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Product comparison · 2 motherboards

ASUS PRIME B550M-K WIFI vs ASUS ROG CROSSHAIR X870E EDITION 20

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  • 58specifications compared
  • 32differ
  • 26identical
  • 39known for one product only

Key differences

  • Processor socket
    • Socket AM4
    • Socket AM5
  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of memory slots
    • 2
    • 4
  • ECC сompatibility
    • ECC
    • ECC & Non-ECC
  • Maximum internal memory
    • 64 GB
    • 256 GB
  • Number of HDDs supported
    • 4
    • 2
  • Number of storage drives supported
    • 6
    • 7
  • RAID levels
    • 0, 1, 10
    • 0, 1, 5, 10

Side by side

Differences highlightedShow differences only
97 specifications
A

ASUS

PRIME B550M-K WIFIView product
B

ASUS

ROG CROSSHAIR X870E EDITION 20View product
Processor2 differ
Processor manufacturerAMDAMD
Processor socketDiffersSocket AM4Socket AM5
Compatible processor seriesDiffersAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor socketsKnown for oneSocket AM5
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECCECC & Non-ECC
Supported memory clock speed (max)Known for one9600 MHz
Maximum internal memoryDiffers64 GB256 GB
Unbuffered memoryYesYes
Maximum internal memory per slotKnown for one64 GB
Supported memory clock speedsKnown for one5100,4866,4600,4466,4400,4333,4266,4200,4133,4000,3866,3733,3600,3466,3400,3333,3200,3000,2933,2800,2666,2400,2133 MHz
Storage controllers4 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIIM.2, PCI Express 5.0, PCI Express 4.0, SATA III
Number of HDDs supportedDiffers42
Number of storage drives supportedDiffers67
RAID supportYesYes
RAID levelsDiffers0, 1, 100, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
Maximum resolutionKnown for one3840 x 2160 pixels
Internal I/O5 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers02
Number of SATA III connectorsDiffers42
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectors11
Number of chassis fan connectors22
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)Differs13
12V power connectorYesYes
Number of water pump connectorsKnown for one2
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one5
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers48
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers04
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
USB4 Gen 3x2 ports quantityKnown for one2
Ethernet LAN (RJ-45) portsDiffers12
VGA (D-Sub) ports quantity00
HDMI ports quantityDiffers10
DVI-D ports quantity00
DisplayPort versionKnown for one1.4a
Headphone outputs11
Line-inKnown for oneYes
Microphone inYesYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
PS/2 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet10 Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Wi-Fi 7 (802.11be)
Wi-Fi standardsKnown for oneWi-Fi 7 (802.11be)
WLAN controller modelKnown for oneMediaTek MT7927
BluetoothYesYes
Bluetooth versionKnown for one5.4
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B550AMD X870E
Audio chipKnown for oneRealtek ALC4082
Audio output channels7.1 channels7.1 channels
Product colourDiffersMulticolourBlack
Cooling typeKnown for oneliquid
Power source typeKnown for oneATX
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11
Expansion slots3 differ
PCI Express x16 (Gen 5.x) slotsKnown for one2
Number of M.2 (M) slotsDiffers25
1st M.2 largest key sizeDiffers228022110
1st M.2 highest PCI Express generationKnown for one5.0
2nd M.2 largest key sizeDiffers221102280
2nd M.2 highest PCI Express generationKnown for one5.0
3rd M.2 largest key sizeKnown for one2280
3rd M.2 highest PCI Express generationKnown for one4.0
4th M.2 largest key sizeKnown for one2280
4th M.2 highest PCI Express generationKnown for one4.0
5th M.2 largest key sizeKnown for one2280
5th M.2 highest PCI Express generationKnown for one4.0
PCI Express x1 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers128 Mbit512 Mbit
Clear CMOS buttonKnown for oneYes
BIOS flashback buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers221 mm277 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedKnown for oneSATA
Screws includedKnown for oneYes

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