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Product comparison · 2 motherboards

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

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  • 57specifications compared
  • 24differ
  • 33identical
  • 27known 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
  • 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
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 0
    • 3

Side by side

Differences highlightedShow differences only
84 specifications
A

ASUS

PRIME B660M-A D4View product
B

ASUS

ROG STRIX B660-I GAMING WIFIView product
Processor1 differ
Processor manufacturerIntelIntel
Processor socketLGA 1700LGA 1700
Compatible processor seriesDiffersIntel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium® GoldIntel® Celeron®, Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7, Intel® Core™ i9, Intel® Pentium®, Intel® Pentium® Gold
Supported processor socketsKnown for oneLGA 1700
Maximum number of SMP processorsKnown for one1
Memory4 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,4000,4266,4400,4600,4800,5000,5333 MHz4800,5000,5200,5400,5600,5800,6000,6200 MHz
Maximum internal memoryDiffers128 GB64 GB
Unbuffered memoryYesYes
Storage controllers1 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, PCI Express 4.0, SATA IIIM.2, SATA
Number of HDDs supportedKnown for one4
Number of storage drives supportedKnown for one6
RAID supportKnown for oneYes
RAID levels0, 1, 5, 100, 1, 5, 10
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 SATA III connectors44
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
Front panel connectorKnown for oneYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one2
Chassis intrusion connectorKnown for oneYes
EPS power connector (8-pin)YesYes
Number of COM connectorsKnown for one1
Parallel connectorKnown for oneYes
TPM connectorKnown for oneYes
RGB LED pin headerYesYes
12V power connectorKnown for oneYes
Rear panel I/O ports7 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
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
PS/2 ports quantityKnown for one1
VGA (D-Sub) ports quantity00
HDMI ports quantityDiffers21
HDMI version2.12.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort version1.41.4
Headphone outputsDiffers31
USB connector typeDiffersUSB Type-AUSB Type-A, USB Type-C
USB 3.2 Gen 2x2 Type-C ports quantityKnown for one1
Microphone inKnown for oneYes
S/PDIF out portKnown for oneYes
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit Ethernet2.5 Gigabit Ethernet
Wi-FiDiffersNoYes
LAN controllerKnown for oneIntel I225-V
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)
BluetoothKnown for oneYes
Bluetooth versionKnown for one5.2
Features2 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel B660Intel B660
Audio chipDiffersRealtek ALC897SupremeFX S1220A
Audio output channels7.1 channels7.1 channels
Windows operating systems supportedWindows 10 x64, Windows 11 x64Windows 10 x64, Windows 11 x64
Expansion slotsidentical
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 4.x) slotsKnown for one1
Number of M.2 (M) slots22
PCI Express x16 (Gen 5.x) slotsKnown for one1
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size128 Mbit128 Mbit
Clear CMOS jumperKnown for oneYes
Logistics dataidentical
Harmonized System (HS) code8473302084733020
Weight & dimensions3 differ
WidthDiffers244 mm170 mm
DepthDiffers244 mm170 mm
HeightDiffers60 mm94 mm
Packaging contentidentical
Cables includedSATASATA
Drivers includedKnown for oneYes
Other features1 differ
WeightDiffers819 g1 kg
Graphicsidentical
Number of displays supportedKnown for one2

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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