SKU: 21281220195

ASRock Rack EP2C621D12 WS Server Motherboard - Intel C621 Chipset - Socket P LGA-3647 - SSI EEB

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Description

ASRock Rack EP2C621D12 WS Server Motherboard - Intel C621 Chipset - Socket P LGA-3647 - SSI EEBThe ASRock Rack EP2C621D12 WS is a premium server grade motherboard engineered for data centers, virtualization stacks, and enterprise workloads that demand robust multi processor performance, expansive memory capacity, and dependable uptime. Built around the Intel C621 chipset and designed in the SSI EEB form factor, this motherboard unlocks the full potential of 2nd Gen Intel Xeon Scalable processors, delivering the reliability and scalability

The ASRock Rack EP2C621D12 WS is a premium server-grade motherboard engineered for data centers, virtualization stacks, and enterprise workloads that demand robust multi-processor performance, expansive memory capacity, and dependable uptime. Built around the Intel C621 chipset and designed in the SSI EEB form factor, this motherboard unlocks the full potential of 2nd Gen Intel Xeon Scalable processors, delivering the reliability and scalability required for mission-critical applications. With dual Socket P LGA-3647 sockets, 12 DIMM slots, and a versatile memory ecosystem, the EP2C621D12 WS enables administrators to optimize for virtualization density, memory-intensive workloads, and infrastructure-as-a-service deployments. Its thoughtful layout and server-focused features are tailored for rack deployments, making it a strong foundation for private clouds, data-intensive databases, and high-availability workloads that keep businesses online around the clock.

  • Dual-socket Xeon performance for scalable workloads: The EP2C621D12 WS supports dual Socket P LGA-3647 sockets and 2nd Gen Intel Xeon Scalable processors, delivering extraordinary multi-core performance and memory bandwidth. This design is ideal for virtualization hosts, database servers, and compute-heavy applications where consolidation and performance per watt matter most. With two CPUs in play, operations such as live migration, in-memory processing, and complex analytics can run more smoothly, reducing bottlenecks and accelerating service delivery across the enterprise.
  • Generous DDR4 memory with 12 DIMM slots: Equipped with 12 memory slots, the board supports DDR4 SDRAM with a total capacity up to 64 GB. It accommodates a range of memory configurations, including standard DIMMs, LRDIMMs, and NVDIMMs, offering administrators the flexibility to tailor memory to workload requirements—from virtualized desktops and dense databases to large-scale in-memory computing. The broad memory compatibility helps optimize latency and throughput for small to medium virtualization farms and big-data analytics environments alike.
  • Enterprise-ready form factor and chipset: Built on the Intel C621 chipset and packaged in the SSI EEB form factor (12" x 13"), this motherboard is purpose-built for rackservers and dense deployments. The SSI EEB footprint ensures robust power delivery, signal integrity, and airflow characteristics essential for 24/7 operation in data centers. The combination of chipset and form factor supports a broad ecosystem of server components, making it easier to pair with compatible chassis, storage controllers, and I/O expansion options for scalable architectures.
  • Reliable networking and core I/O for data center workloads: With onboard Gigabit Ethernet and server-grade I/O capabilities, the EP2C621D12 WS provides dependable network connectivity that underpins virtualization hosts, storage gateways, and application servers. This foundation supports reliable data transfer, remote management, and consistent service delivery. The motherboard’s design also lends itself to expansion through compatible PCIe resources and storage interfaces, enabling administrators to tailor networking and storage topologies to workload demands without compromising reliability.
  • Enterprise-grade reliability and future-proofing: ASRock Rack designs its server motherboards for demanding environments, prioritizing long-term availability, robust power delivery, and compatibility with enterprise software ecosystems. The EP2C621D12 WS is built to handle continuous operation, virtualization workloads, and mission-critical services, offering administrators a stable platform that scales with business growth and evolving infrastructure requirements. This makes it an attractive choice for private cloud deployments, virtualization clusters, and workloads that require consistent uptime and predictable performance.

