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Asus Prime X299-A vs MSI X299 SLI PLUS

    Asus Prime X299-A Motherboard
    Asus Prime X299-A
      MSI X299 SLI PLUS Motherboard
      MSI X299 SLI PLUS
      Editiorial reviews
      5
      5 editorial reviews
      Recently spotted for as little as $200, is the Asus Prime X299-A still the best deal in high-end motherboards? We take a closer look.Read more
      Intel’s refreshed CPUs for the X299 platform gave motherboard makers a chance at a do-over in the wake of a narrowing of focus for those chips. Like I alluded to...Read more
      The ASUS Prime X299 Edition 30 is a celebration of 30 years of design innovation by one of the world's most prominent hardware manufacturers. Featuring active VRM cooling, 16 Vcore power stages, an OLED display, and a new Smart Control Console, can this flagship stand up to 30 years of high expectations?Read more
      Read editorial reviews
      4
      4 editorial reviews
      Intel's X299 platform is an appealing choice to consumers requiring high core count CPUs and plentifRead more
      MSI X299 SLI Plus - Recommended 4/5Read more
      Introduction MSI X299 SLI Plus If you're a fan of MSI motherboards, then you're likely familiar with their SLI Plus series. These motherboards come packed full of many of the high-end features you would want from an enthusiast system. Of course, as the name suggests, they come with a focus on dual-GPU configurations, offering plenty of room for a pair of the thickest gaming or workstation cards on the market. Of course, GPU's aren't the only high-end hardware supported. This motherboard offers up support for the latest X-Series processors from Intel, including their flagship i9 hardware. Quad-channel memory, multiple M.2Read more
      Read editorial reviews
      User rating
      39
      4.3 out of 5
      39 user ratings
      5 stars
      		41 %
      4 stars
      		46 %
      3 stars
      		12 %
      2 stars
      		0 %
      1 stars
      		0 %
      38
      4.2 out of 5
      38 user ratings
      5 stars
      		36 %
      4 stars
      		42 %
      3 stars
      		21 %
      2 stars
      		0 %
      1 stars
      		0 %

      Full Comparison

      Units:

      General

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Motherboard typeATXATX
      Processor socketLGA 2066LGA 2066

      Memory

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Supported memory bus clock
      • 2400 MHz
      • 2133 MHz
      • 2666 MHz
      • 3600 MHz
      • 4000 MHz
      • 4133 MHz
      • 2400 MHz
      • 2133 MHz
      • 2666 MHz
      • 2800 MHz
      • 3000 MHz
      • 3200 MHz
      • 3300 MHz
      • 3400 MHz
      • 3333 MHz
      • 3466 MHz
      • 3733 MHz
      • 3600 MHz
      • 3866 MHz
      • 4000 MHz
      • 4133 MHz
      • 4266 MHz
      RAM technologyDDR4DDR4
      Memory slots typeDIMMDIMM
      Maximum RAM size128 GB128 GB
      Number of memory slots88

      Audio properties

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Audio codecRealtek ALCS1220ARealtek ALC1220
      Audio output channels7.17.1

      Technical details

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Compatible processor seriesIntel Core i7
      • Intel Core i7
      • Intel Core i7 Extreme Edition
      Maximum number of processors11

      BIOS

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      BIOS typeUEFI AMIUEFI AMI
      BIOS features
      • WfM 2.0 support
      • Multilingual BIOS
      • USB BIOS Flashback
      • UEFI BIOS
      • ASUS EZ Flash 3
      • DMI 3.0 support
      • SMBIOS 3.0 support
      • ACPI 6.0 support
      • Dual BIOS
      • BIOS FlashBack+
      • MSI ClickBIOS 5
      BIOS memory size128.0 mB256.0 mB
      ACPI version6.06.0

      Storage

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      RAID levels
      • 0
      • 1
      • 5
      • 10
      • 0
      • 1
      • 5
      • 10

      Expansion slots

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Number of M.2 (M) slots22

      Internal I/O ports

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      CPU fan connectoryesyes
      Number of chassis fan connectors24
      Number of SATA III connectors88

      Rear panel I/O ports

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      S/PDIF out portyesyes
      Ethernet LAN (RJ-45) ports12
      USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity11
      USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity11
      USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44

      Network

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Ethernet LAN (Network)yesyes
      LAN controllerIntel I219-V
      • Intel I211
      • Intel I219-V

      Dimensions

      Asus Prime X299-AAsus Prime X299-A
      MSI X299 SLI PLUSMSI X299 SLI PLUS
      Width12.01 in12.01 in
      Depth9.61 in9.57 in

      Pros & Cons

      Pros
          Cons