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ASUS WS C246M PRO uATX Server Motherboard LGA 1151 Intel C246 Chipset

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  • LGA 1151
  • Intel C246

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews

Asus WS C246M PRO motherboard

Powered by Intel C246 chipset, this workstation motherboard flawlessly works with 9th/8th Intel Core processor and Intel Xeon E-2100/E-2200 processors in LGA 1151 packaing, and supports UDIMM ECC/non-ECC memory. Its uATX form factor accommodates a full suite of ports and connectors needed for your current build and future expansion, including quad DIMM slots, three PCIe slots, an M.2 slot, two USB 3.1 Gen2 (10 Gbps) ports, dual RJ-45 Ethernet ports, and HDMI/DisplayPort/VGA outputs for up to triple-monitor setup. And manufatured with premium components, avanced circuit, and rigorous testing, the Asus WS C246M PRO guarantees unbeatable stability and reliability required for 24x7 opeartion for your mission-critical applications.

  • Designed for 8th generation LGA1151 socket Intel Core and Intel Xeon E-Series Processors featuring M.2, front panel USB 3.1 Gen2, Dual Intel Gigabit LAN, support for ECC DDR4, and Intel Optane Memory compatibility
  • Exclusive SafeSlot features an injection molding process that integrates metal framing for stronger, firmly anchored PCIe slots built for heavyweight GPUs
  • Supports up to three independent displays simultaneously for better multitasking and enhanced productivity
  • 8-channel HD audio enhanced by ASUS exclusive Realtek ALC887 high definition audio CODEC
  • Complete IT Infrastructure Management with in-band ASUS Control Center providing a complete server management solution reducing IT operating costs with features like remote BIOS updating, monitoring multiple systems via mobile device, and one-click software updates/dispatching

Rack-optimized design for better cooling efficiency

WS C246M PRO is the perfect workstation motherboard for media server, cloud gaming and video streaming applications. Its rack-optimized layout maximizes cooling efficiency for the best performance and stability, ensuring it's ready to meet the demands of enterprise or academia use.

Powerful performance with Intel Xeon E processor and ECC memory

WS C246M PRO supports Intel Xeon E series processors to deliver powerful, optimized performance in always-on usage scenarios. Support for Error-Correcting Code (ECC) memory enables automatic detection and repair of single-bit memory errors, reducing the chance of system crashes and data corruption to ensure reliable and responsive workstation performance.

Supports up to three independent displays simultaneously

WS C246M PRO is equipped for total display flexibility with onboard HDMI, DisplayPort and VGA connectivity. With a compatible latest-generation Intel processor, you can connect up to three independent displays simultaneously for better multitasking and enhanced productivity.

Accelerated data-transfer speeds of up to 32Gbps with M.2

With PCIe 3.0 x4 bandwidth, one M.2 supports up to 32Gbps data-transfer speeds with native NVMe — that's up to 5.3X faster than traditional SSDs. WS C246M PRO also supports the very latest 2.5-inch NVMe SSDs for quick and easy setup.

Onboard USB 3.1 for fast transfer speeds of up to 10Gbps

WS C246M PRO has two onboard USB 3.1 Gen2 connectors that provide data-transfer speeds of up to 10Gbps, twice as fast USB3.1 Gen1.

SafeSlot

ASUS SafeSlot is the PCIe slot reinvented by ASUS and engineered to provide superior retention and shearing resistance, which protect your graphics card investment. Manufactured in a single step using a new injection-molding process integrates the slot with the fortifying metal for an inherently stronger slot, which is then firmly anchored to the PCB through additional solder points.

ASUS Control Center

WS C246M PRO features ASUS Control Center (ACC), a centralized and integrated IT management platform for monitoring and controlling ASUS commercial products, including servers, workstations and digital signage. ACC enables remote BIOS updates, monitoring of multiple systems via mobile devices, and one-click software updates and dispatching, allowing easier server management for any IT infrastructure.


Learn more about the ASUS WS C246M PRO

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Nice compact 1151 MB 3/1/2020 11:52:08 AM

Pros: Small size
8 SATA connectors
LED readout for trouble codes
3 video outputs
M.2 slot
Can update BIOS without all attachments on

Cons: Manual says if you have a M.2 connected you lose a SATA port. So far it says I have all SATA port available, but I've only used 6. Maybe a newer BIOS changed the situation?

