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Product comparison · 2 motherboards

ASUS PRIME A620A-PLUS WIFI vs ASUS PRIME B550M-K WIFI

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  • 62specifications compared
  • 18differ
  • 44identical
  • 33known for one product only

Key differences

The ASUS PRIME A620A-PLUS WIFI has 2 more memory slots than the ASUS PRIME B550M-K WIFI (4 vs 2). The ASUS PRIME A620A-PLUS WIFI has 192 GB more maximum internal memory than the ASUS PRIME B550M-K WIFI (256 GB vs 64 GB). The ASUS PRIME A620A-PLUS WIFI has 1 more USB 3.2 Gen 1 (3.1 Gen 1) connectors than the ASUS PRIME B550M-K WIFI (2 vs 1). Processor socket: Socket AM5 on the ASUS PRIME A620A-PLUS WIFI, Socket AM4 on the ASUS PRIME B550M-K WIFI. Supported memory types: DDR5-SDRAM on the ASUS PRIME A620A-PLUS WIFI, DDR4-SDRAM on the ASUS PRIME B550M-K WIFI.

  • Processor socket
    • Socket AM5
    • Socket AM4
  • Supported memory types
    • DDR5-SDRAM
    • DDR4-SDRAM
  • Number of memory slots
    • 4
    • 2
  • ECC сompatibility
    • ECC & Non-ECC
    • ECC
  • Maximum internal memory
    • 256 GB
    • 64 GB
  • RAID levels
    • 0, 1, 5, 10
    • 0, 1, 10
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of chassis fan connectors
    • 3
    • 2

Side by side

Differences highlightedShow differences only
95 specifications
A

ASUS

PRIME A620A-PLUS WIFIView product
B

ASUS

PRIME B550M-K WIFIView product
Processor2 differ
Processor manufacturerAMDAMD
Processor socketDiffersSocket AM5Socket AM4
Compatible processor seriesDiffersAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 SeriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Supported processor socketsKnown for oneSocket AM5
Memory4 differ
Supported memory typesDiffersDDR5-SDRAMDDR4-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECC & Non-ECCECC
Supported memory clock speed (max)Known for one7600 MHz
Maximum internal memoryDiffers256 GB64 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 controllers1 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 supported66
RAID supportYesYes
RAID levelsDiffers0, 1, 5, 100, 1, 10
Graphicsidentical
Parallel processing technology supportKnown for oneNot supported
Maximum resolutionKnown for one7680 x 4320 pixels
Internal I/O2 differ
USB 2.0 connectors22
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
S/PDIF out connectorKnown for oneYes
Front panel audio connectorYesYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectors11
Number of chassis fan connectorsDiffers32
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
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 quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
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 versionKnown for one2.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort versionKnown for one1.4
Headphone outputs11
Microphone inYesYes
WiFi-AP antenna jackKnown for one2
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit 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 one5.3
Features3 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD A620AAMD B550
Audio output channels7.1 channels7.1 channels
Product colourDiffersBlackMulticolour
Cooling typeKnown for onePassive
Power source typeKnown for oneATX
Windows operating systems supportedWindows 10 x64, Windows 11Windows 10 x64, Windows 11
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one4
PCI Express x16 (Gen 4.x) slotsKnown for one1
Number of M.2 (M) slots22
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationKnown for one4.0
2nd M.2 largest key size2211022110
2nd M.2 highest PCI Express generationKnown for one3.0
PCI Express x1 (Gen 3.x) slotsKnown for one1
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers256 Mbit128 Mbit
Packaging dataidentical
Package widthKnown for one338 mm
Package depthKnown for one273 mm
Package heightKnown for one68 mm
Package weightKnown for one1.25 kg
Weight & dimensions2 differ
WidthDiffers305 mm244 mm
DepthDiffers244 mm221 mm
HeightKnown for one40 mm
Packaging contentidentical
Antenna includedKnown for oneYes
Cables includedKnown for oneSATA
Screws includedKnown for oneYes
Other featuresidentical
WeightKnown for one830 g

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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