Below are the technical specifications concerning the X299-GAMING 3:
CPU
Support for Intel® Core™ X series processors in the LGA2066 package
L3 cache varies with CPU
Intel® X299 Express Chipset
MEMORY
8 x DDR4 DIMM sockets supporting up to 128 GB of system memory.
* Support for up to 512 GB of system memory when using Registered DIMMs.
* Supported when using a 44-lane or 28-lane CPU.
4 x DDR4 DIMM sockets supporting up to 64 GB of system memory.
* Supported when using a 16-lane CPU.
4 channel memory architecture.
* Supported when using a 44-lane or 28-lane CPU.
Dual channel memory architecture.
Supported when using a 16-lane CPU.
Support for DDR4 4333(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3800(O.C.) / 3733(O.C.) / 3666(O.C.) / 3600(O.C.) / 3466(O.C.) / 3400(O.C.) / 3333(O.C.) / 3300(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666(O.C.) / 2400 / 2133 MHz memory modules
Support for non-ECC Un-buffered DIMM memory modules
Support for Registered DIMM 1Rx8/2Rx8/1Rx4/2Rx4 memory modules (operate in non-ECC mode)
Support for Extreme Memory Profile (XMP) memory modules
AUDIO
Realtek® ALC1220 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF Out
LAN
Intel® GbE LAN chip (10/100/1000 Mbit)
EXPANSION SLOTS
2 x PCI Express x16 slots, running at x16 (PCIEX16_1, PCIEX16_2)
1 x PCI Express x16 slot, running at x8 (PCIEX8)
2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)
(All of the PCI Express slots conform to PCI Express 3.0 standard.)
STORAGE INTERFACE
Chipset:
1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe x4/x2 SSD support) (M2Q_32G)
1 x M.2 connector (Socket 3, M key, type 2260/2280/22110 SATA and PCIe x4/x2 SSD support) (M2P_32G)
8 x SATA 6Gb/s connectors
Support for RAID 0, RAID 1, RAID 5, and RAID 10
MULTI-GRAPHICS TECHNOLOGY
Support for NVIDIA® Quad-GPU SLI™ and 3-Way* /2-Way* NVIDIA® SLI™ technologies
* Supported when using a 44-lane.
Support for AMD Quad-GPU CrossFire™ and 3-Way* /2-Way AMD CrossFire™ technologies
* Supported when using a 44-lane.
h2]USB
Chipset+ASMedia® USB 3.1 Gen 2 Controller:
1 x USB Type-C™ port on the back panel, with USB 3.1 Gen 2 support
1 x USB 3.1 Gen 2 Type-A port (red) on the back panel
Chipset:
10 x USB 3.1 Gen 1 ports (6 ports on the back panel, 4 ports available through the internal USB headers)
4 x USB 2.0/1.1 ports available through the internal USB headers
INTERNAL I/O CONNECTORS
1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x CPU fan header
1 x water cooling CPU fan header
4 x system fan headers
1 x system fan/water cooling pump header
1 x 3 Amp fan/water cooling pump header
1 x digital LED strip extension cable header
2 x RGB (RGBW) LED strip extension cable headers
2 x M.2 Socket 3 connectors
8 x SATA 6Gb/s connectors
1 x Intel® VROC Upgrade Key header
1 x front panel header
1 x front panel audio header
1 x S/PDIF Out header
2 x USB 3.1 Gen 1 headers
2 x USB 2.0/1.1 headers
1 x Thunderbolt™ add-in card connector
1 x Trusted Platform Module (TPM) header
1 x power button
1 x OC button
2 x temperature sensor headers
1 x Clear CMOS jumper
BACK PANEL CONNECTORS
1 x PS/2 keyboard/mouse port
1 x USB Type-C™ port, with USB 3.1 Gen 2 support
1 x USB 3.1 Gen 2 Type-A port (red)
6 x USB 3.1 Gen 1 ports
1 x RJ-45 port
6 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Side Speaker Out, Line In, Line Out, Mic In)
I/O CONTROLLER
iTE® I/O Controller Chip
H/W MONITORING
Voltage detection
Temperature detection
Fan speed detection
Water cooling flow rate detection
Overheating warning
Fan fail warning
Fan speed control
* Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install
h2]BIOS
2 x 128 Mbit flash
Use of licensed AMI UEFI BIOS
Support for DualBIOS™
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
UNIQUE FEATURES
Support for APP Center
* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
3D OSD
@BIOS
AutoGreen
BIOS Setup
Color Temperature
Cloud Station
EasyTune
Easy RAID
Fast Boot
Game Boost
ON/OFF Charge
Platform Power Management
RGB Fusion
Smart Backup
Smart Keyboard
Smart TimeLock
Smart HUD
System Information Viewer
USB Blocker
V-Tuner
Support for Q-Flash
Support for Xpress Install
BUNDLE SOFTWARE
Norton® Internet Security (OEM version)
Intel® Optane™ Memory Ready
cFosSpeed
OPERATING SYSTEM
Support for Windows 10 64-bit
FORM FACTOR
ATX Form Factor; 30.5cm x 24.4cm