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AsRock Rack C246M WS Micro ATX Server Motherboard LGA 1151 Intel C246
- mATX 9.6'' x 9.6''
- Support Intel Xeon E-2100 Processors
- Supports 4 x DIMM slots, Dual channel DDR4 2666/2400 ECC and non-ECC U DIMM max 64 GB
- Support 8 x SATA3 by C246
- Support 1 x PCIe 3.0 x16 + 1 x PCIe 3.0 x8 + 1 x PCIe 3.0 x4
- Support 2 x RJ45 GLAN
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Specs
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Learn more about the ASRock Rack C246M WS
| Brand | AsRock Rack |
|---|---|
| Model | C246M WS |
| CPU Type | Supports Intel Xeon E-2100 / E-2200 Series Processors |
|---|
| North Bridge | Intel C246 |
|---|
| DDR4 Standard | Supports DDR4 2666 / 2400 ECC / non-ECC U DIMM |
|---|---|
| Maximum Memory Supported | 64GB |
| Channel Supported | Dual Channel |
| PCI Express 3.0 x16 | SLOT6: Gen3 x16 link, auto switch to x8 link if SLOT4 is occupied |
|---|---|
| PCI Express x8 | SLOT4: Gen3 x8 link |
| PCI Express x4 | SLOT5: Gen3 x4 link |
| SATA | C246: 8 x SATA3 6Gb/s (SATA0-7, SATA0 support support SATA DOM, and share with M.2 (PCIE 3.0 (X4) ) / SATA3) |
|---|
| Number of LAN | 2 x RJ45 GLAN by Intel i210 & I219LM |
|---|
| Video Ports | 1 x HDMI 1 x D-Sub 1 x Serial Port 1 x Display Port |
|---|---|
| USB 3.1 | 4 x USB 3.1 |
| S/PDIF Out | 1 x Optical |
| Audio Ports | 1 x Port (3 Jack) |
| Features | Supports Intel Xeon E-2100 Processors Supports Dual channel DDR4 2666 / 2400 ECC and non-ECC U DIMM max 64GB Support 8 x SATA3 by C246 Supports 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x8, 1 x PCIe 3.0 x4 Supports Intel i210 & i219LM |
|---|
| Form Factor | Micro ATX |
|---|---|
| Dimensions (W x L) | 9.6" x 9.6" |
| First Listed on Newegg | January 10, 2019 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 909-590-8308
- Support Website
- View other products from ASRock Rack
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The ASRock Rack C246M WS is a Micro ATX workstation/server motherboard for Intel Xeon E-2100 and E-2200 processors, suited to compact builds that need ECC memory support, up to 64GB of RAM, and multiple expansion slots.
Recommended For
- Small-workstation builders running compatible Xeon E processors who need ECC memory for CAD, digital imaging, or media-creation workloads in a Micro-ATX system.
- DIY NAS or small-server builders who want several directly attached SATA drives, ECC UDIMM support, and dual Gigabit Ethernet in a compact build they can manage locally.
- Compact workstation builders who need multiple PCIe cards, such as a graphics card plus another expansion card, and can plan around the board’s slot-lane sharing.
Real-World Use Scenarios
- For a compact workstation used for CAD, media creation, or digital imaging, pair the board with a compatible Xeon E processor and suitable graphics; ASRock positions it for these workloads, while the exact project speed depends on the chosen CPU, memory, and graphics card.
- For a small file server or home NAS, connect several SATA drives for shared files or an archive and use an M.2 drive for the system; check the storage layout first because SATA0 is shared with an M.2 SATA connection.
- For a small virtualization or homelab host, run a modest set of test machines or services on a compatible Xeon system; the board offers ECC-memory support and two Gigabit Ethernet ports, but its 64 GB memory ceiling and lack of IPMI remote management make it a better fit for smaller setups than dense server deployments.
- For an office workstation used across several displays, the board can provide up to three displays when paired with a compatible processor with integrated graphics; this can suit imaging or general productivity work without requiring a discrete graphics card, depending on the workload.
- For a small business workstation handling important files or technical workloads, compatible ECC UDIMMs offer an error-correction option; confirm processor and memory compatibility before building, since ECC support alone does not guarantee every CPU-and-memory combination will use ECC.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Xeon-based server or workstation builds needing DDR4 memory options, multiple SATA drives, PCIe expansion, and dual Ethernet |
| Processor And Platform | Intel Xeon E-2100 and E-2200 series support on the Intel C246 chipset, with an LGA 1151 socket |
| Memory Configuration | Four DIMM slots support dual-channel DDR4-2666/2400 ECC or non-ECC unbuffered DIMMs, up to 64 GB |
| PCIe Expansion | Three PCIe 3.0 slots: one x16 slot that switches to x8 when SLOT4 is occupied, one x8 slot, and one x4 slot |
| Storage And Expansion | Eight C246 SATA3 6 Gb/s ports; SATA0 supports SATA DOM and shares connectivity with the M.2 PCIe 3.0 x4/SATA3 interface |
| Networking | Two RJ45 Gigabit Ethernet ports using Intel i210 and I219LM controllers |
| Rear I/O And Audio | Video outputs include HDMI, DisplayPort, and D-Sub; also includes a serial port, four USB 3.1 ports, two USB 2.0 ports, three-jack audio, and optical S/PDIF |
| Power Connector | 24-pin main power connector |
| Form Factor And Dimensions | Micro ATX, 9.6 × 9.6 inches |
| Model Identifiers | ASRock Rack C246M WS |