Product comparison · 2 motherboards

GIGABYTE A520M DS3H AC (Rev. 1.4) vs GIGABYTE B550M AORUS ELITE AX (REV. 1.4)

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  • 82specifications compared
  • 22differ
  • 60identical
  • 29known for one product only

Key differences

The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 1 more storage drives supported than the GIGABYTE A520M DS3H AC (Rev. 1.4) (6 vs 5). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 3 more RGB LED pin headers than the GIGABYTE A520M DS3H AC (Rev. 1.4) (5 vs 2). The GIGABYTE B550M AORUS ELITE AX (REV. 1.4) has 2 more USB 2.0 ports quantity than the GIGABYTE A520M DS3H AC (Rev. 1.4) (4 vs 2). Supported storage drive interfaces: PCI Express 3.0, SATA III on the GIGABYTE A520M DS3H AC (Rev. 1.4), M.2, SATA III on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4). Maximum resolution: 5120 x 2880 pixels on the GIGABYTE A520M DS3H AC (Rev. 1.4), 4096 x 2160 pixels on the GIGABYTE B550M AORUS ELITE AX (REV. 1.4).

  • Supported storage drive interfaces
    • A520M DS3H AC (Rev. 1.4):PCI Express 3.0, SATA III
    • B550M AORUS ELITE AX (REV. 1.4):M.2, SATA III
  • Number of storage drives supported
    • A520M DS3H AC (Rev. 1.4):5
    • B550M AORUS ELITE AX (REV. 1.4):6
  • Maximum resolution
    • A520M DS3H AC (Rev. 1.4):5120 x 2880 pixels
    • B550M AORUS ELITE AX (REV. 1.4):4096 x 2160 pixels
  • Number of RGB LED pin headers
    • A520M DS3H AC (Rev. 1.4):2
    • B550M AORUS ELITE AX (REV. 1.4):5
  • USB 2.0 ports quantity
    • A520M DS3H AC (Rev. 1.4):2
    • B550M AORUS ELITE AX (REV. 1.4):4
  • Headphone outputs
    • A520M DS3H AC (Rev. 1.4):3
    • B550M AORUS ELITE AX (REV. 1.4):1
  • Top Wi-Fi standard
    • A520M DS3H AC (Rev. 1.4):Wi-Fi 5 (802.11ac)
    • B550M AORUS ELITE AX (REV. 1.4):Wi-Fi 6E (802.11ax)
  • WLAN controller model
    • A520M DS3H AC (Rev. 1.4):Realtek RTL8821CE
    • B550M AORUS ELITE AX (REV. 1.4):Realtek RTL8852CE

Side by side

Differences highlightedShow differences only (off)
Comparison of A520M DS3H AC (Rev. 1.4), B550M AORUS ELITE AX (REV. 1.4)
111 specifications
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesDiffersAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Maximum number of SMP processorsKnown for oneUnknown — not stated by the source1
Supported processor socketsSocket AM4Socket AM4
Memory1 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Supported memory clock speedsDiffers4733,4600,4400,4000,3600,3333,3200,2933,2667,2400,2133,3866,3800,3733,3466,3400,3300 MHz4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)4733 MHz4733 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Maximum internal memory per slot32 GB32 GB
Memory slot pin countKnown for one288Unknown — not stated by the source
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersPCI Express 3.0, SATA IIIM.2, SATA III
Number of HDDs supportedKnown for oneUnknown — not stated by the source4
Number of storage drives supportedDiffers56
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphics1 differ
Parallel processing technology supportNot supportedNot supported
Maximum resolutionDiffers5120 x 2880 pixels4096 x 2160 pixels
HDCPYesYes
DirectX versionKnown for oneUnknown — not stated by the source12.0
HDCP versionKnown for one2.3Unknown — not stated by the source
High Dynamic Range (HDR) supportedKnown for oneYesUnknown — not stated by the source
Number of displays supportedKnown for one3Unknown — not stated by the source
Internal I/O1 differ
USB 2.0 connectors11
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
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
Number of chassis fan connectorsKnown for oneUnknown — not stated by the source2
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 source2
Serial port headers11
TPM connectorYesYes
RGB LED pin headerYesYes
Number of RGB LED pin headersDiffers25
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
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 quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
PS/2 ports quantity11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI version2.12.1
DVI-D ports quantity11
Headphone outputsDiffers31
Line-inKnown for oneUnknown — not stated by the sourceYes
Microphone inYesYes
WiFi-AP antenna jack22
DisplayPorts quantityKnown for one1Unknown — not stated by the source
DisplayPort versionKnown for one1.4Unknown — not stated by the source
USB connector typeKnown for oneUSB Type-AUnknown — not stated by the source
Network5 differ
Ethernet LANYesYes
Ethernet interface typeDiffersFast Ethernet, Gigabit EthernetGigabit Ethernet
LAN controllerKnown for oneUnknown — not stated by the sourceRealtek RTL8111H
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 5 (802.11ac), Wi-Fi 4 (802.11n)Wi-Fi 6E (802.11ax)
WLAN controller modelDiffersRealtek RTL8821CERealtek RTL8852CE
BluetoothYesYes
Bluetooth versionDiffers5.05.3
Features4 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A520AMD B550
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC897
Audio output channels7.1 channels7.1 channels
Product colourDiffersBlackBrown
PC health monitoringDiffersVoltage, Temperature, FanFan, Temperature, Voltage
Cooling typeKnown for oneUnknown — not stated by the sourcePassive
Power source typeKnown for oneUnknown — not stated by the sourceATX
Windows operating systems supportedDiffersWindows 11 x64, Windows 10 x64Windows 10 x64, Windows 11 x64
Expansion slots4 differ
PCI Express x1 (Gen 3.x) slotsDiffers21
PCI Express x16 (Gen 3.x) slots11
PCI Express x16 (Gen 4.x) slotsKnown for oneUnknown — not stated by the source1
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 source2280
2nd M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source3.0
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
Logistics dataidentical
Country of originKnown for oneUnknown — not stated by the sourceChina
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source265 mm
Package depthKnown for oneUnknown — not stated by the source265 mm
Package heightKnown for oneUnknown — not stated by the source65 mm
Package weightKnown for oneUnknown — not stated by the source1.27 kg
Weight & dimensionsidentical
Width244 mm244 mm
Depth244 mm244 mm
Packaging content1 differ
Antenna includedKnown for oneUnknown — not stated by the sourceYes
Screws includedKnown for oneUnknown — not stated by the sourceYes
Bundled softwareDiffersNorton Internet SecurityNorton® Internet Security (OEM version)LAN bandwidth management software
Cables includedKnown for oneSATAUnknown — not stated by the source
Technical detailsidentical
Warranty periodKnown for oneUnknown — not stated by the source3 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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