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
    • Prime B550M-A/CSM:4
    • ROG STRIX B550-E GAMING:2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • Prime B550M-A/CSM:2
    • ROG STRIX B550-E GAMING:1
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • Prime B550M-A/CSM:0
    • ROG STRIX B550-E GAMING:1
  • Number of SATA III connectors
    • Prime B550M-A/CSM:4
    • ROG STRIX B550-E GAMING:6
  • USB 2.0 ports quantity
    • Prime B550M-A/CSM:0
    • ROG STRIX B550-E GAMING:4
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    • Prime B550M-A/CSM:0
    • ROG STRIX B550-E GAMING:1
  • Ethernet interface type
    • Prime B550M-A/CSM:Gigabit Ethernet
    • ROG STRIX B550-E GAMING:2.5 Gigabit Ethernet
  • LAN controller
    • Prime B550M-A/CSM:Realtek RTL8111H
    • ROG STRIX B550-E GAMING:Intel I225-V

Side by side

Differences highlightedShow differences only (on)
Comparison of Prime B550M-A/CSM, ROG STRIX B550-E GAMING
85 specifications
Processor1 differ
Compatible processor seriesDiffersAMD Ryzen 3000 SeriesAMD Ryzen 2000 Series, AMD Ryzen 3000 Series
Supported processor socketsKnown for oneUnknown — not stated by the sourceSocket AM4
Memory1 differ
Memory channelsKnown for oneUnknown — not stated by the sourceDual-channel
ECC сompatibilityKnown for oneUnknown — not stated by the sourceECC & 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
Supported memory module capacitiesKnown for oneUnknown — not stated by the source32GB
Unbuffered memoryKnown for oneUnknown — not stated by the sourceYes
Storage controllers1 differ
Supported storage drive typesKnown for oneUnknown — not stated by the sourceHDD & SSD
Supported storage drive interfacesDiffersM.2, SATAM.2, PCI Express 4.0, SATA III
Number of HDDs supportedKnown for oneUnknown — not stated by the source6
Number of storage drives supportedKnown for oneUnknown — not stated by the source8
RAID supportKnown for oneUnknown — not stated by the sourceYes
RAID levelsKnown for oneUnknown — not stated by the source0, 1, 10
Graphicsidentical
Parallel processing technology supportKnown for oneUnknown — not stated by the source2-Way SLI, 3-Way CrossFireX
On-board graphics cardKnown for oneNoUnknown — not stated by the source
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 oneUnknown — not stated by the sourceYes
Front panel audio connectorKnown for oneUnknown — not stated by the sourceYes
ATX Power connector (24-pin)Known for oneUnknown — not stated by the sourceYes
Number of EATX power connectorsKnown for oneUnknown — not stated by the source3
CPU fan connectorKnown for oneUnknown — not stated by the sourceYes
Number of chassis fan connectorsKnown for oneUnknown — not stated by the source3
12V power connectorKnown for oneUnknown — not stated by the sourceYes
Thunderbolt headersKnown for oneUnknown — not stated by the source1
RGB LED pin headerKnown for oneUnknown — not stated by the sourceYes
Number of SATA II connectorsKnown for one0Unknown — not stated by the source
Number of SATA connectorsKnown for one0Unknown — not stated by the source
Number of Parallel ATA connectorsKnown for one0Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers04
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityDiffers01
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
USB connector typeKnown for oneUnknown — not stated by the sourceUSB Type-A, USB Type-C
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one4Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0Unknown — not stated by the source
eSATA ports quantityKnown for one0Unknown — not stated by the source
PS/2 ports quantityKnown for one1Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one1Unknown — not stated by the source
DVI-D ports quantityKnown for one1Unknown — not stated by the source
Network3 differ
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
LAN controllerDiffersRealtek RTL8111HIntel I225-V
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 6 (802.11ax)
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
WLAN controller modelKnown for oneUnknown — not stated by the sourceIntel Wi-Fi 6 AX200
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source5.1
Features3 differ
Motherboard form factorDiffersmicro ATXATX
Audio chipDiffersRealtek ALC887SupremeFX S1220A
Windows operating systems supportedDiffersWindows 10Windows 10 x64
Product colourKnown for oneBlack, SilverUnknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slotsKnown for oneUnknown — not stated by the source2
PCI Express x1 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source2
PCI Express x16 slotsKnown for oneUnknown — not stated by the source3
PCI Express x16 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 (Gen 4.x) slotsDiffers12
Number of M.2 (M) slotsKnown for oneUnknown — not stated by the source2
BIOS1 differ
BIOS typeDiffersUEFI AMIUEFI
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
BIOS memory sizeKnown for one256 MbitUnknown — not stated by the source
Weight & dimensions1 differ
DepthDiffers244 mm305 mm
Packaging contentidentical
Cables includedKnown for oneUnknown — not stated by the sourceSATA, USB Type-C
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
mSATA ports quantityKnown for one0Unknown — not stated by the source

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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