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.
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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