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Supermicro SYS-551A-T 5U Workstation Barebone, Single Socket E (LGA4677), support Intel® Xeon® W-3400 processors, 1x 1GbBaseT, 1x 10GbBaseT.
- Socket E (LGA4677) support Intel® Xeon® W-3400 processors
- Intel® W790
- 16 DIMMs
- 1x 1GbBaseT, 1x 10GbBaseT
- 2 2.5" SATA3 drive bays; 4 3.5" SATA3 drive bays; ; 4 M.2 NVMe
- 1 120 mm Fan(s) ; 2 120 mm Fan(s)
- 2000W Power Supplies Platinum Level (%+)
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- 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: 1-408-503-8000
- Support Website
- View other products from Supermicro
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The Supermicro SYS-551A-T is a 5U workstation barebone for system builders creating high-performance professional workstations, with support for Intel Xeon W-3400 processors, 16 DIMMs, four M.2 NVMe slots, and 10GbE connectivity; it provides the platform for a custom build rather than a complete ready-to-use PC.
Recommended For
- Product-design and engineering teams running CAD, 3D modeling, rendering, or engineering simulation can configure it around Xeon W processing, large ECC memory capacity, and multiple GPUs.
- Workstation builders whose workloads benefit from substantial memory capacity—such as large engineering models or simulation datasets—can use its 16 DIMM slots and support for up to 2TB of ECC DDR5 memory.
- GPU compute or rendering teams that need room for several add-in cards can build around six PCIe 5.0 x16 slots and support for up to four double-width GPUs, subject to the chosen configuration.
- Organizations that want a desk-side workstation they may later repurpose as a pedestal server can make use of its expansion capacity and server-oriented features, including IPMI management and ECC memory.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Building a single-socket workstation or server based on Intel Xeon W-3400 processors |



