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Product comparison · 2 motherboards

MSI H81M ECO vs MSI X99S GAMING 9 AC

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  • 41specifications compared
  • 22differ
  • 19identical
  • 24known for one product only

Key differences

  • Processor socket
    • LGA 1150 (Socket H3)
    • LGA 2011-v3
  • Supported memory types
    • DDR3-SDRAM
    • DDR4-SDRAM
  • Number of memory slots
    • 2
    • 8
  • Memory channels
    • Dual-channel
    • Quad-channel
  • Supported memory clock speeds
    • 1066,1333,1600 MHz
    • 2133 MHz
  • Maximum internal memory
    • 16 GB
    • 128 GB
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 1
    • 2
  • Number of SATA connectors
    • 4
    • 10

Side by side

Differences highlightedShow differences only
65 specifications
A

MSI

H81M ECOView product
B

MSI

X99S GAMING 9 ACView product
Processor2 differ
Processor manufacturerIntelIntel
Processor socketDiffersLGA 1150 (Socket H3)LGA 2011-v3
Compatible processor seriesDiffersIntel® Celeron®, Intel® Pentium®Intel® Core™ i7
Memory5 differ
Supported memory typesDiffersDDR3-SDRAMDDR4-SDRAM
Number of memory slotsDiffers28
Memory slots typeDIMMDIMM
Memory channelsDiffersDual-channelQuad-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speedsDiffers1066,1333,1600 MHz2133 MHz
Maximum internal memoryDiffers16 GB128 GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive interfacesSATASATA
RAID levelsKnown for one0, 1, 5, 10
Graphicsidentical
Parallel processing technology supportKnown for one3-Way SLI, 4-Way CrossFireX, 4-Way SLI
Maximum resolutionKnown for one4096 x 2160 pixels
Internal I/O2 differ
USB 2.0 connectors22
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers12
Number of SATA connectorsDiffers410
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Power fan connectorKnown for oneYes
CPU fan connectorYesYes
Chassis intrusion connectorYesYes
Peripheral (Molex) power connectors (4-pin)11
EPS power connector (8-pin)Known for oneYes
TPM connectorYesYes
Number of chassis fan connectorsKnown for one1
Parallel connectorKnown for oneYes
Serial port headersKnown for one1
Rear panel I/O ports7 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers28
Ethernet LAN (RJ-45) ports11
eSATA ports quantityKnown for one1
PS/2 ports quantityDiffers21
Firewire (IEEE 1394) portsKnown for one0
VGA (D-Sub) ports quantityDiffers10
HDMI ports quantityDiffers10
DVI-D ports quantityDiffers10
Headphone outputsDiffers35
Microphone inYesYes
S/PDIF out portKnown for oneYes
Networkidentical
Ethernet LANYesYes
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Ethernet interface typeKnown for oneGigabit Ethernet
LAN controllerKnown for oneIntel® I218-V
Features3 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXExtended ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetDiffersIntel® H81Intel® X99
Audio chipDiffersRealtek ALC887Realtek ALC1150
Audio output channelsKnown for one7.1 channels
Power source typeATXATX
Windows operating systems supportedYesYes
Expansion slots1 differ
PCI Express x16 (Gen 3.x) slotsDiffers15
PCI Express x1 slotsKnown for one2
PCI Express x1 (Gen 2.x) slotsKnown for one2
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one1
BIOSidentical
BIOS typeKnown for oneUEFI
Clear CMOS jumperKnown for oneYes
Weight & dimensions2 differ
WidthDiffers243 mm305 mm
DepthDiffers225 mm264 mm

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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