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Product comparison · 2 motherboards

ASUS PRIME B550M-K WIFI vs ASUS X870 AYW GAMING WIFI W

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  • 59specifications compared
  • 24differ
  • 35identical
  • 29known for one product only

Key differences

The ASUS X870 AYW GAMING WIFI W has 2 more memory slots than the ASUS PRIME B550M-K WIFI (4 vs 2). The ASUS X870 AYW GAMING WIFI W has 192 GB more maximum internal memory than the ASUS PRIME B550M-K WIFI (256 GB vs 64 GB). The ASUS X870 AYW GAMING WIFI W has 1 more storage drives supported than the ASUS PRIME B550M-K WIFI (7 vs 6). Processor socket: Socket AM4 on the ASUS PRIME B550M-K WIFI, Socket AM5 on the ASUS X870 AYW GAMING WIFI W. Supported memory types: DDR4-SDRAM on the ASUS PRIME B550M-K WIFI, DDR5-SDRAM on the ASUS X870 AYW GAMING WIFI W.

  • 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 storage drives supported
    • 6
    • 7
  • RAID levels
    • 0, 1, 10
    • 0, 1, 5, 10
  • Number of CPU fan connectors
    • 1
    • 2

Side by side

Differences highlightedShow differences only
88 specifications
A

ASUS

PRIME B550M-K WIFIView product
B

ASUS

X870 AYW GAMING WIFI WView 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
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers24
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECCECC & Non-ECC
Maximum internal memoryDiffers64 GB256 GB
Unbuffered memoryYesYes
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 controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesM.2, SATA IIIM.2, SATA III
Number of HDDs supported44
Number of storage drives supportedDiffers67
RAID supportYesYes
RAID levelsDiffers0, 1, 100, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
Internal I/O3 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
USB 3.2 Gen 2x2 connectorsKnown for one1
Number of SATA III connectors44
S/PDIF out connectorKnown for oneYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectorsDiffers12
Number of chassis fan connectorsDiffers24
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)Differs12
12V power connectorYesYes
Number of COM connectors11
Number of water pump connectorsKnown for one1
TPM connectorYesYes
RGB LED pin headerKnown for oneYes
Number of RGB LED pin headersKnown for one3
Rear panel I/O ports3 differ
USB 2.0 ports quantityDiffers24
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 quantityDiffers01
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
USB4 Gen 3x2 ports quantityKnown for one2
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
DVI-D ports quantity00
Line-inKnown for oneYes
Microphone inYesYes
WiFi-AP antenna jackKnown for one1
USB connector typeKnown for oneUSB Type-A, USB Type-C
PS/2 ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Headphone outputsKnown for one1
Network1 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 6 (802.11ax)Wi-Fi 6 (802.11ax)
Wi-Fi standardsKnown for oneWi-Fi 6 (802.11ax)
BluetoothYesYes
Bluetooth versionKnown for one5.2
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B550AMD X870
Audio output channels7.1 channels7.1 channels
Product colourDiffersMulticolourWhite
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11
Expansion slots2 differ
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsKnown for one2
PCI Express x16 (Gen 5.x) slotsKnown for one1
Number of M.2 (M) slotsDiffers23
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationKnown for one5.0
2nd M.2 largest key sizeDiffers221102280
2nd M.2 highest PCI Express generationKnown for one4.0
3rd M.2 largest key sizeKnown for one2280
3rd 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 Mbit256 Mbit
Weight & dimensions2 differ
WidthDiffers244 mm305 mm
DepthDiffers221 mm244 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedKnown for oneSATA
Screws includedKnown for oneYes
Other featuresidentical
WeightKnown for one1.36 kg

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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