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Product comparison · 2 motherboards

ASUS PRIME B450-PLUS vs ASUS PRIME B450M-K

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  • 58specifications compared
  • 15differ
  • 43identical
  • 12known for one product only

Key differences

  • Maximum internal memory
    • 64 GB
    • 32 GB
  • Maximum resolution
    • 4096 x 2160 pixels
    • 1920 x 1200 pixels
  • Number of SATA III connectors
    • 6
    • 4
  • Number of chassis fan connectors
    • 3
    • 1
  • USB 2.0 ports quantity
    • 2
    • 0
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
    • 1
    • 0
  • PS/2 ports quantity
    • 1
    • 2

Side by side

Differences highlightedShow differences only
70 specifications
A

ASUS

PRIME B450-PLUSView product
B

ASUS

PRIME B450M-KView product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesAMD Athlon, AMD Ryzen 2000 Series, AMD Ryzen 3000 SeriesAMD Athlon, AMD Ryzen 2000 Series, AMD Ryzen 3000 Series
Maximum number of SMP processors11
Memory2 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slotsKnown for one4
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityKnown for oneECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200 MHz2133,2400,2666,2800,2933,3000,3200 MHz
Maximum internal memoryDiffers64 GB32 GB
Unbuffered memoryYesYes
Graphics1 differ
Parallel processing technology supportKnown for oneCrossFireX
Maximum resolutionDiffers4096 x 2160 pixels1920 x 1200 pixels
Internal I/O2 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
Number of SATA III connectorsDiffers64
Number of SATA II connectors00
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers31
12V power connectorYesYes
Number of COM connectors11
S/PDIF out connectorKnown for oneYes
Audio 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 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 quantity22
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers12
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers01
HDMI versionKnown for one2.0b
DVI-D ports quantity11
HDMI ports quantityKnown for one0
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111HRealtek RTL8111H
Wake-on-LAN readyKnown for oneYes
Features1 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetAMD B450AMD B450
Audio chipKnown for oneRealtek ALC887-VD2
Audio output channelsKnown for one7.1 channels
Windows operating systems supportedWindows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64Windows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64
Expansion slots2 differ
PCI Express x1 (Gen 2.x) slotsDiffers32
PCI Express x16 (Gen 3.x) slotsDiffers21
Number of M.2 (M) slots11
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size128 Mbit128 Mbit
ACPI version6.16.1
Clear CMOS jumperYesYes
System Management BIOS (SMBIOS) version3.13.1
Plug and PlayKnown for oneYes
Logistics dataidentical
Harmonized System (HS) code8473302084733020
Weight & dimensions2 differ
WidthDiffers305 mm226 mm
DepthDiffers234 mm221 mm
Packaging contentidentical
Cables includedSATASATA
ManualYesYes
Drivers includedYesYes
Storage controllersidentical
RAID levelsKnown for one0, 1, 10

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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