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Product comparison · 2 motherboards

GIGABYTE B450M D3HP WIFI6E vs GIGABYTE B550M K WIFI6E

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  • 103specifications compared
  • 22differ
  • 81identical
  • 12known for one product only

Key differences

The GIGABYTE B550M K WIFI6E has 2,066 MHz more supported memory clock speed (max) than the GIGABYTE B450M D3HP WIFI6E (4733 MHz vs 2667 MHz). The GIGABYTE B450M D3HP WIFI6E has 2 more HDDs supported than the GIGABYTE B550M K WIFI6E (4 vs 2). The GIGABYTE B450M D3HP WIFI6E has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the GIGABYTE B550M K WIFI6E (2 vs 1). Memory channels: Dual-channel on the GIGABYTE B450M D3HP WIFI6E, Dodeca-channel on the GIGABYTE B550M K WIFI6E. Maximum resolution: 4096 x 2304 pixels on the GIGABYTE B450M D3HP WIFI6E, 5120 x 2880 pixels on the GIGABYTE B550M K WIFI6E.

  • Memory channels
    • Dual-channel
    • Dodeca-channel
  • Supported memory clock speed (max)
    • 2667 MHz
    • 4733 MHz
  • Number of HDDs supported
    • 4
    • 2
  • Maximum resolution
    • 4096 x 2304 pixels
    • 5120 x 2880 pixels
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of chassis fan connectors
    • 2
    • 1
  • USB 2.0 ports quantity
    • 3
    • 4
  • HDMI ports quantity
    • 2
    • 1

Side by side

Differences highlightedShow differences only
115 specifications
A

GIGABYTE

B450M D3HP WIFI6EView product
B

GIGABYTE

B550M K WIFI6EView product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 SeriesAMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Supported processor socketsSocket AM4Socket AM4
Memory3 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 MHz4733,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)Differs2667 MHz4733 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Maximum internal memory per slot32 GB32 GB
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, NVMe, PCI Express 2.0, PCI Express 3.0, SATA IIIM.2, SATA
Number of HDDs supportedDiffers42
Number of storage drives supported66
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Graphics1 differ
Parallel processing technology supportNot supportedNot supported
Maximum resolutionDiffers4096 x 2304 pixels5120 x 2880 pixels
HDCPKnown for oneYes
HDCP versionKnown for one2.3
DirectX version12.012.0
Internal I/O2 differ
USB 2.0 connectors11
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
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 connectorsDiffers21
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
12V power connectorYesYes
TPM connectorYesYes
Serial port headersKnown for one1
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one4
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers34
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 quantityKnown for one1
VGA (D-Sub) ports quantity00
HDMI ports quantityDiffers21
HDMI versionDiffers2.0b2.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort versionDiffers1.21.4
Headphone outputs11
Line-inYesYes
Microphone inYesYes
WiFi-AP antenna jack22
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit 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 modelDiffersRealtek RTL8852CEMediaTek MT7902
BluetoothYesYes
Bluetooth versionDiffers5.45.3
Features3 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B450AMD B550
Audio chipKnown for oneRealtek ALC897
Audio output channels7.1 channels7.1 channels
Product colourDark brownDark brown
PC health monitoringDiffersFan, Temperature, Voltage, Water coolingFan, Temperature, Voltage
Cooling typePassivePassive
Power source typeATXATX
Windows operating systems supportedDiffersWindows 10, Windows 11Windows 10 x64, Windows 11 x64
Expansion slots2 differ
PCI Express x1 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsKnown for one1
Number of M.2 (M) slots22
1st M.2 largest key sizeDiffers25802280
1st M.2 highest PCI Express generationDiffers3.04.0
2nd M.2 largest key size22802280
2nd M.2 highest PCI Express generationKnown for one3.0
PCI Express x1 (Gen 2.x) slotsKnown for one1
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 weightDiffers1.06 kg1.02 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)
Other features1 differ
WeightDiffers980 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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