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Product comparison · 2 motherboards

GIGABYTE A520M DS3H WIFI6E vs GIGABYTE B550M K WIFI6E

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  • 107specifications compared
  • 12differ
  • 95identical
  • 5known for one product only

Key differences

The GIGABYTE A520M DS3H WIFI6E has 2 more HDDs supported than the GIGABYTE B550M K WIFI6E (4 vs 2). The GIGABYTE B550M K WIFI6E has 1 more storage drives supported than the GIGABYTE A520M DS3H WIFI6E (6 vs 5). The GIGABYTE B550M K WIFI6E has 1 more m.2 (M) slots than the GIGABYTE A520M DS3H WIFI6E (2 vs 1). Memory channels: Dual-channel on the GIGABYTE A520M DS3H WIFI6E, Dodeca-channel on the GIGABYTE B550M K WIFI6E. Supported storage drive interfaces: M.2, SATA III on the GIGABYTE A520M DS3H WIFI6E, M.2, SATA on the GIGABYTE B550M K WIFI6E.

  • Memory channels
    • Dual-channel
    • Dodeca-channel
  • Supported storage drive interfaces
    • M.2, SATA III
    • M.2, SATA
  • Number of HDDs supported
    • 4
    • 2
  • Number of storage drives supported
    • 5
    • 6
  • Motherboard chipset
    • AMD A520
    • AMD B550
  • PC health monitoring
    • Temperature, Voltage, Fan
    • Fan, Temperature, Voltage
  • Number of M.2 (M) slots
    • 1
    • 2
  • 1st M.2 highest PCI Express generation
    • 3.0
    • 4.0

Side by side

Differences highlightedShow differences only
112 specifications
A

GIGABYTE

A520M DS3H WIFI6EView product
B

GIGABYTE

B550M K WIFI6EView product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesDiffersAMD Ryzen 3000 Series, AMD Ryzen 5000 Series, AMD Ryzen 4000 SeriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4Socket AM4
Memory2 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDiffersDual-channelDodeca-channel
ECC сompatibilityECC & Non-ECCECC & Non-ECC
Supported memory clock speedsDiffers2133,2400,2667,2933,3200,3600,4000,4400,4733,3400,3466,3733,3866,4133,4266,4600 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
Storage controllers3 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, SATA
Number of HDDs supportedDiffers42
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
DirectX version12.012.0
Internal I/Oidentical
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 connectors11
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
12V power connectorYesYes
TPM connectorYesYes
Rear panel I/O portsidentical
USB 2.0 ports quantity44
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 quantity00
DisplayPorts quantity11
DisplayPort version1.41.4
Headphone outputs11
Line-inYesYes
Microphone inYesYes
WiFi-AP antenna jack22
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit Ethernet, Fast EthernetGigabit Ethernet, Fast Ethernet
LAN controllerRealtek RTL8111HRealtek RTL8111H
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 6E (802.11ax)Wi-Fi 6E (802.11ax)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)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 modelMediaTek MT7902MediaTek MT7902
BluetoothYesYes
Bluetooth version5.35.3
Features2 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A520AMD B550
Audio chipRealtek ALC897Realtek ALC897
Audio output channels7.1 channels7.1 channels
Product colourDark brownDark brown
PC health monitoringDiffersTemperature, Voltage, FanFan, Temperature, Voltage
Cooling typePassivePassive
Power source typeATXATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64Windows 10 x64, Windows 11 x64
Expansion slots2 differ
PCI Express x1 (Gen 3.x) slots11
PCI Express x16 (Gen 4.x) slotsKnown for one1
Number of M.2 (M) slotsDiffers12
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationDiffers3.04.0
2nd M.2 largest key sizeKnown for one2280
2nd M.2 highest PCI Express generationKnown for one3.0
PCI Express x16 (Gen 3.x) slotsKnown for one1
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 originChinaChina
Products per shipping (inner) case1 pc(s)1 pc(s)
Batteryidentical
Battery weight3 g3 g
Lithium weight per battery0.07 g0.07 g
Number of battery cells11
Battery capacity220 mAh220 mAh
Battery technologyLithium-Manganese Dioxide (LiMnO2)Lithium-Manganese Dioxide (LiMnO2)
Battery typeCR2032CR2032
Packaging data1 differ
Package width270 mm270 mm
Package depth268 mm268 mm
Package height68 mm68 mm
Package weightDiffers972 g1.02 kg
Weight & dimensionsidentical
Width244 mm244 mm
Depth244 mm244 mm
Height35 mm35 mm
Packaging contentidentical
Antenna includedYesYes
Batteries includedYesYes
Screws includedYesYes
Bundled softwareNorton® Internet Security (OEM version)Norton® Internet Security (OEM version)
Drivers includedKnown for oneYes
Other features1 differ
WeightDiffers880 g940 g
Technical detailsidentical
Warranty period3 year(s)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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