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Product comparison · 2 motherboards

ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX vs ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX

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  • 50specifications compared
  • 14differ
  • 36identical
  • 24known for one product only

Key differences

The ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX has 1 more USB 2.0 connectors than the ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX (3 vs 2). The ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX has 4 more SATA III connectors than the ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX (6 vs 2). The ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX has 4 more SATA II connectors than the ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX (4 vs 0). Supported storage drive interfaces: SATA II, SATA III on the ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX, SATA III on the ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX. Parallel processing technology support: Quad-GPU CrossFireX on the ASUS B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX, Not supported on the ASUS H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX.

  • Supported storage drive interfaces
    • SATA II, SATA III
    • SATA III
  • Parallel processing technology support
    • Quad-GPU CrossFireX
    • Not supported
  • USB 2.0 connectors
    • 2
    • 3
  • Number of SATA III connectors
    • 2
    • 6
  • Number of SATA II connectors
    • 4
    • 0
  • USB 2.0 ports quantity
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • 2
    • 4
  • LAN controller
    • Realtek RTL8111F
    • Realtek RTL8111G

Side by side

Differences highlightedShow differences only
74 specifications
A

ASUS

B85M-E/CSM motherboard Intel® B85 LGA 1150 (Socket H3) micro ATX

Model B85M-E/CSM

View product
B

ASUS

H87M-E Intel® H87 LGA 1150 (Socket H3) micro ATX

Model H87M-E

View product
Processor1 differ
Processor manufacturerIntelIntel
Processor socketLGA 1150 (Socket H3)LGA 1150 (Socket H3)
Compatible processor seriesDiffersIntel® Celeron®, Intel® Pentium®Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7
Maximum number of SMP processorsKnown for one1
Memoryidentical
Supported memory typesDDR3-SDRAMDDR3-SDRAM
Number of memory slots44
Memory slots typeDIMMDIMM
Memory channelsDual-channelDual-channel
Supported memory clock speeds1066,1333,1600 MHz1066,1333,1600 MHz
Maximum internal memory32 GB32 GB
Supported memory module capacitiesKnown for one8GB
ECC сompatibilityKnown for oneNon-ECC
Unbuffered memoryKnown for oneYes
Storage controllers1 differ
Supported storage drive interfacesDiffersSATA II, SATA IIISATA III
RAID levelsKnown for one0, 1, 5, 10
Graphics1 differ
Maximum graphics card memory1024 MB1024 MB
Parallel processing technology supportDiffersQuad-GPU CrossFireXNot supported
Maximum resolution4096 x 2160 pixels4096 x 2160 pixels
Number of displays supportedKnown for one3
HDCPKnown for oneYes
Discrete graphics supportKnown for oneYes
Internal I/O3 differ
USB 2.0 connectorsDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
Number of SATA III connectorsDiffers26
Number of SATA II connectorsDiffers40
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of chassis fan connectors22
Chassis intrusion connectorKnown for oneYes
Peripheral (Molex) power connectors (4-pin)Known for one1
TPM connectorKnown for oneYes
S/PDIF out connectorKnown for oneYes
Number of COM connectorsKnown for one1
Rear panel I/O ports2 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity22
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity11
HDMI ports quantity11
DVI-D ports quantity11
DisplayPorts quantityKnown for one1
Headphone outputsKnown for one1
Microphone inKnown for oneYes
COM ports quantityKnown for one1
Network1 differ
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
LAN controllerDiffersRealtek RTL8111FRealtek RTL8111G
Wi-FiKnown for oneNo
Wake-on-LAN readyKnown for oneYes
Features1 differ
Component forPCPC
Motherboard form factormicro ATXmicro ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® B85Intel® H87
Audio chipKnown for oneRealtek ALC887
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedWindows 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, Windows 8 Enterprise, Windows 8 Enterprise x64, WinWindows 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, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Expansion slots1 differ
PCI Express x1 (Gen 2.x) slotsDiffers13
PCI Express x16 (Gen 2.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slots11
PCI slotsKnown for one1
BIOS2 differ
BIOS typeDiffersAMIUEFI AMI
BIOS memory sizeDiffers16 Mbit64 Mbit
ACPI version2.0a2.0a
Clear CMOS jumperYesYes
Weight & dimensions1 differ
Width244 mm244 mm
DepthDiffers213 mm193 mm
Packaging contentidentical
Drivers includedYesYes
Cables includedKnown for oneSATA
Other featuresidentical
Quick installation guideKnown for oneYes

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