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Product comparison · 2 motherboards

ASUS PRIME B250M-A vs ASUS PRIME B250M-K

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  • 54specifications compared
  • 9differ
  • 45identical
  • 11known for one product only

Key differences

  • Number of chassis fan connectors
    • 2
    • 1
  • 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
  • HDMI ports quantity
    • 1
    • 0
  • Number of M.2 (M) slots
    • 2
    • 1
  • ACPI version
    • 6.0
    • 6.1
  • Width
    • 244 mm
    • 226 mm
  • Depth
    • 244 mm
    • 185 mm

Side by side

Differences highlightedShow differences only
65 specifications
A

ASUS

PRIME B250M-AView product
B

ASUS

PRIME B250M-KView product
Processor1 differ
Processor manufacturerIntelIntel
Processor socketLGA 1151 (Socket H4)LGA 1151 (Socket H4)
Compatible processor seriesDiffersIntel® Celeron®, Intel® Pentium®Intel® Celeron®
Intel Core i3/i5/i7/i9 seriesKnown for onei3-6xxx, i5-6xxx, i7-6xxx
Memoryidentical
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds2133,2400 MHz2133,2400 MHz
Maximum internal memoryKnown for one64 GB
Unbuffered memoryYesYes
Internal I/O1 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 connectors66
Number of SATA II connectors00
Number of Parallel ATA connectors00
S/PDIF out connectorYesYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers21
Chassis intrusion connectorKnown for oneYes
Number of COM connectors11
Serial port headersKnown for one1
TPM connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
Rear panel I/O ports3 differ
USB 2.0 ports quantity22
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
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantityDiffers10
DVI-D ports quantity11
Headphone outputs11
Microphone inKnown for oneYes
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek RTL8111HRealtek RTL8111H
Featuresidentical
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel® B250Intel® B250
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedKnown for oneWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slots22
PCI Express x16 (Gen 3.x) slots11
Number of M.2 (M) slotsDiffers21
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory size16 Mbit16 Mbit
ACPI versionDiffers6.06.1
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel® Turbo Boost Technology2.02.0
Intel® Optane™ Memory ReadyKnown for oneYes
Intel Extreme Memory Profile (XMP)Known for oneYes
Weight & dimensions2 differ
WidthDiffers244 mm226 mm
DepthDiffers244 mm185 mm

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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