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Asus Prime X299-A Motherboard
Asus Prime X299-A
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Asus TUF X299 MARK 2 Motherboard
Asus TUF X299 MARK 2
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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
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1
1 editorial reviews
Like your motherboards TUF & rugged? Then read our latest review on the new ASUS TUF X299 MARK 1 motherboard with a generous layer of great looking gunmetal grey TUF thermal armor...Read more
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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
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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 %
37
4.2 out of 5
37 user ratings
5 stars
45 %
4 stars
32 %
3 stars
21 %
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 %

General

Motherboard typeATXATXATX
Processor socketLGA 2066LGA 2066LGA 2066

Memory

Supported memory bus clock
  • 2400 MHz
  • 2133 MHz
  • 2666 MHz
  • 3600 MHz
  • 4000 MHz
  • 4133 MHz
  • 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 technologyDDR4DDR4DDR4
Memory slots typeDIMMDIMMDIMM
Maximum RAM size128 GB128 GB128 GB
Number of memory slots888
Unbuffered memoryyesyes
N/A
Non-ECCyesyes
N/A
Memory channels
N/A
N/A
Quad
Extreme Memory Profile (XMP)
N/A
N/A
yes

Audio properties

Audio codecRealtek ALCS1220ARealtek ALCS1220ARealtek ALC1220
Audio output channels7.17.17.1

Technical details

Compatible processor seriesIntel Core i7Intel Core i7
  • Intel Core i7
  • Intel Core i7 Extreme Edition
Maximum number of processors111
Maximum number of SMP processors
N/A
N/A
1

BIOS

BIOS typeUEFI AMIUEFI 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
  • 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 mB128.0 mB256.0 mB
ACPI version6.06.06.0

Storage

RAID levels
  • 0
  • 1
  • 5
  • 10
  • 0
  • 1
  • 5
  • 10
  • 0
  • 1
  • 5
  • 10

Expansion slots

Number of M.2 (M) slots222

Internal I/O ports

CPU fan connectoryesyesyes
Number of EATX power connectors11
N/A
Number of chassis fan connectors224
Number of SATA III connectors868
Number of COM connectors
N/A
1
N/A
Thunderbolt headers
N/A
N/A
1
EPS power connector (8-pin)
N/A
N/A
yes
ATX Power connector (24-pin)
N/A
N/A
Y
TPM connector
N/A
N/A
yes
Front panel connector
N/A
N/A
yes

Rear panel I/O ports

S/PDIF out portyesyesyes
Microphone inputyesyes
N/A
Headphone outputs11
N/A
Ethernet LAN (RJ-45) ports112
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity1
N/A
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity121
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity444
PS/2 ports quantity
N/A
11

Network

Ethernet LAN (Network)yesyesyes
LAN controllerIntel I219-VIntel I219-V
  • Intel I211
  • Intel I219-V
Ethernet interface type
N/A
N/A
Gigabit Ethernet

Dimensions

Width12.01 in12.01 in12.01 in
Depth9.61 in9.61 in9.57 in