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Product comparison · 2 motherboards

ASUS Prime B550M-A/CSM vs ASUS ROG STRIX B550-E GAMING

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  • 35specifications compared
  • 18differ
  • 17identical
  • 50known for one product only

Key differences

  • USB 2.0 connectors
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • 0
    • 1
  • Number of SATA III connectors
    • 4
    • 6
  • USB 2.0 ports quantity
    • 0
    • 4
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • 0
    • 1
  • Ethernet interface type
    • Gigabit Ethernet
    • 2.5 Gigabit Ethernet
  • LAN controller
    • Realtek RTL8111H
    • Intel I225-V

Side by side

Differences highlightedShow differences only
85 specifications
A

ASUS

Prime B550M-A/CSMView product
B

ASUS

ROG STRIX B550-E GAMINGView product
Processor1 differ
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesDiffersAMD Ryzen 3000 SeriesAMD 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 & Non-ECC
Supported memory clock speedsDiffers2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz2133,2400,2666,2800,3000,3200,3466,3600,3866,4000,4133,4266,4400,4600,4800,5100 MHz
Maximum internal memory128 GB128 GB
Supported memory module capacitiesKnown for one32GB
Unbuffered memoryKnown for oneYes
Storage controllers1 differ
Supported storage drive typesKnown for oneHDD & SSD
Supported storage drive interfacesDiffersM.2, SATAM.2, PCI Express 4.0, SATA III
Number of HDDs supportedKnown for one6
Number of storage drives supportedKnown for one8
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 10
Graphicsidentical
Parallel processing technology supportKnown for one2-Way SLI, 3-Way CrossFireX
On-board graphics cardKnown for oneNo
Internal I/O4 differ
USB 2.0 connectorsDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of SATA III connectorsDiffers46
S/PDIF out connectorKnown for oneYes
Front panel audio connectorKnown for oneYes
ATX Power connector (24-pin)Known for oneYes
Number of EATX power connectorsKnown for one3
CPU fan connectorKnown for oneYes
Number of chassis fan connectorsKnown for one3
12V power connectorKnown for oneYes
Thunderbolt headersKnown for one1
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 ports2 differ
USB 2.0 ports quantityDiffers04
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 quantityDiffers01
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantityKnown for one1
Headphone outputs11
Microphone inYesYes
WiFi-AP antenna jackKnown for one2
USB connector typeKnown for oneUSB Type-A, USB Type-C
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0
eSATA ports quantityKnown for one0
PS/2 ports quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one0
VGA (D-Sub) ports quantityKnown for one1
DVI-D ports quantityKnown for one1
Network3 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
LAN controllerDiffersRealtek RTL8111HIntel I225-V
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneWi-Fi 6 (802.11ax)
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
WLAN controller modelKnown for oneIntel Wi-Fi 6 AX200
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.1
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXATX
Motherboard chipset familyAMDAMD
Motherboard chipsetAMD B550AMD B550
Audio chipDiffersRealtek ALC887SupremeFX S1220A
Audio output channels7.1 channels7.1 channels
Windows operating systems supportedDiffersWindows 10Windows 10 x64
Product colourKnown for oneBlack, Silver
Expansion slots1 differ
PCI Express x1 slotsKnown for one2
PCI Express x1 (Gen 3.x) slotsKnown for one2
PCI Express x16 slotsKnown for one3
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 4.x) slotsDiffers12
Number of M.2 (M) slotsKnown for one2
BIOS1 differ
BIOS typeDiffersUEFI AMIUEFI
Clear CMOS jumperKnown for oneYes
BIOS memory sizeKnown for one256 Mbit
Weight & dimensions1 differ
Width244 mm244 mm
DepthDiffers244 mm305 mm
Packaging contentidentical
Cables includedKnown for oneSATA, USB Type-C
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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