Supported memory types	DDR4-SDRAM	DDR4-SDRAM
Number of memory slotsDiffers	2	4000
Memory slots type	DIMM	DIMM
Memory slot pin countKnown for one	288	Unknown — not stated by the source
Memory channels	Dual-channel	Dual-channel
ECC сompatibilityDiffers	ECC & Non-ECC	Non-ECC
Supported memory clock speedsDiffers	5300,5200,5100,4800,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz	2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Supported memory clock speed (max)Differs	5300 MHz	4800 MHz
Maximum internal memoryDiffers	64 GB	128 GB
Unbuffered memory	Yes	Yes
Maximum internal memory per slotKnown for one	32 GB	Unknown — not stated by the source
Storage controllers2 differ
Supported storage drive types	HDD & SSD	HDD & SSD
Supported storage drive interfacesDiffers	PCI Express 3.0, SATA III	M.2, PCI Express 4.0, PCI Express 3.0, SATA
Number of storage drives supportedDiffers	5	2
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsKnown for one	0, 1, 10	Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for one	Not supported	Unknown — not stated by the source
Maximum resolutionKnown for one	5120 x 2880 pixels	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
HDCP versionKnown for one	2.3	Unknown — not stated by the source
High Dynamic Range (HDR) supportedKnown for one	Yes	Unknown — not stated by the source
Number of displays supportedKnown for one	3	Unknown — not stated by the source
Internal I/O4 differ
USB 2.0 connectorsDiffers	1	4000
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	1	3
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers	0	2
Number of SATA III connectorsDiffers	4	6
Audio connectorKnown for one	Yes	Unknown — not stated by the source
Front panel audio connector	Yes	Yes
Front panel connector	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
CPU fan connector	Yes	Yes
Number of CPU fan connectorsKnown for one	1	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	Unknown — not stated by the source
Number of EPS power connectors (8-pin)Known for one	1	Unknown — not stated by the source
12V power connectorKnown for one	Yes	Unknown — not stated by the source
Serial port headersKnown for one	1	Unknown — not stated by the source
TPM connector	Yes	Yes
Number of SATA connectorsKnown for one	Unknown — not stated by the source	6
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	6
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
RGB LED pin headerKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports7 differ
USB 2.0 ports quantityDiffers	2	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	0
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	1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
VGA (D-Sub) ports quantity	0	0
HDMI ports quantityDiffers	2	1
HDMI versionDiffers	2.1	1.4
DVI-D ports quantity	0	0
DisplayPorts quantity	1	1
DisplayPort versionDiffers	1.4	1.2
Headphone outputsKnown for one	3	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
WiFi-AP antenna jackKnown for one	2	Unknown — not stated by the source
USB connector typeKnown for one	USB Type-A	Unknown — not stated by the source
Network4 differ
Ethernet LAN	Yes	Yes
Ethernet interface typeDiffers	Fast Ethernet, Gigabit Ethernet	Gigabit Ethernet
Wi-Fi	Yes	Yes
Top Wi-Fi standardDiffers	Wi-Fi 5 (802.11ac)	Wi-Fi 6E (802.11ax)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)	Wi-Fi 6 (802.11ax)
WLAN controller modelKnown for one	Realtek RTL8821CE	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.2	5.3
LAN controllerKnown for one	Unknown — not stated by the source	Realtek 8111H
Features1 differ
Component for	PC	PC
Motherboard form factorKnown for one	mini ITX	Unknown — not stated by the source
Motherboard chipset family	AMD	AMD
Motherboard chipsetDiffers	AMD A520	AMD B550
Audio output channels	7.1 channels	7.1 channels
Product colourKnown for one	Black	Unknown — not stated by the source
PC health monitoringKnown for one	Voltage, Temperature, Fan	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Windows 11 x64, Windows 10 x64	Unknown — not stated by the source
Audio chipKnown for one	Unknown — not stated by the source	Realtek ALC897
Expansion slots2 differ
PCI Express x16 (Gen 3.x) slots	1	1
Number of M.2 (M) slotsDiffers	1	2
1st M.2 largest key size	2280	2280
1st M.2 highest PCI Express generationDiffers	3.0	4.0
PCI Express x1 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x1 (Gen 4.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 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
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
BIOS3 differ
BIOS type	UEFI AMI	UEFI AMI
BIOS memory sizeDiffers	128 Mbit	256 Mbit
ACPI versionDiffers	5.0	6.0
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Desktop Management Interface (DMI) versionKnown for one	2.7	Unknown — not stated by the source
System Management BIOS (SMBIOS) versionDiffers	2.7	2.8
Weight & dimensionsidentical
WidthKnown for one	170 mm	Unknown — not stated by the source
DepthKnown for one	170 mm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Bundled softwareKnown for one	Norton Internet Security	Unknown — not stated by the source

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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