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Product comparison · 2 motherboards

ASUS PRIME B450M-A II/CSM vs ASUS ROG STRIX X870-I GAMING WIFI

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  • 50specifications compared
  • 26differ
  • 24identical
  • 31known for one product only

Key differences

  • Processor socket
    • Socket AM4
    • Socket AM5
  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of memory slots
    • 4
    • 2
  • ECC сompatibility
    • ECC
    • ECC & Non-ECC
  • Supported memory clock speed (max)
    • 4400 MHz
    • 8600 MHz
  • Maximum internal memory
    • 128 GB
    • 96 GB
  • Number of HDDs supported
    • 6
    • 2
  • Number of storage drives supported
    • 7
    • 4

Side by side

Differences highlightedShow differences only
81 specifications
A

ASUS

PRIME B450M-A II/CSMView product
B

ASUS

ROG STRIX X870-I GAMING WIFIView product
Processor2 differ
Processor socketDiffersSocket AM4Socket AM5
Compatible processor seriesDiffersAMD Ryzen 3000 SeriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Maximum number of SMP processorsKnown for one1
Supported processor socketsKnown for oneSocket AM4
Memory5 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers42
ECC сompatibilityDiffersECCECC & Non-ECC
Supported memory clock speedsKnown for one2133,2400,2666,2800,3000,3200,3300,3400,3466,3600,3733,3866,4000,4400 MHz
Supported memory clock speed (max)Differs4400 MHz8600 MHz
Maximum internal memoryDiffers128 GB96 GB
Storage controllers2 differ
Number of HDDs supportedDiffers62
Number of storage drives supportedDiffers74
Graphicsidentical
On-board graphics cardKnown for oneNo
Internal I/O3 differ
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectorsDiffers62
S/PDIF out connectorKnown for oneYes
Audio connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
Number of chassis fan connectorsDiffers21
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
RGB LED pin headerKnown for oneYes
Number of SATA II connectorsKnown for one0
Number of SATA connectorsKnown for one0
EPS power connector (8-pin)Known for oneYes
Rear panel I/O ports6 differ
USB 2.0 ports quantityDiffers03
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers40
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers24
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
PS/2 ports quantityKnown for one1
VGA (D-Sub) ports quantityDiffers10
DVI-D ports quantityDiffers10
USB4 Gen 3x2 ports quantityKnown for one2
USB connector typeKnown for oneUSB Type-A, USB Type-C
Network2 differ
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet, Fast Ethernet, Gigabit Ethernet
LAN controllerKnown for oneRealtek RTL8111H
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneWi-Fi 7 (802.11be)
Wi-Fi standardsKnown for oneWi-Fi 7 (802.11be)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.4
Features3 differ
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipsetDiffersAMD B450AMD X870
Audio chipKnown for oneRealtek ALC887 / Realtek ALC897
Audio output channelsKnown for one7.1 channels
Windows operating systems supportedDiffersWindows 10 x64, Windows 7 x64Windows 11 x64
Expansion slots1 differ
PCI Express x1 (Gen 2.x) slotsKnown for one2
PCI Express x16 (Gen 3.x) slotsKnown for one1
Number of M.2 (M) slotsDiffers12
PCI Express x16 (Gen 5.x) slotsKnown for one1
BIOSidentical
Clear CMOS buttonKnown for oneYes
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers240 mm170 mm
Packaging contentidentical
Cables includedKnown for oneSATA
Drivers includedKnown for oneYes
Other featuresidentical
Back-to-BIOS buttonKnown for oneYes
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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