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Product comparison · 2 motherboards

ASUS PRIME B250M-A/CSM vs ASUS ROG STRIX B250I GAMING

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  • 53specifications compared
  • 15differ
  • 38identical
  • 26known for one product only

Key differences

  • Maximum internal memory
    • 64 GB
    • 32 GB
  • USB 2.0 connectors
    • 2
    • 0
  • Number of SATA III connectors
    • 6
    • 4
  • 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
  • PS/2 ports quantity
    • 2
    • 0
  • VGA (D-Sub) ports quantity
    • 1
    • 0

Side by side

Differences highlightedShow differences only
79 specifications
A

ASUS

PRIME B250M-A/CSMView product
B

ASUS

ROG STRIX B250I GAMINGView product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1151 (Socket H4)LGA 1151 (Socket H4)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Maximum number of SMP processorsKnown for one1
Memory1 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slotsKnown for one4
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds2133,2400 MHz2133,2400 MHz
Maximum internal memoryDiffers64 GB32 GB
Unbuffered memoryYesYes
Graphicsidentical
Maximum graphics card memoryKnown for one1024 MB
Maximum resolution4096 x 2160 pixels4096 x 2160 pixels
Number of displays supportedKnown for one3
Graphics card familyKnown for oneIntel
Internal I/O3 differ
USB 2.0 connectorsDiffers20
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
S/PDIF out connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
Front panel connectorYesYes
ATX Power connector (24-pin)Known for oneYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers21
Chassis intrusion connectorKnown for oneYes
12V power connectorKnown for oneYes
Number of COM connectorsKnown for one1
TPM connectorYesYes
Rear panel I/O ports5 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 quantityDiffers20
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
DVI-D ports quantityDiffers10
DisplayPorts quantityKnown for one1
Headphone outputsKnown for one1
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Serial ports quantityKnown for one0
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek RTL8111HIntel® I219-V
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.1
Features2 differ
Component forDiffersMini PCPC
Motherboard form factorDiffersmicro ATXmini ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel® B250Intel® B250
Audio chipKnown for oneRealtek ALC887
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedWindows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, 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 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, WindowWindows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, 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 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Window
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one1
Number of M.2 (M) slots22
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory size128 Mbit128 Mbit
ACPI versionDiffers6.05.0
Clear CMOS jumperKnown for oneYes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)YesYes
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers206 mm170 mm
Packaging contentidentical
Cables includedSATASATA
ManualYesYes
Drivers includedKnown for oneYes
Other featuresidentical
mSATA ports quantityKnown for one0

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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