The ASRock Rack EP2C621D16-4LP is an EEB dual-socket server motherboard for systems using supported Intel Xeon Scalable processors, with 16 DDR4 DIMM slots and four PCIe 3.0 x16 slots; it suits server builders needing substantial memory and expansion capacity.
Recommended For
- IT teams or lab builders running multiple virtual machines or cloud-style workloads who can use a dual-Xeon platform, substantial registered-memory capacity, and remote management.
- Compute or data-processing builders consolidating heavily parallel CPU work—such as batch jobs or automated testing—into a dual-socket server rather than a conventional desktop.
- Web-hosting or infrastructure operators building a fixed server that benefits from four onboard 1GbE ports, dedicated IPMI management, and multiple PCIe slots for add-in cards.
- Storage-server builders who want numerous SATA connections for drive arrays and can add a separate storage controller or other expansion cards as their design requires.
Real-World Use Scenarios
- For a virtualization host running several VMs or infrastructure services, this board provides a dual-processor platform with many memory slots; the practical result is room to configure workloads that need multiple CPUs and substantial system memory, subject to compatible components.
- For compute-heavy or data-processing jobs that can run in parallel, a system built around this board can combine two supported Xeon Scalable processors with server memory, giving workloads multiple CPU resources to use.
- For hosting websites or internal web applications, this board can serve as the hardware foundation for a server that runs web services and related workloads; storage, operating system, and network configuration are supplied separately.
- For a storage-focused server, a builder can connect SATA drives and add suitable storage controllers or other expansion cards; the likely experience is flexibility in assembling a multi-drive system, with drive bays and any required controllers dependent on the rest of the build.
- For a rack server that is managed remotely, the dedicated IPMI network connection lets an administrator access the board’s management functions separately from the operating system’s network connection, which is useful for routine out-of-band administration.
Spec Summary
| Attribute | Value |
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| Best For | Server builds using dual Intel Xeon Scalable processors, multiple DDR4 DIMMs, PCIe expansion cards, and SATA or M.2 storage |
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| Processor And Chipset | Dual Socket P platform for Intel Xeon Scalable and 2nd Gen. Intel Xeon Scalable processors, with an Intel C621 chipset |
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| Memory Configuration | 16 x 288-pin DDR4 slots with quad-channel support; supports 2933, 2666, 2400, and 2133 RDIMM/LR DIMM, plus Intel Optane DC Persistent Memory in memory mode with Cascade Lake processors |
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| Expansion And Storage | Four PCIe 3.0 x16 slots and two PCIe 3.0 x8 slots; 14 Intel C621 SATA3 ports, including two SATA DOM ports and two SATA ports that switch with the M.2 connection. One M.2 M-key slot supports 2230, 2242, 2260, and 2280 drives over PCIe x4 or SATA |
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| Networking And I/O | Four Marvell 88E1543 Gigabit Ethernet RJ45 ports plus a dedicated IPMI RJ45 port; four USB 3.0 ports, one USB 2.0 Type-A port, one USB 3.2 Gen 1 header supporting two USB 3.0 ports, one COM port, and one D-Sub video port |
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| Onboard Management And Headers | Aspeed AST2500 onboard video chipset; includes auxiliary panel, TPM, IPMB, and VGA headers, a buzzer, and LAN activity/link and speed LEDs |
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| Power And Cooling | 24-pin ATX power connector and two 8-pin power connectors; two 4-pin CPU fan headers and four 6-pin system fan headers |
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| Form Factor And Dimensions | EEB form factor, 12.0 x 13.0 inches |
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| Model Identifiers | ASRock Rack EP2C621D16-4LP |
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