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Product comparison · 2 motherboards

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

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  • 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
    • 4
    • 2
  • Maximum internal memory
    • 32 GB
    • 16 GB
  • USB 2.0 connectors
    • 1
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 2
    • 1
  • Number of SATA III connectors
    • 4
    • 2
  • Number of chassis fan connectors
    • 2
    • 1
  • Motherboard form factor
    • ATX
    • micro ATX
  • Motherboard chipset
    • Intel® B85
    • Intel® H81

Side by side

Differences highlightedShow differences only
81 specifications
A

ASUS

B85-PLUS/USB 3.1View product
B

ASUS

H81M-P Intel® H81 LGA 1150 (Socket H3) micro ATX

Model H81M-P

View product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesIntel® Celeron®, Intel® Pentium®Intel® Celeron®, Intel® Pentium®
Intel Core i3/i5/i7/i9 seriesKnown for onei3-4xxx, i5-4xxx, i7-4xxx
Memory2 differ
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slotsDiffers42
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds1066,1333,1600 MHz1066,1333,1600 MHz
Maximum internal memoryDiffers32 GB16 GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive interfacesSATA II, SATA IIISATA II, SATA III
Graphicsidentical
Maximum graphics card memoryKnown for one1024 MB
Parallel processing technology supportKnown for oneQuad-GPU CrossFireX
Maximum resolutionKnown for one1920 x 1080 pixels
Discrete graphics supportKnown for oneYes
Internal I/O4 differ
USB 2.0 connectorsDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers21
USB 3.2 Gen 2 (3.1 Gen 2) connectorsKnown for one0
Number of SATA III connectorsDiffers42
Number of SATA II connectors22
S/PDIF out connectorKnown for oneNo
Number of EATX power connectors11
CPU fan connectorYesYes
Number of chassis fan connectorsDiffers21
Number of SATA connectorsKnown for one4
Front panel audio connectorKnown for oneYes
ATX Power connector (24-pin)Known for oneYes
Chassis intrusion connectorKnown for oneYes
Peripheral (Molex) power connectors (4-pin)Known for one1
TPM connectorKnown for oneYes
Rear panel I/O portsidentical
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0
Ethernet LAN (RJ-45) ports11
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
DVI-D ports quantity11
S/PDIF out portKnown for oneYes
eSATA ports quantityKnown for one0
HDMI ports quantityKnown for one0
Headphone outputsKnown for one1
Microphone inKnown for oneYes
COM ports quantityKnown for one1
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerRealtek 8111GRRealtek 8111GR
Features3 differ
Component forKnown for onePC
Motherboard form factorDiffersATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® B85Intel® H81
Audio chipKnown for oneRealtek ALC887
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedDiffersWindows 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, WinYes
Expansion slots1 differ
PCI Express x1 (Gen 2.x) slotsDiffers21
PCI Express x16 (Gen 2.x) slots11
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsKnown for one3
BIOS1 differ
BIOS typeUEFI AMIUEFI AMI
BIOS memory size64 Mbit64 Mbit
ACPI versionDiffers4.0a2.0a
Clear CMOS jumperKnown for oneYes
Processor special featuresidentical
Intel Extreme Memory Profile (XMP)Known for oneYes
Intel Rapid Storage TechnologyKnown for oneNo
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for one2.0
Processor with Intel Graphics Technology requiredKnown for oneYes
Weight & dimensions2 differ
WidthDiffers305 mm190 mm
DepthDiffers221 mm177 mm
Packaging contentidentical
Cables includedKnown for oneSATA
Other featuresidentical
Intel® vPro™ Platform EligibilityKnown for oneNo

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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