Product comparison · 2 motherboards

GIGABYTE A520I AC (Rev. 1.4) vs GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5)

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  • 83specifications compared
  • 25differ
  • 58identical
  • 13known for one product only

Key differences

The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 2 more memory slots than the GIGABYTE A520I AC (Rev. 1.4) (4 vs 2). The GIGABYTE A520I AC (Rev. 1.4) has 567 MHz more supported memory clock speed (max) than the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) (5300 MHz vs 4733 MHz). The GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5) has 64 GB more maximum internal memory than the GIGABYTE A520I AC (Rev. 1.4) (128 GB vs 64 GB). Top Wi-Fi standard: Wi-Fi 5 (802.11ac) on the GIGABYTE A520I AC (Rev. 1.4), Wi-Fi 6E (802.11ax) on the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5). WLAN controller model: Realtek RTL8821CE on the GIGABYTE A520I AC (Rev. 1.4), Realtek RTL8852CE on the GIGABYTE B550 AORUS ELITE AX V2 (Rev. 1.5).

  • Number of memory slots
    • A520I AC (Rev. 1.4):2
    • B550 AORUS ELITE AX V2 (Rev. 1.5):4
  • Supported memory clock speed (max)
    • A520I AC (Rev. 1.4):5300 MHz
    • B550 AORUS ELITE AX V2 (Rev. 1.5):4733 MHz
  • Maximum internal memory
    • A520I AC (Rev. 1.4):64 GB
    • B550 AORUS ELITE AX V2 (Rev. 1.5):128 GB
  • Number of storage drives supported
    • A520I AC (Rev. 1.4):5
    • B550 AORUS ELITE AX V2 (Rev. 1.5):6
  • USB 2.0 connectors
    • A520I AC (Rev. 1.4):1
    • B550 AORUS ELITE AX V2 (Rev. 1.5):2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • A520I AC (Rev. 1.4):1
    • B550 AORUS ELITE AX V2 (Rev. 1.5):2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • A520I AC (Rev. 1.4):4
    • B550 AORUS ELITE AX V2 (Rev. 1.5):3
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • A520I AC (Rev. 1.4):0
    • B550 AORUS ELITE AX V2 (Rev. 1.5):2

Side by side

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Comparison of A520I AC (Rev. 1.4), B550 AORUS ELITE AX V2 (Rev. 1.5)
96 specifications
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Supported processor socketsSocket AM4Socket AM4
Memory4 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory slot pin count288288
Memory channelsDual-channelDual-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Supported memory clock speedsDiffers5300,5200,5100,4800,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)Differs5300 MHz4733 MHz
Maximum internal memoryDiffers64 GB128 GB
Unbuffered memoryYesYes
Maximum internal memory per slot32 GB32 GB
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersPCI Express 3.0, SATA IIISATA III, PCI Express 3.0, PCI Express 4.0
Number of storage drives supportedDiffers56
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphicsidentical
Parallel processing technology supportNot supportedNot supported
Maximum resolution5120 x 2880 pixels5120 x 2880 pixels
HDCPYesYes
HDCP version2.32.3
High Dynamic Range (HDR) supportedYesYes
Number of displays supportedKnown for one3Unknown — not stated by the source
Internal I/O2 differ
USB 2.0 connectorsDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectors11
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
12V power connectorYesYes
Number of water pump connectorsKnown for oneUnknown — not stated by the source1
TPM connectorYesYes
RGB LED pin headerKnown for oneUnknown — not stated by the sourceYes
Number of RGB LED pin headersKnown for oneUnknown — not stated by the source5
Audio connectorKnown for oneYesUnknown — not stated by the source
Serial port headersKnown for one1Unknown — not stated by the source
Rear panel I/O ports4 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers43
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers02
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantityDiffers21
HDMI version2.12.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort version1.41.4
Headphone outputsDiffers35
Microphone inYesYes
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
WiFi-AP antenna jack22
USB connector typeUSB Type-AUSB Type-A
Network5 differ
Ethernet LANYesYes
Ethernet interface typeDiffersFast Ethernet, Gigabit Ethernet2.5 Gigabit Ethernet, Gigabit Ethernet, Fast Ethernet
Wi-FiYesYes
Top Wi-Fi standardDiffersWi-Fi 5 (802.11ac)Wi-Fi 6E (802.11ax)
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)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 modelDiffersRealtek RTL8821CERealtek RTL8852CE
BluetoothYesYes
Bluetooth versionDiffers4.25.2
Features3 differ
Component forPCPC
Motherboard form factorDiffersmini ITXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A520AMD B550
Audio output channels7.1 channels7.1 channels
Product colourBlackBlack
PC health monitoringDiffersVoltage, Temperature, FanFan, Voltage, Temperature, Water cooling
Windows operating systems supportedWindows 11 x64, Windows 10 x64Windows 11 x64, Windows 10 x64
Expansion slots3 differ
PCI Express x1 slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 slotsKnown for oneUnknown — not stated by the source3
Number of M.2 (M) slotsDiffers12
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationDiffers3.04.0
2nd M.2 largest key sizeKnown for oneUnknown — not stated by the source22110
2nd M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source3.0
PCI Express x16 (Gen 3.x) slotsKnown for one1Unknown — not stated by the source
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size128 Mbit128 Mbit
ACPI version5.05.0
Clear CMOS jumperYesYes
Desktop Management Interface (DMI) version2.72.7
System Management BIOS (SMBIOS) version2.72.7
Weight & dimensions2 differ
WidthDiffers170 mm305 mm
DepthDiffers170 mm244 mm
Packaging contentidentical
Antenna includedKnown for oneUnknown — not stated by the sourceYes
Cables includedSATASATA
Bundled softwareNorton Internet SecurityNorton Internet Security

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