Technical Details of ASRock Rack EP2C621D12 WS Server Motherboard

  • Form Factor: SSI EEB (12" x 13")
  • Chipset: Intel C621
  • CPU Sockets: Dual Socket P LGA-3647
  • Processors Supported: 2nd Gen Intel Xeon Scalable Processors
  • Memory: 12 x DIMM slots, DDR4 SDRAM, up to 64 GB total; supports DIMM, LRDIMM, NVDIMM
  • Maximum Memory: Up to 64 GB (total across the board)
  • Networking: Gigabit Ethernet onboard

How to install ASRock Rack EP2C621D12 WS Server Motherboard

Installing the EP2C621D12 WS in a compatible server chassis involves careful preparation and adherence to best practices for server assembly. Follow these general steps to ensure a reliable build and optimal performance:

  • Power down the host system, unplug all power sources, and discharge any static.
  • Prepare the chassis by installing the appropriate standoffs for the SSI EEB form factor and ensuring there is adequate airflow and cooling for dual-CPU operation.
  • Install the CPUs into the Socket P LGA-3647 sockets. Apply a suitable amount of thermal interface material per vendor guidance and secure the coolers to maintain optimal temperatures under load.
  • Install memory modules into the 12 DIMM slots, following the manufacturer’s memory population guidelines for dual-socket configurations to maximize interleaved bandwidth and stability.
  • Mount the motherboard in the chassis, align screw holes, and secure with standoffs. Connect power supply cables, including CPU power rails, memory power, and any required chassis management connectors.
  • Attach storage controllers and any expansion cards as required by your workload. Connect networking cables and ensure proper MAC addressing and management interfaces are visible in your BIOS/UEFI.
  • Power on and enter the BIOS/UEFI. Update to the latest firmware if available, configure boot devices, memory XMP/UDIMM profiles, and CPU settings for desired performance and reliability settings. Save changes and exit, then install the operating system and required drivers.
  • Run post-install health checks, including temperature, voltage, and fan speed monitoring, and verify that all CPUs and memory are recognized by the system. Validate virtualization or database workloads under typical load to confirm stability and performance.

Frequently asked questions

  • What processors does this motherboard support? It supports dual Socket P LGA-3647 sockets for 2nd Gen Intel Xeon Scalable processors, enabling scalable performance for demanding workloads.
  • How much memory can I install? The board offers 12 DIMM slots for DDR4 SDRAM with a maximum memory capacity of 64 GB across the entire board, using compatible DIMMs, LRDIMMs, or NVDIMMs.
  • What is the form factor? The EP2C621D12 WS uses the SSI EEB form factor, measuring 12" x 13", optimized for dense server deployments and standard rack infrastructure.
  • Does it include onboard networking? Yes, the board provides Gigabit Ethernet connectivity for reliable network performance and management access.
  • Is this motherboard suitable for dual-processor servers? Yes. It is designed to run dual Intel Xeon Scalable processors, making it well-suited for virtualization hosts, databases, and other multi-processor workloads that require high throughput and memory bandwidth.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21281220195

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J
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Jennifer
Houston, US
★★★★★ 4
Long lasting
Color: Dogwood & Calming, Size: Medium
My dogs love these bones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
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Kelli Thornburg
Houston, US
★★★★★ 5
Puppy loves these sticks!
Color: Dogwood & Calming, Size: Medium
Dogs love these sticks! Must smell and taste like real wood because it keeps my puppy from bringing real sticks in the house from outside. She is a heavy chewer and these sticks keep her occupied. We are on our 2nd set.
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Reviewed in the United States on May 27, 2026
C
Verified Purchase
C. H.
Alexandria, US
★★★★★ 5
Great value for the price, highly recommend
Color: Dogwood & Calming, Size: Medium
Our dog loves these and chews them down to nothing. They are a great value for the money and the use your dog gets out of them. The size is just right for our doberdor.
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Reviewed in the United States on May 20, 2026
L
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LC
Waukegan, US
★★★★★ 3
Our dog loves it but it wasn’t durable enough to last
Color: Dogwood Jack, Size: Large, Color: Dogwood Jack, Size: Large
Our lab took to it as soon as we gave it to her. Perfect size for our 80 lb yellow lab. However, now that it’s in about 10 days, she’s able to break off chunks from this bone that are dime size or larger, and we have to throw it away
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Reviewed in the United States on May 1, 2026
M
Verified Purchase
Matthew Anderson
Bozeman, US
★★★★★ 5
No problems after a year and a half
Color: Dogwood & Calming, Size: Medium
Have been regularly buying these for my corgi for about a year and a half. The 2 pack lasts about a month or 2 each time. Pieces break off in small enough pieces that they safely pass through his digestive system. He gnaws each one down to about 1/4 the original size before we take it away and give him a new one. He continues to have regular bowel movements and has a healthy appetite so I can’t imagine any problems arising after so long. I have tried other alternatives and every other similar chew breaks off in larger pieces and didn’t feel comfortable letting him chew/eat them. I noticed there are a few 1 star reviews saying their dogs got sick off these but after a year and a half I have had 0 issues with this product. I guess it depends on the dog and how big of pieces they are swallowing. My dog ingests pieces about the size of a grain of rice so just pay attention and you should be fine.
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Reviewed in the United States on February 18, 2026

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