Product comparison · 2 motherboards

ASUS B85-PLUS/USB 3.1 vs ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX

42specifications compared
13differ
29identical
39known for one product only

Key differences

The ASUS B85-PLUS/USB 3.1 has 2 more memory slots than the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX (4 vs 2). The ASUS B85-PLUS/USB 3.1 has 16 GB more maximum internal memory than the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX (32 GB vs 16 GB). The ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX has 1 more USB 2.0 connectors than the ASUS B85-PLUS/USB 3.1 (2 vs 1). Motherboard form factor: ATX on the ASUS B85-PLUS/USB 3.1, micro ATX on the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX. Motherboard chipset: Intel® B85 on the ASUS B85-PLUS/USB 3.1, Intel® H81 on the ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX.

Number of memory slots
- B85-PLUS/USB 3.1:4
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Maximum internal memory
- B85-PLUS/USB 3.1:32 GB
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:16 GB
USB 2.0 connectors
- B85-PLUS/USB 3.1:1
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
- B85-PLUS/USB 3.1:2
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:1
Number of SATA III connectors
- B85-PLUS/USB 3.1:4
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:2
Number of chassis fan connectors
- B85-PLUS/USB 3.1:2
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:1
Motherboard form factor
- B85-PLUS/USB 3.1:ATX
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:micro ATX
Motherboard chipset
- B85-PLUS/USB 3.1:Intel® B85
- H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX:Intel® H81

Side by side

Differences highlightedShow differences only

Comparison of B85-PLUS/USB 3.1, H81M-P
81 specifications	A ASUS B85-PLUS/USB 3.1 View product	B ASUS H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX Model H81M-P View product
Processoridentical
Intel Core i3/i5/i7/i9 seriesKnown for one	i3-4xxx, i5-4xxx, i7-4xxx	Unknown — not stated by the source
Memory2 differ
Number of memory slotsDiffers	4	2
Maximum internal memoryDiffers	32 GB	16 GB
Graphicsidentical
Maximum graphics card memoryKnown for one	1024 MB	Unknown — not stated by the source
Parallel processing technology supportKnown for one	Quad-GPU CrossFireX	Unknown — not stated by the source
Maximum resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O4 differ
USB 2.0 connectorsDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers	2	1
USB 3.2 Gen 2 (3.1 Gen 2) connectorsKnown for one	0	Unknown — not stated by the source
Number of SATA III connectorsDiffers	4	2
S/PDIF out connectorKnown for one	No	Unknown — not stated by the source
Number of chassis fan connectorsDiffers	2	1
Number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Front panel audio connectorKnown for one	Unknown — not stated by the source	Yes
ATX Power connector (24-pin)Known for one	Unknown — not stated by the source	Yes
Chassis intrusion connectorKnown for one	Unknown — not stated by the source	Yes
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	1
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O portsidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
COM ports quantityKnown for one	Unknown — not stated by the source	1
Features3 differ
Component forKnown for one	PC	Unknown — not stated by the source
Motherboard form factorDiffers	ATX	micro ATX
Motherboard chipsetDiffers	Intel® B85	Intel® H81
Audio chipKnown for one	Realtek ALC887	Unknown — not stated by the source
Windows operating systems supportedDiffers	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Win	Yes
Expansion slots1 differ
PCI Express x1 (Gen 2.x) slotsDiffers	2	1
PCI Express x16 (Gen 3.x) slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	3	Unknown — not stated by the source
BIOS1 differ
ACPI versionDiffers	4.0a	2.0a
Clear CMOS jumperKnown for one	Yes	Unknown — not stated by the source
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for one	Yes	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Processor with Intel Graphics Technology requiredKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	305 mm	190 mm
DepthDiffers	221 mm	177 mm
Packaging contentidentical
Cables includedKnown for one	SATA	Unknown — not stated by the source
Other featuresidentical
Intel® vPro™ Platform EligibilityKnown for one	No	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.

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