What is the max LAN speed? Does it support ECC Ram?

The max LAN speed is 2 x 2.5Gbps. It does not support ECC RAM as it supports Non-ECC, Un-buffered Memory.

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ASUS PRO WS X299 SAGE II LGA 2066 Intel X299 CEB Intel Motherboard

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Intel X299
Intel Socket 2066 Core X-Series Processors
Supports Intel Virtual RAID on CPU (VROC)
* Refer to www.asus.com for CPU support list
Intel Core X-series Processors (6-core above)
DDR4 4266(O.C.)/ 4200(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 2933/ 2666/ 2400 MHz Non-ECC, Un-buffered Memory
Supports Intel Extreme Memory Profile (XMP)
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
* Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.

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Overview

Specs

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Model
Brand	ASUS
Model	PRO WS X299 SAGE II

Supported CPU
CPU Socket Type	LGA 2066
CPU Type	Intel Socket 2066 Core X-Series Processors Supports Intel Virtual RAID on CPU (VROC) * Refer to www.asus.com for CPU support list
Supported CPU Technologies	Turbo Boost Technology 3.0 * The Intel Turbo Boost Technology 3.0 Support Depends on the CPU types.

Chipsets
Chipset	Intel X299

Memory
Number of Memory Slots	8x288pin (DDR4)
Memory Standard	Intel Core X-series Processors (6-core above) DDR4 4266(O.C.)/ 4200(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 2933/ 2666/ 2400 MHz Non-ECC, Un-buffered Memory Supports Intel Extreme Memory Profile (XMP) * Hyper DIMM support is subject to the physical characteristics of individual CPUs. * Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU.
Maximum Memory Supported	256GB

Expansion Slots
PCI Express 3.0 x16	7 x PCIe 3.0/2.0 x16 (single x16 or dual x16/x16 or triple x16/x16/x16 or quad x16/x16/x16/x16 or seven x16/x8/x8/x8/x8/x8/x8)

Storage Devices
Serial ATA (SATA)	8 x SATA 6Gb/s
M.2	1 x M.2_1 socket 3, with M Key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE mode)* 1 x M.2_2 socket 3, with M Key, type 2242/2260/2280 storage devices support (PCIE mode only) 3 x U.2 connector** * M.2 PCIE RAID support, M.2_1 socket shares bandwidth with SATA6G_1 port. When M.2_1 socket runs in SATA mode, SATA6G_1 port will be disabled. ** The U.2 connectors are only supported on 48/44-Lane CPUs.
Intel Optane Ready	Yes

Onboard Audio
Audio Chipset	Realtek S1200A
Audio Channels	7.1 Channels

Onboard LAN
LAN Chipset	Intel I225-LM
Max LAN Speed	2 x 2.5Gbps

Rear Panel Ports
Back I/O Ports	2 x LAN (RJ45) port(s) 1 x USB 3.2 Gen 2 (teal blue) Type-A 1 x USB 3.2 Gen 2 (black) USB Type-C 6 x USB 3.2 Gen 1 (blue) 4 x USB 2.0 (one port can be switched to USB BIOS FlashBack) 1 x Optical S/PDIF out 1 x USB BIOS FlashBack Button(s) 1 x 8-channel Audio I/O

Internal I/O Connectors
Onboard USB	1 x USB 3.2 Gen 2 (up to 10Gbps) connector 1 x USB 3.2 Gen 1 (up to 5Gbps) connector support additional 2 USB ports
Other Connectors	2 x CPU Fan connector(s) 2 x Chassis Fan connector(s) 2 x Addressable RGB header 1 x AAFP connector 2 x Aura RGB Strip Headers 1 x TPM header 1 x VROC_HW_Key 1 x AIO_PUMP connector 1 x Thunderbolt header(s) 1 x Power-on button(s) 1 x Reset button(s) 1 x Clear CMOS button(s) 3 x U.2 connector 1 x System panel connector 1 x COM port header 1 x W_Pump+ Header 1 x Thermal sensor connector 1 x CPU_OV jumper 1 x M.2 Fan Header 3 x U.2 LED switch header

Physical Spec
Form Factor	CEB
LED Lighting	RGB
Dimensions (W x L)	12.0" x 10.5"
Power Pin	1 x 24-pin EATX Power connector(s) 2 x 8-pin ATX 12V Power connector(s) 1 x 6-pin ATX 12V Power connector

Features
Features	Multi-GPU Support Supports NVIDIA 4-Way SLI Technology Supports AMD 4-Way CrossFireX Technology Special Features OC Design - ASUS PRO Clock II Technology 5-Way Optimization by Dual Intelligent Processors 5 - 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ Power Control, Fan Xpert 3, and Turbo App TPU Fan Xpert4 - Fan Xpert 4 featuring Fan Auto Tuning function and multiple thermistors selection for optimized system cooling control ASUS 5X Protection III: - ASUS SafeSlot Core: Fortified PCIe Slot prevents damage - ASUS Overvoltage Protection: World-class circuit-protecting power design - ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability! - ASUS Enhanced DRAM Overcurrent Protection - Short circuit damage prevention - ASUS ESD Guards - Enhanced ESD protection ASUS EPU: - EPU ASUS Digital Power Design: - Industry leading Digital 8 Phase CPU Power Design - Industry leading Digital 2 Phase DRAM Power Design AURA: - Aura RGB Strip Headers - Aura Addressable Strip Header(s) ASUS Exclusive Features: - AI Suite 3 - Ai Charger+ - Crystal Sound 3 ASUS EZ DIY: - ASUS CrashFree BIOS - ASUS EZ Flash - ASUS USB BIOS FlashBack - Multi-language BIOS ASUS Q-Design: - ASUS Q-Shield - ASUS Q-Cable - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector M.2 and U.2 Onboard (The Latest Transfer Technology with up to 32Gb/s Data-transfer Speeds for M.2 and U.2) Thunderbolt 3 support Operating System Windows 10 64-bit Please find the latest OS support from https://www.asus.com/event/Server/OS_support_list/OS.html Environment Operation temperature: 10? ~ 35? Non operation temperature: -40? ~ 70? Non operation humidity: 20% ~ 90% (Non condensing)

Packaging
Package Contents	Accessories: User's manual Addressable LED extension cable 1 x Vertical M.2 bracket set I/O Shield 1 x COM port cable(s) 8 x SATA 6Gb/s cable(s) 1 x M.2 screws 1 x Supporting DVD 1 x MOS Cooling kit (fan bracket and 40mm x 40mm fan) 1 x 3-Way SLI bridge(s) 1 x 4-Way SLI bridge(s) 1 x SLI HB BRIDGE (2-WAY-M) 1 x Q-connector(s) (0 in 1)

Additional Information
Date First Available	October 07, 2021

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 3 years
Limited Warranty period (labor): 3 years
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Return for replacement within: 30 days

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ASUS PRO WS X299 SAGE II LGA 2066 Intel X299 CEB Intel Motherboard

Learn more about the ASUS PRO WS X299 SAGE II

Customer Reviews of the ASUS PRO WS X299 SAGE II

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Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: N82E16813119364

ASUS PRO WS X299 SAGE II LGA 2066 Intel X299 CEB Intel Motherboard

Learn more about the ASUS PRO WS X299 SAGE II

Customer Reviews of the ASUS PRO WS X299 SAGE II

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info