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Product comparison · 2 motherboards

ASUS Prime B550M-A/CSM vs ASUS TUF GAMING B450M-PRO S

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  • 40specifications compared
  • 14differ
  • 26identical
  • 40known for one product only

Key differences

  • Supported storage drive interfaces
    • M.2, SATA
    • M.2, SATA III
  • USB 2.0 connectors
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • USB 2.0 ports quantity
    • 0
    • 2
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • 2
    • 1
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • 0
    • 1
  • VGA (D-Sub) ports quantity
    • 1
    • 0
  • Ethernet interface type
    • Gigabit Ethernet
    • 2.5 Gigabit Ethernet

Side by side

Differences highlightedShow differences only
80 specifications
A

ASUS

Prime B550M-A/CSMView product
B

ASUS

TUF GAMING B450M-PRO SView product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesDiffersAMD Ryzen 3000 SeriesAMD Athlon, AMD Ryzen 2000 Series, AMD Ryzen 3000 Series
Supported processor socketsKnown for oneSocket AM4
Memory1 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsKnown for oneDual-channel
ECC сompatibilityKnown for oneECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz2133,2400,2666,2800,3000,3200,3466,3533,4400 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryKnown for oneYes
Storage controllers1 differ
Supported storage drive typesKnown for oneHDD & SSD
Supported storage drive interfacesDiffersM.2, SATAM.2, SATA III
Number of HDDs supportedKnown for one4
Number of storage drives supportedKnown for one6
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 10
Graphicsidentical
Parallel processing technology supportKnown for one2-Way CrossFireX
Discrete graphics supportKnown for oneYes
On-board graphics cardKnown for oneNo
Internal I/O2 differ
USB 2.0 connectorsDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
Audio connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)Known for oneYes
Number of EATX power connectorsKnown for one1
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsKnown for one2
EPS power connector (8-pin)Known for oneYes
Serial port headersKnown 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
Number of Parallel ATA connectorsKnown for one0
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers02
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 quantityDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
PS/2 ports quantity11
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
DVI-D ports quantity11
Headphone outputs11
Microphone inYesYes
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
USB connector typeKnown for oneUSB Type-A, USB Type-C
eSATA ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
LAN controllerDiffersRealtek RTL8111HRealtek RTL8125B
Wi-FiNoNo
Features3 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B550AMD B450
Audio chipDiffersRealtek ALC887Realtek ALC S1200A
Audio output channels7.1 channels7.1 channels
Windows operating systems supportedDiffersWindows 10Windows 10 x64, Windows 7 x64
Product colourKnown for oneBlack, Silver
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1
PCI Express x16 (Gen 2.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one1
Number of M.2 (M) slotsKnown for one2
PCI Express x16 (Gen 4.x) slotsKnown for one1
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size256 Mbit256 Mbit
Clear CMOS jumperKnown for oneYes
Weight & dimensionsidentical
Width244 mm244 mm
Depth244 mm244 mm
Packaging contentidentical
Cables includedKnown for oneSATA
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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