Product comparison · 2 motherboards

ASUS Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX vs ASUS Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX

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  • 57specifications compared
  • 7differ
  • 50identical
  • 8known for one product only

Key differences

The ASUS Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX has 2 more chassis fan connectors than the ASUS Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX (4 vs 2). The ASUS Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX has 1 more PS/2 ports quantity than the ASUS Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX (2 vs 1). The ASUS Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX has 1 more PCI Express x1 (Gen 3.x) slots than the ASUS Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX (3 vs 2). Parallel processing technology support: 4-Way CrossFireX, Quad-GPU SLI on the ASUS Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX, Quad-GPU CrossFireX on the ASUS Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX.

  • Number of chassis fan connectors
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:4
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:2
  • PS/2 ports quantity
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:1
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:2
  • PCI Express x1 (Gen 3.x) slots
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:3
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:2
  • PCI Express x16 (Gen 3.x) slots
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:3
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:2
  • PCI slots
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:1
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:2
  • Depth
    • Z170-A Intel® Z170 LGA 1151 (Socket H4) ATX:244 mm
    • Z170-K Intel® Z170 LGA 1151 (Socket H4) ATX:224 mm

Side by side

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Comparison of Z170-A, Z170-K
65 specifications
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1151 (Socket H4)LGA 1151 (Socket H4)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Memoryidentical
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityKnown for oneNon-ECCUnknown — not stated by the source
Supported memory clock speeds2133,2400,2600,2666,2800,2933,3000,3100,3200,3300 MHz2133,2400,2600,2666,2800,2933,3000,3100,3200,3300 MHz
Maximum internal memory64 GB64 GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive interfacesSATA, SATA IIISATA, SATA III
RAID levels1, 5, 101, 5, 10
Graphics1 differ
Parallel processing technology supportDiffers4-Way CrossFireX, Quad-GPU SLIQuad-GPU CrossFireX
Internal I/O1 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectors22
Number of SATA III connectors66
Number of SATA II connectorsKnown for one0Unknown — not stated by the source
Number of Parallel ATA connectors00
S/PDIF out connectorYesYes
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers42
EPS power connector (8-pin)YesYes
Number of COM connectors11
TPM connectorKnown for oneYesUnknown — not stated by the source
Thunderbolt headersKnown for one1Unknown — not stated by the source
Rear panel I/O ports1 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantityDiffers12
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantity11
DisplayPorts quantityKnown for one1Unknown — not stated by the source
Headphone outputs11
Microphone inYesYes
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerKnown for oneUnknown — not stated by the sourceRealtek 8111GR
Featuresidentical
Component forPCPC
Motherboard form factorATXATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel® Z170Intel® Z170
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Expansion slots3 differ
PCI Express x1 (Gen 3.x) slotsDiffers32
PCI Express x16 (Gen 3.x) slotsDiffers32
PCI slotsDiffers12
Number of M.2 (M) slots11
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size16 Mbit16 Mbit
ACPI version5.05.0
Clear CMOS jumperYesYes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)YesYes
Weight & dimensions1 differ
Width305 mm305 mm
DepthDiffers244 mm224 mm
Other featuresidentical
Number of SATA Express ports11
S/PDIF in portYesYes
EZ plug connectorKnown for oneYesUnknown — 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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