Product comparison · 2 motherboards

ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX vs ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX

75specifications compared
12differ
63identical
6known for one product only

Key differences

The ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more chassis fan connectors than the ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX (4 vs 2). The ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more USB 2.0 ports quantity than the ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX (4 vs 2). The ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX has 2 more USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity than the ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX (4 vs 2). Audio chip: Realtek ALC892 on the ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX, Realtek ALC887 on the ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX. PCI Express configurations: 1x16, 2x8 on the ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX, 1x4, 1x16 on the ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX.

Number of chassis fan connectors
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:4
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:2
USB 2.0 ports quantity
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:2
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:4
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:2
PS/2 ports quantity
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:1
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:2
Headphone outputs
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:6
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:3
Audio chip
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:Realtek ALC892
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:Realtek ALC887
PCI Express x16 slots
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:3
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:2
PCI Express configurations
- Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX:1x16, 2x8
- Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX:1x4, 1x16

Side by side

Differences highlightedShow differences only

Comparison of Z87-A, Z87-K
81 specifications	A ASUS Z87-A Intel® Z87 LGA 1150 (Socket H3) ATX Model Z87-A View product	B ASUS Z87-K Intel® Z87 LGA 1150 (Socket H3) ATX Model Z87-K View product
Memory1 differ
Supported memory clock speedsDiffers	1333,1500,1600,1666,1800,1866,1900,2000,2100,2133,2200,2250,2400,2450,2600,2666,2800,3000 MHz	1333,1500,1600,1666,1800,1866,1900,2000,2100,2133,2200,2250,2400,2450,2600,2666,2800 MHz
Graphics1 differ
Parallel processing technology supportDiffers	2-Way CrossFireX, 2-Way SLI, Quad-GPU CrossFireX, Quad-GPU SLI	2-Way CrossFireX, Quad-GPU CrossFireX
Internal I/O1 differ
Number of chassis fan connectorsDiffers	4	2
TPM connectorKnown for one	Yes	Unknown — not stated by the source
Number of COM connectorsKnown for one	Unknown — not stated by the source	1
Rear panel I/O ports4 differ
USB 2.0 ports quantityDiffers	2	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	2
PS/2 ports quantityDiffers	1	2
Headphone outputsDiffers	6	3
Features1 differ
Audio chipDiffers	Realtek ALC892	Realtek ALC887
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Expansion slots3 differ
PCI Express x16 slotsDiffers	3	2
PCI Express configurationsDiffers	1x16, 2x8	1x4, 1x16
PCI slotsDiffers	2	3
BIOSidentical
ACPI versionKnown for one	Unknown — not stated by the source	4.0a
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
DepthDiffers	223.5 mm	208 mm
Other featuresidentical
Mini DisplayPorts quantityKnown for one	1	Unknown — 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.

More motherboard comparisons

All motherboard comparisons