Pro WS C422-ACE

Intel® Socket 2066 Processors
Supports Intel® 14 nm CPU
Supports Intel® Turbo Boost Max Technology 3.0 
* Refer to www.asus.com for CPU support list
* The Intel® Turbo Boost Technology 3.0 Support Depends on the CPU types.

Intel® C422

8 x DIMM, Max. 512GB, DDR4 2933/2666/2400/2133 MHz RDIMM, LR-DIMM Memory *¹
Quad Channel Memory Architecture

Supports NVIDIA® 3-Way SLI® Technology
Supports AMD 3-Way CrossFireX™ Technology

48-Lane CPU-
2 x PCIe 3.0 x16 (dual x16)
1 x PCIe 3.0 x16 (x8 mode) *²

Intel® C422 Chipset : *⁴
1 x M.2 Socket 3*³, with M Key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE mode)
1 x U.2 connector
6 x SATA 6Gb/s port(s)*³
Intel® Virtual RAID (VROC) support for CPU RAID : *⁴
2 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
1 x U.2 connector*²,
Support Raid 0, 1, 5, 10

Intel® I219-LM
Intel® I210-AT

Realtek® S1220A 8-Channel High Definition Audio CODEC *
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Front panel audio connector (AAFP)
Audio Feature :
- Optical S/PDIF out port(s) at back panel
- Audio Shielding: Ensures precision analog/digital separation and greatly reduced multi-lateral interference
- Premium Japanese-made audio capacitors: Provide warm, natural and immersive sound with exceptional clarity and fidelity
- Unique de-pop circuit: Reduces start-up popping noise to audio outputs
Separate layer for left and right track, ensuring both sound deliver equal quality
* Choose the chassis with HD audio module in front panel to support 8-channel audio output.

Intel® C422 Chipset :
8 x USB 3.1 Gen 1 port(s) (4 at back panel, , 4 at mid-board)
Intel® C422 Chipset :
6 x USB 2.0 port(s) (2 at back panel, , 4 at mid-board)
ASMedia® USB 3.2 Gen 2 controller :
4 x USB 3.1 Gen 2 port(s) (4 at back panel, , Type-A, 3 x Type-A+1 x Type-C)

USB BIOS FlashBack^™
ASUS Control Center Express (ACC Express)

ASUS 5X Protection III :
- ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges!
- 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 SafeSlot - Protect your graphics card Investment
ASUS Exclusive Features :
- USB BIOS FlashBack^™
- AI Suite 3
- Ai Charger
- ESD Guards
- Onboard Button : Reset
- Turbo LAN
- Armoury Crate
- BIOS FlashBack^™ Button
DIGI + Power Control :
- CPU Power: Digital 8-phase power design
DIGI + Power Control :
- DRAM Power: Digital 2-phase power design
ASUS Quiet Thermal Solution :
- Stylish Fanless Design: PCH Heat-sink & MOS Heat-sink & M.2 Heat-sink solution
- ASUS Fan Xpert 4
ASUS EZ DIY :
- ASUS CrashFree BIOS 3 
- ASUS EZ Flash 3 
- ASUS UEFI BIOS EZ Mode
ASUS Q-Design :
- ASUS Q-Shield
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM
M.2 and U.2 Onboard (The Latest Transfer Technology with up to 32Gb/s Data-transfer Speeds for M.2 and U.2)
ASUS Control Center Express (ACC Express) IT management software supported
Intel® Virtual RAID on CPU (VROC) ready

Windows® 10 64-bit

2 x LAN (RJ45) port(s)
3 x USB 3.2 Gen 2 Type-A,
1 x USB 3.2 Gen 2 Type-C
4 x USB 3.2 Gen 1 Type-A
2 x USB 2.0 (one port can be switched to USB BIOS FlashBack^™)
1 x Optical S/PDIF out
1 x 8-channel Audio I/O

1 x AAFP connector
2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x 4 mode)
1 x SPI TPM header
6 x SATA 6Gb/s connector(s)
1 x VROC_HW_Key
1 x CPU Fan connector(s)
1 x CPU OPT Fan connector(s)
3 x Chassis Fan connector(s)
1 x AIO_PUMP connector
1 x 24-pin EATX Power connector(s)
2 x 8-pin EATX 12V Power connectors
1 x Clear CMOS jumper(s)
1 x Node Connector(s)
1 x USB BIOS FlashBack^™ button(s)
1 x System panel connector
1 x COM port header
2 x U.2 Connector (support U.2 NVMe device)
1 x T_Sensor Connector
1 x Reset button
1 x Q-Code
1x 6-pin ATX 12V Power connector

User´s manual
1 x Vertical M.2 bracket set
I/O Shield
4 x SATA 6Gb/s cable(s)
1 x M.2 Screw Package
1 x Supporting DVD
1 x ASUS VGA Holder

128 Mb Flash ROM, UEFI AMI BIOS, PnP, SM BIOS 3.2, ACPI 6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F1 General Help, F2 Previous Values, F3 MyFavorite, F5 Optimized Default, F6 QFan Control, F7 EZ mode/Advanced Mode, F9 Search, F10 Save, F11 EZ Tuning Wizard, F12 Print Screen, and ASUS DRAM SPD (Serial Presence Detect) memory information

WfM 2.0, DMI 3.0, WOL by PME, PXE

Windows® 10 64-bit

ATX Form Factor
12  inch x 9.6  inch ( 30.5  cm x 24.4  cm )

*1 Memory capacity supported depends on both CPU installed and Memory
*2 PCIEX16_3 shares bandwidth with U.2_2. Disable U.2_2 in BIOS settings to allow PCIEX16_3 to run at x8 mode.
*3 The SATA6G_1 shares bandwidth with M.2_1. SATA_1 will be disabled if M.2_1 is populated by a SATA device.
*4 For PCIe 3.0 lanes from Intel® Xeon™ W Processors and SATA ports from Intel® C422 Chipset, RAID 0, 1, 5, 10 support is only possible with an Intel® VROC Key; otherwise only RAID 0, 1 are supported