Overall Review: Great for a server build with a E-2146G. With the CPU in, the onboard graphics worked with no issues. I can save the PCIex slots for something else. I use the M.2 for the Server 2016 Essentials and some add on software, and use the SATA slots for drives. USB 3 and 2 internal connectors and a good amount of fan ports. No issues so far.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Updated: Reliable with limited recommendation 2/20/2020 5:48:31 PM

Pros: Refined aesthetic without gimmicks.

Cons: VRM is "ok"

Overall Review: UPDATE FEBRUARY 2020
I pulled the motherboard as it ran warm; at idle the PCH could not get below 40 deg C, and the VRM rarely below the mid 40's deg C. Was able to get VRM down to 40 deg C by removing side panel and aiming a large fan there. Bios was configured by default to not allow the CPU to turbo. Replaced with a Supermicro X11SCZ-F.

Comparison:
- CPU stress tests using Intel Extreme Tuning Utility – 15 min run.
- CPU on all systems configured to allow “turbo”.
- C246M-PRO and X11SCZ-F used the same components & case listed above. P10S-M has 32GB ram and similar components except a stock Intel cooler and integrated graphics.
- The Asus C246M-PRO has 5K Apaq capacitors; Capxon audio caps. The VRM is by On-Semi w/ ASP1400CTB controller. Idle temps – CPU in low 30’s, VRM in the mid 40’s; under stress the CPU topped at 63 deg C and VRM at 75 deg C.
- The Asus P10S-M uses 12K Nichicon caps; Nichicon Gold audio caps and the VRM is by International Rectifier w/ ASP1405I controller. At idle – 29 - 30 deg C; VRM- 26-28 deg C. Running stress test for 15 minutes, CPU maxed at 73 deg C and the VRM topped out at 44 deg C.
- Supermicro X11SCZ-F – caps do not indicate manuf or rating; VRM is by Monolithic Power Systems (and does not utilize a heatsink). CPU idles in the low 30’s with VRM in the low to mid 30’s. Stress testing, CPU – 62 deg C and the VRM at 53 deg C.
- All systems remained stable.

The C246M-PRO appears to utilize a lightweight, desktop quality VRM with server / workstation features for the chipset and networking. The P10S-M and X11SCZ-F use what is considered server grade components.

For the money, I was disappointed with the Asus C246M-PRO.


ORIGINAL REVIEW
Purchased this motherboard in early August to pair with an Xeon E-2146G. Upgrades an Asus P10S-M WS Motherboard (quite nice also) with Xeon E3-1275 v6 CPU.

I “reset” Windows 10 Pro and then swapped motherboards / CPU & RAM. Issues at first booting until I realized my disks were previously setup in GPT – the bios was looking for MBR. A simple bios setting adjustment and I booted right into Windows, which quickly figured out the motherboard driver differences. It has been running 24/7 with no issues.

Programs: Capture One Pro, Affinity Photo, CAD, web, office productivity

Components -
CPU - E-2146G Xeon CPU
Cooler - Noctua NH-C12P Cooler (purchased in 2008) w/ NF-F12 CPU Fan (new-ish) & NM-i115x kit (new-ish)
RAM – Crucial 16GB ECC DDR4 2666 - CT16G4WFD8266 (2 sticks, 32 GB total)
Graphics Card - Nvidia M2000
SSD - Samsung 970 Pro 512GB M.2 boot
SSD - Samsung 850 Pro - 256GB
SSD – Samsung 850 EVO – 1TB
HD – Western Digital Red NAS 2TB
PSU - Seasonic Prime 650 GD2
Case - Jonsbo UMX3

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
4/ 5
Great to pair with a Core i3 for ECC memory usage... I think? 12/26/2018 7:31:18 PM

Pros: - It works
- Pretty easy to flash the BIOS
- LED readout makes it easy to understand what's going on while you're booting
- Happy with the features in this uATX size

Cons: - Sometimes hangs on boot or restart, LED error code '7F' which correlates to 'Reserved for future AMI DXE codes' in the manual, whatever that means.
- Strongly recommend updating the BIOS as soon as you get it
- Manual oddly recommends what appears to be a single-channel DIMM configuration when you have two DIMMs

Overall Review: This is my first time getting a server-grade motherboard. I wanted to build a storage PC using ECC memory, so this board + a Core i3 seemed to be a relatively inexpensive option. I'm not 100% sure ECC is enabled and active, but in the BIOS under Chipset > Memory, 'Enabled' is an option for ECC mode, so it does seem to be enabled.

1 out of 4 people found this review helpful. Did you?
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