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Rectangular ATX motherboard in black with silver heatsinks and four DDR4 slots

MSI

MSI X99A SLI Intel X99 LGA 2011-v3 128GB DDR4 ATX motherboard

SKU CH-TTVD-3WDKD

Supports LGA 2011-v3 Intel Core i7 CPUs with four-channel DDR4 up to 128GB, four PCIe 3.0 x16 slots for 3-way SLI, ten SATA III ports, Intel Gigabit LAN and 7.1 audio

  • CPU Socket TypeLGA 2011-v3
  • CPU TypeNew generation Intel Core ™ i7 processor with LGA 2011-3 arc
  • ChipsetIntel X99
  • Memory StandardSupports four-channel DDR4 2133/2200 (OC)/2400 (OC)/2600 (OC
  • Maximum Memory Supported128GB
  • PCI Slots4 PCIe 3.0 x16 slots, up to 3-way mode - 1-way mode: x16/x0/
  • Supports four-channel DDR4 up to 3333 MHz OC speeds
  • 128 GB maximum memory capacity for heavy workloads
  • Four PCIe 3.0 x16 slots enable 3-way SLI at x16/x16/x8
  • Intel I218 Gigabit LAN and Realtek ALC892 7.1 audio onboard
  • 10 SATA III plus M.2 and SATA Express storage connections

Socket and chipset

This MSI X99A SLI motherboard uses the Intel X99 chipset and an LGA 2011-v3 socket for new generation Intel Core i7 processors. The ATX form factor provides four full-length PCIe 3.0 x16 slots and two PCIe 2.0 x1 slots for expansion cards.

Compatibility checklist

Verify that your processor is an LGA 2011-v3 Core i7 with 40 PCIe lanes to enable the full multi-GPU slot bandwidth. Confirm your DDR4 modules match the listed speeds from 2133 up to 3333 MHz and that total capacity does not exceed 128 GB across four channels. Ensure your case accepts ATX boards and that your power supply has the required CPU and PCIe connectors.

Thermals noise and power

The Intel I218 Gigabit LAN and Realtek ALC892 7.1 audio run at low power during typical workloads. Storage traffic across ten SATA III ports plus one SATA Express and one M.2 interface stays within chipset thermal limits. USB 3.0 and 2.0 ports draw standard bus power, so system fan curves remain quiet under normal desktop use.

Highlights

  • Supports four-channel DDR4 up to 3333 MHz OC speeds
  • 128 GB maximum memory capacity for heavy workloads
  • Four PCIe 3.0 x16 slots enable 3-way SLI at x16/x16/x8
  • Intel I218 Gigabit LAN and Realtek ALC892 7.1 audio onboard
  • 10 SATA III plus M.2 and SATA Express storage connections

Specifications

BrandMSI
SeriesMSI X99A SLI
ModelMSI X99A SLI
CPU Socket TypeLGA 2011-v3
CPU TypeNew generation Intel Core ™ i7 processor with LGA 2011-3 architecture.
ChipsetIntel X99
Memory StandardSupports four-channel DDR4
2133/2200 (OC)/2400 (OC)/2600 (OC)/2666 (OC)/2750 (OC)/3000 (OC)/3110 (OC)/3333 (OC) MHz memory
Maximum Memory Supported128GB
PCI Slots4 PCIe 3.0 x16 slots, up to 3-way mode
- 1-way mode: x16/x0/x0/x0
- 2-way mode: x16/x16/x0/x0 *, 16/x8/x0/x0 **
- 3-way mode: x16/x16/x0/x8 *, x8/x8/x8/x0 **
2 PCIe 2.0 x1 slots
Limited to CPUs that support 40 PCIe channel specifications.
Limited to CPUs that support 28 PCIe channel specifications.
SATA RAID1XM.2 interface, 1xSATA Express interface, 10xSATA III interface
Audio ChipsetRealtek ALC892 Decoder Chip
- 7.1 channel high-quality sound effects
- Supports S/PDIF output
LAN Chipset1 Intel I218 Gigabit Network
Onboard USBIntel X99 Express Chipset
- 6 USB 3.0 ports (2 on the backplane, 4 supported through built-in USB 3.0 ports *)
- 6 USB 2.0 ports (2 on the backplane, 4 supported through built-in USB 2.0 ports)
ASMedia ASM1142
- 2 USB 3.1 ports located on the back panel
VIA VL805
- 4 USB 3.0 ports located on the back panel
Built-in JUSB1 interface supports MSI Super Charger.

Questions about this item

What accessories come with the MSI X99A SLI motherboard and what must I buy separately?

The box contains the motherboard, a CMOS battery, one SATA cable and the rear I/O shield. CPU, DDR4 memory, graphics cards, storage drives and any additional cables are not included.

Which DDR4 speeds does the MSI X99A SLI support and what is the maximum capacity?

The board runs four-channel DDR4 at 2133 MHz natively and can reach 2200, 2400, 2600, 2666, 2750, 3000, 3110 or 3333 MHz when overclocked, up to a total of 128 GB.

How do the four PCIe 3.0 x16 slots operate with different GPU counts?

With one card the primary slot runs at x16; with two cards they run at x16/x16 or x16/x8 depending on the CPU; with three cards the layout is x16/x16/x8 or x8/x8/x8, again CPU-dependent.

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