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Product comparison · 2 motherboards

ASUS ROG STRIX B660-A GAMING WIFI D4 vs ASUS ROG STRIX B660-G GAMING WIFI

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  • 71specifications compared
  • 13differ
  • 58identical
  • 8known for one product only

Key differences

  • Supported memory types
    • DDR4-SDRAM
    • DDR5-SDRAM
  • Number of storage drives supported
    • 7
    • 6
  • Number of chassis fan connectors
    • 3
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 3
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
    • 1
    • 0
  • Motherboard form factor
    • ATX
    • micro ATX
  • Audio chip
    • Realtek ALC4080
    • SupremeFX S1220A
  • Number of M.2 (M) slots
    • 3
    • 2

Side by side

Differences highlightedShow differences only
79 specifications
A

ASUS

ROG STRIX B660-A GAMING WIFI D4View product
B

ASUS

ROG STRIX B660-G GAMING WIFIView product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1700LGA 1700
Compatible processor seriesIntel® 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® Gold
Supported processor socketsLGA 1700LGA 1700
Memory2 differ
Supported memory typesDiffersDDR4-SDRAMDDR5-SDRAM
Number of memory slots44
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 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Storage controllers1 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesM.2, PCI Express 4.0, SATA IIIM.2, PCI Express 4.0, SATA III
Number of HDDs supported44
Number of storage drives supportedDiffers76
RAID supportKnown for oneYes
RAID levelsKnown for one0, 1, 5, 10
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectors11
Number of SATA III connectors44
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
Front panel connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers32
Chassis intrusion connectorYesYes
EPS power connector (8-pin)YesYes
12V power connectorKnown for oneYes
TPM connectorYesYes
Thunderbolt headers11
RGB LED pin headerYesYes
Number of COM connectorsKnown for one1
Rear panel I/O ports2 differ
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity11
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity11
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantity11
HDMI version2.12.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort version1.41.4
Headphone outputs55
WiFi-AP antenna jack22
USB connector typeKnown for oneUSB Type-A, USB Type-C
Networkidentical
Ethernet LANYesYes
Ethernet interface type2.5 Gigabit Ethernet2.5 Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 6 (802.11ax)Wi-Fi 6 (802.11ax)
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
BluetoothYesYes
Bluetooth version5.25.2
Features2 differ
Component forPCPC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel B660Intel B660
Audio chipDiffersRealtek ALC4080SupremeFX S1220A
Audio output channels7.1 channels7.1 channels
Power source typeKnown for oneATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64Windows 10 x64, Windows 11 x64
Expansion slots1 differ
PCI Express x1 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 3.x) slots11
PCI Express x16 (Gen 5.x) slots11
Number of M.2 (M) slotsDiffers32
PCI Express x1 slotsKnown for one2
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory sizeDiffers192 Mbit256 Mbit
Clear CMOS jumperYesYes
Logistics dataidentical
Harmonized System (HS) code8473302084733020
Weight & dimensions2 differ
WidthDiffers305 mm244 mm
Depth244 mm244 mm
HeightDiffers68 mm67 mm
Packaging contentidentical
Cables includedSATASATA
Other features1 differ
WeightDiffers1.42 kg1.36 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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