AsRock EC266D4-4L ATX Rack Server Motherboard

Overview

The AsRock EC266D4-4L is an ATX-format rack server motherboard built around a single LGA1700 socket, aimed at integrators building single-socket server or network appliance nodes where onboard multi-gigabit LAN density matters more than a large expansion footprint. At 12.00 x 9.60 in, it fits standard ATX server chassis and rackmount enclosures without a proprietary tray. This is a specification-limited listing — full chipset, memory, and expansion details are not published in the current evidence set, so treat this page as a starting point and confirm exact platform requirements (CPU generation, RAM type, BIOS revision) against the AsRock Rack documentation before ordering in volume.

Key Features

• ATX Form Factor: standard 12.00 x 9.60 in footprint drops into common ATX server chassis and rackmount cases without needing a custom tray — simplifies chassis sourcing for integrators standardizing on off-the-shelf enclosures.
• Single LGA1700 Socket: one CPU socket keeps this board in single-processor server and appliance builds rather than dual-socket high-density deployments — the right scope for edge servers, NVR hosts, or single-node network appliances rather than virtualization clusters.
• 4x Gigabit LAN: four onboard GbE ports let you segment traffic (management, storage, camera VLANs, WAN uplink) without adding a PCIe NIC — useful when a build calls for physical network separation out of the box.
• 2.50 lb Board Weight: light enough for standard rack rail and chassis hardware ratings, a minor factor when calculating total system weight for a populated 1U or 2U build.

Integration & Compatibility

As an LGA1700 platform, the EC266D4-4L targets Intel CPUs using that socket generation — confirm exact supported CPU families and BIOS version against AsRock Rack's own documentation before specifying a processor, since that detail isn't part of the verified data for this listing. The board's four Gigabit LAN ports make it a reasonable fit alongside network video recorders and other appliance builds where dedicated NICs are pulled in for management versus data traffic separation. If you're speccing this into a broader rack build, pair it with a rack-rated power supply sized to your CPU and drive configuration, and review a network planning guide if the deployment involves PoE-powered edge devices on the same segment. For the full AsRock catalog, compare this single-socket board against other server motherboards in the lineup if your build needs more LAN ports, a different socket generation, or dual-socket scalability.

Frequently Asked Questions

Q: What socket does the EC266D4-4L use?

A: It uses a single LGA1700 socket, per the board's listed configuration.

Q: How many LAN ports does the EC266D4-4L have?

A: Four onboard Gigabit LAN (GbE) ports.

Q: What form factor is the EC266D4-4L?

A: Standard ATX, measuring 12.00 x 9.60 in.

Q: Where is the EC266D4-4L manufactured?

A: The board's country of origin is China (CN).

Q: How much does the EC266D4-4L weigh?

A: 2.50 lb.

Ted Perry

The EC266D4-4L lands on my desk as a fairly narrow spec sheet, but the fundamentals that are confirmed tell a clear story: this is a single-socket LGA1700 ATX board built for four-port GbE network segmentation, not a general-purpose desktop board repurposed for server duty.

Technical Highlights:

• Single LGA1700 Socket: confirms this is a single-CPU platform, positioning it for edge appliance and single-node server builds rather than dual-socket density.
• 4x Gigabit LAN: four onboard NICs give you management, data, and uplink separation without burning a PCIe slot on an add-in card.
• ATX Footprint, 12.00 x 9.60 in, 2.50 lb: standard dimensions and a light board weight mean it drops into common rack chassis without special-order hardware.

Deployment Considerations:

• Confirm exact supported CPU SKUs, memory type, and BIOS revision directly against AsRock Rack's own documentation before finalizing a build — that detail isn't part of the verified spec set here.
• With only socket type, LAN count, and physical dimensions confirmed, treat chipset-level and expansion-slot decisions as open until you've checked the manufacturer's documentation for EC266D4-4L (sometimes searched as EC266D4 4L).

Good fit for an integrator standardizing a single-socket LGA1700 appliance chassis around four dedicated GbE ports — for anything requiring dual-socket scalability or a different LAN count, check the rest of the AsRock server board lineup first.