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Product comparison · 2 motherboards

ASUS Prime B550M-A/CSM vs GIGABYTE B550 Aorus Master

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  • 42specifications compared
  • 18differ
  • 24identical
  • 42known for one product only

Key differences

  • Supported storage drive interfaces
    • M.2, SATA
    • SATA III
  • USB 2.0 connectors
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of SATA III connectors
    • 4
    • 6
  • USB 2.0 ports quantity
    • 0
    • 6
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 4
    • 0
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    • 2
    • 5
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
84 specifications
A

ASUS

Prime B550M-A/CSMView product
B

GIGABYTE

B550 Aorus MasterView product
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesAMD Ryzen 3000 SeriesAMD Ryzen 3000 Series
Maximum number of SMP processorsKnown for one1
Memory1 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsKnown for oneDual-channel
ECC сompatibilityKnown for oneECC & Non-ECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz2133,2400,2667,2933,3200 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, SATASATA III
RAID levelsKnown for one0, 1, 10
Graphicsidentical
Maximum graphics card memoryKnown for one16000 MB
Maximum resolutionKnown for one4096 x 2160 pixels
HDCPKnown for oneYes
On-board graphics cardKnown for oneNo
Internal I/O3 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 connectorsDiffers46
Number of SATA II connectors00
Number of Parallel ATA connectors00
Front panel audio connectorKnown for oneYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)Known for oneYes
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsKnown for one4
12V power connectorKnown for oneYes
TPM connectorKnown for oneYes
RGB LED pin headerKnown for oneYes
Number of SATA connectorsKnown for one0
Rear panel I/O ports7 differ
USB 2.0 ports quantityDiffers06
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers40
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 quantityDiffers25
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers10
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantity11
HDMI versionKnown for one2.1
DVI-D ports quantityDiffers10
S/PDIF out portKnown for oneYes
Digital audio optical outKnown for one1
WiFi-AP antenna jackKnown for one2
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.0
LAN controllerKnown for oneRealtek RTL8111H
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetAMD B550AMD B550
Audio chipDiffersRealtek ALC887Realtek ALC1220-VB
Audio output channels7.1 channels7.1 channels
PC health monitoringKnown for oneFan, Temperature, Voltage
Windows operating systems supportedDiffersWindows 10Windows 10 x64
Product colourKnown for oneBlack, Silver
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 4.x) slots11
Number of M.2 (M) slotsKnown for one3
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size256 Mbit256 Mbit
ACPI versionKnown for one5.0
Clear CMOS jumperKnown for oneYes
Desktop Management Interface (DMI) versionKnown for one2.7
System Management BIOS (SMBIOS) versionKnown for one2.7
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020
Weight & dimensions1 differ
WidthDiffers244 mm305 mm
Depth244 mm244 mm
Packaging contentidentical
Cables includedKnown for oneSATA
Drivers includedKnown for oneYes
Bundled softwareKnown for oneNorton Internet Security (OEM) XSplit Gamecaster + Broadcaster Realtek 8125 Gaming LAN Bandwidth Control Utility
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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