ASUS MB Sc LGA4677 PRO WS W790-ACE, Intel W790, 8xDDR5, CEB

Intel Socket LGA4677 for Xeon W-3400 and W-2400 Series Processors*
Supports Intel Turbo Boost Max Technology 3.0
* Refer to www.asus.com for CPU support list.

Intel W790 Chipset

8 x DIMM slots, Max. 2048GB, DDR5 6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200(OC)/5000(OC)/4800 ECC Registered Memory*
Quad Channel Memory Architecture
Supports Intel Extreme Memory Profile (XMP)
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory
configuration, for more information please refer to CPU/Memory Support under the Support tab or visit  https://www.asus.com/support/

Intel Xeon™ W-3400 and W-2400 Series Processors
5 x PCIe 5.0 x16 slot(s) (supports x16, x16, x16, x0/x8, x16/x8 modes)
* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported
peripherals.

Total supports 2 x M.2 slots, 4 x SATA 6Gb/s ports and 3 x SlimSAS ports*
Intel W790 Chipset**
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
SlimSAS_1 slot supports  PCIe 3.0 x4 mode NVMe device
SlimSAS_2 slot supports PCIe 4.0 x4 mode or up to 4 SATA devices via a transfer cable. The cable is perchased seperately.  
SlimSAS_3 slot supports  PCIe 4.0 x4 mode NVMe device
4 x SATA 6Gb/s ports*
* Supports Intel Virtual RAID on CPU (Intel VROC) and Intel Volume Management Device (IntelVMD)
** Intel VROC Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10. VROC HW_Key is purchased separately.

1 x Marvell AQtion 10Gb Ethernet
1 x Intel 2.5Gb Ethernet
ASUS LANGuard

Rear USB (Total 13 ports)
1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C)
4 x USB 3.2 Gen 2 port(s) (4 x Type-A )
8 x USB 2.0 port(s) (8 x Type-A)
Front USB (Total 7 ports)
1 x USB 3.2 Gen 2x2 (supports USB Type-C)
1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports

Realtek S1220A 7.1 Surround Sound High Definition Audio CODEC*
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback*
Audio Features
- Power pre-regulator reduces power input noise to ensure consistent performance
- Rear optical S/PDIF out port
- Premium audio capacitors
- Dedicated audio PCB layers
- Unique de-pop circuit
* Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 7.1
Surround Sound audio.

1 x USB 3.2 Gen 2x2 port(s) (1 x USB Type-C)
4 x USB 3.2 Gen 2 port(s) (4 x Type-A)
8 x USB 2.0 port(s) (8 x Type-A)
1 x Marvell AQtion 10Gb Ethernet port
1 x Intel 2.5Gb Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™  button
1 x Clear CMOS button

Fan and Cooling related
1 x 4-pin CPU Fan header(s)
1 x 4-pin CPU OPT Fan header(s)
5 x 4-pin Chassis Fan header(s)
1 x W_PUMP+ header(s)
Power related
2 x 24-pin Main Power connector
4 x 8-pin +12V Power connector
1 x 8-pin PCIe Power connector
Storage related
2 x M.2 slots (Key M)
3 x SlimSAS slots
4 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 2x2 connector (support(s) USB Type-C )
1 x USB 3.2 Gen 1 header(s) support(s) 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 header(s) support(s) 4 additional USB 2.0 ports
Miscellaneous
1 x BMC header
1 x COM Port header
1 x FlexKey button
1 x Front Panel Audio header (AAFP)
1 x LN2 Mode jumper
1 x ReTry button
1 x Start button
1 x SPI TPM header (14-1pin)
1 x 20-3 pin System Panel header with Chassis intrude function
1 x Thermal Sensor header
1 x VROC Key header

Extreme OC Kit
- FlexKey button
- ReTry button
- Start button
ASUS 5X PROTECTION III
- DIGI+ VRM (- Digital power design with DrMOS)
- ESD Guards
- LANGuard
- Overvoltage Protection
- Safeslot
- Stainless-Steel Back I/O
ASUS Q-Design
- M.2 Q-Latch
- Q-Code
- Q-Connector
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Bespoke Motherboard Design & Business Focused Features
- 24/7 Reliability
- Overcurrent Protection

ASUS Exclusive Software
Armoury Crate
- Fan Xpert 4
AI Suite 3
- TPU
- DIGI+ VRM
- Turbo app
- PC Cleaner
ASUS CPU-Z
IT Management software supported
- ASUS Control Center Express(ACCE)
Adobe Creative Cloud (Free Trial)
Norton 360 Deluxe (60 Days Free Trial)
WinRAR
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- Start ASUS EzFlash
FlexKey

512 Mb Flash ROM, UEFI AMI BIOS

WOL by PME, PXE (UEFI mode)

Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x Q-connector
1 x M.2 Rubber Package(s)
1 x M.2 backplate Rubber Package(s)
1 x CPU guard for LGA 4677 E1A
1 x CPU guard for LGA 4677 E1B
Documentation
1 x ACC Express Activation Key Card
1 x User guide

CEB Form Factor
12 inch x 10.5 inch (30.5 cm x 26.67 cm)