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Product comparison · 2 motherboards

MSI X99A GAMING 7 vs MSI X99A GAMING 9 ACK

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  • 59specifications compared
  • 6differ
  • 53identical
  • 9known for one product only

Key differences

  • USB 2.0 connectors
    • 4
    • 2
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    • 4
    • 2
  • Motherboard form factor
    • ATX
    • Extended ATX
  • PCI Express x16 (Gen 3.x) slots
    • 4
    • 5
  • Depth
    • 244 mm
    • 264 mm

Side by side

Differences highlightedShow differences only
68 specifications
A

MSI

X99A GAMING 7View product
B

MSI

X99A GAMING 9 ACKView product
Processoridentical
Processor manufacturerIntelIntel
Processor socketLGA 2011-v3LGA 2011-v3
Compatible processor seriesIntel® Core™ i7 Extreme EditionIntel® Core™ i7 Extreme Edition
Maximum number of SMP processors11
Intel Core i3/i5/i7/i9 seriesi7-xxx Extreme Editioni7-xxx Extreme Edition
Supported processor socketsLGA 2011-v3 (Socket R)LGA 2011-v3 (Socket R)
Memoryidentical
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots88
Memory slots typeDIMMDIMM
Memory channelsQuad-channelQuad-channel
ECC сompatibilityNon-ECCNon-ECC
Supported memory clock speeds2133,2200,2400,2600,3000 MHz2133,2200,2400,2600,3000 MHz
Maximum internal memory128 GB128 GB
Unbuffered memoryYesYes
Storage controllersidentical
Supported storage drive interfacesM.2, SATA IIIM.2, SATA III
RAID levels0, 1, 5, 100, 1, 5, 10
Graphics1 differ
Parallel processing technology supportDiffers3-Way CrossFireX, 3-Way SLI3-Way SLI, 4-Way CrossFireX, 4-Way SLI
Discrete graphics supportYesYes
Internal I/O2 differ
USB 2.0 connectorsDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) connectorsDiffers42
Number of SATA III connectors1010
Number of SATA II connectors00
Number of Parallel ATA connectors00
Front panel audio connectorYesYes
ATX Power connector (24-pin)YesYes
Power fan connectorYesYes
CPU fan connectorYesYes
Number of chassis fan connectorsKnown for one1
Chassis intrusion connectorKnown for oneYes
Peripheral (Molex) power connectors (4-pin)11
EPS power connector (8-pin)YesYes
TPM connectorYesYes
Rear panel I/O portsidentical
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity66
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
eSATA ports quantity00
PS/2 ports quantity11
Firewire (IEEE 1394) ports00
VGA (D-Sub) ports quantity00
HDMI ports quantity00
DVI-D ports quantity00
S/PDIF out portYesYes
Digital audio optical out11
WiFi-AP antenna jackKnown for one2
Networkidentical
Ethernet LANYesYes
Ethernet interface typeGigabit EthernetGigabit Ethernet
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 one4.1
LAN controllerKnown for oneBigfoot Killer E2205
Features1 differ
Component forPCPC
Motherboard form factorDiffersATXExtended ATX
Motherboard chipset familyIntelIntel
Motherboard chipsetIntel® X99Intel® X99
Audio chipRealtek ALC1150Realtek ALC1150
Audio output channels7.1 channels7.1 channels
Power source typeATXATX
Windows operating systems supportedWindows 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, WinWindows 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
Expansion slots1 differ
PCI Express x16 (Gen 3.x) slotsDiffers45
PCI Express x1 (Gen 2.x) slotsKnown for one2
BIOSidentical
BIOS typeUEFIUEFI
Clear CMOS jumperYesYes
Clear CMOS buttonYesYes
Weight & dimensions1 differ
Width305 mm305 mm
DepthDiffers244 mm264 mm
Other featuresidentical
BIOS switch buttonYesYes

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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