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Product comparison · 2 motherboards

ASUS PRIME B450M-A vs ASUS ROG STRIX B450-I GAMING

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  • 60specifications compared
  • 19differ
  • 41identical
  • 15known for one product only

Key differences

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

Side by side

Differences highlightedShow differences only
75 specifications
A

ASUS

PRIME B450M-AView product
B

ASUS

ROG STRIX B450-I GAMINGView 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
Memory4 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECCNon-ECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200 MHz2133,2400,2666,2800,2933,3000,3200,3400,3466,3600 MHz
Maximum internal memoryDiffers64 GB32 GB
Unbuffered memoryYesYes
Storage controllersidentical
RAID levels0, 1, 100, 1, 10
Graphicsidentical
Maximum graphics card memoryKnown for one2048 MB
Maximum resolution4096 x 2160 pixels4096 x 2160 pixels
Internal I/O3 differ
USB 2.0 connectorsDiffers21
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
Audio connectorYesYes
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 connectorsDiffers21
12V power connectorYesYes
S/PDIF out connectorKnown for oneYes
Number of COM connectorsKnown for one1
TPM connectorKnown for oneYes
Rear panel I/O ports3 differ
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
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 quantityKnown for one0
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsKnown for one0
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
HDMI version2.0b2.0b
DVI-D ports quantityDiffers10
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek RTL8111HIntel® I211-AT
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 one4.2
Features2 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyAMDAMD
Motherboard chipsetAMD B450AMD B450
Audio chipDiffersRealtek ALC887SupremeFX S1220A
Audio output channels7.1 channels7.1 channels
Windows operating systems supportedKnown for oneWindows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64
Expansion slots1 differ
PCI Express x16 (Gen 3.x) slots11
Number of M.2 (M) slotsDiffers12
PCI Express x1 (Gen 2.x) slotsKnown for one2
BIOS3 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers128 Mbit256 Mbit
ACPI versionDiffers6.16.0
Clear CMOS jumperYesYes
System Management BIOS (SMBIOS) versionDiffers3.13.0
Plug and PlayKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers240 mm170 mm
Packaging contentidentical
Cables includedSATASATA
ManualYesYes
Drivers includedYesYes
Other featuresidentical
Bluetooth Low Energy (BLE)Known for oneYes

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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