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Product comparison · 2 motherboards

ASUS PRIME B660M-A WIFI D4 vs ASUS ROG STRIX B660-I GAMING WIFI

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  • 65specifications compared
  • 20differ
  • 45identical
  • 10known for one product only

Key differences

  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of memory slots
    • 4
    • 2
  • Maximum internal memory
    • 128 GB
    • 64 GB
  • Number of displays supported
    • 3
    • 2
  • USB 2.0 connectors
    • 3
    • 1
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 3
    • 1
  • USB 3.2 Gen 2 (3.1 Gen 2) connectors
    • 0
    • 1
  • USB 2.0 ports quantity
    • 4
    • 3

Side by side

Differences highlightedShow differences only
75 specifications
A

ASUS

PRIME B660M-A WIFI D4View product
B

ASUS

ROG STRIX B660-I GAMING WIFIView product
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers42
Supported memory clock speedsDiffers2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,4000,4400,4600,4800,5000,5333 MHz4800,5000,5200,5400,5600,5800,6000,6200 MHz
Maximum internal memoryDiffers128 GB64 GB
Graphics1 differ
Number of displays supportedDiffers32
Internal I/O3 differ
USB 2.0 connectorsDiffers31
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers31
USB 3.2 Gen 2 (3.1 Gen 2) connectorsDiffers01
Number of chassis fan connectorsKnown for one2
Number of COM connectorsKnown for one1
Rear panel I/O ports5 differ
USB 2.0 ports quantityDiffers43
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers03
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers01
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers20
PS/2 ports quantityKnown for one1
HDMI ports quantityDiffers21
USB 3.2 Gen 2x2 Type-C ports quantityKnown for one1
S/PDIF out portKnown for oneYes
USB connector typeKnown for oneUSB Type-A, USB Type-C
Network1 differ
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
LAN controllerKnown for oneIntel I225-V
Features2 differ
Motherboard form factorDiffersmicro ATXmini ITX
Audio chipDiffersRealtek ALC897SupremeFX S1220A
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 4.x) slotsKnown for one1
PCI Express x16 (Gen 5.x) slotsKnown for one1
Weight & dimensions3 differ
WidthDiffers244 mm170 mm
DepthDiffers244 mm170 mm
HeightDiffers60 mm94 mm
Other features1 differ
WeightDiffers819 g1 kg

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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