




SYS-551A-T
Supermicro SuperWorkstation SYS-551A-T Tower Barebone System, Intel W790, LGA-4677 Xeon, 2TB DDR5, 6x PCIe x16, 10GbE, USB Type-C, 2000W PSU - SYS551AT Black (1 Year Warranty)
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Chipset
Max Memory
x16 Slots
Ethernet
Power
Xeon Socket

Pairs well with
In stock! Ships within 1-3 business days.
30 days Return
1-Year Warranty
Key Features
- 🔧 Intel W790 Chipset with LGA-4677 Socket for Xeon Processor
- 💾 Massive 2TB DDR5 SDRAM capacity across 16 memory slots
- ⚡ Supports both NVMe and SATA III storage with SSD/HDD compatibility
- 🔌 Dual network capability with Gigabit and 10 Gigabit Ethernet
- 🎮 6x PCI Express x16 slots for maximum expansion
- 💻 12 USB ports including USB Type-C (front and rear)
- 🛠️ 4x M.2 interfaces and 6 expansion bays (2x 5.25", 4x 3.5")
- ⚡ Powerful 2000W power supply
- 🏢 Professional tower form factor (21.1" x 8.7" x 22.6")

Engineering Excellence in a Sleek Tower Design
Technical Specifications
- Optimized airflow design with hexagonal mesh pattern
- Integrated front I/O panel with USB connectivity
- Professional-grade tower form factor
Applications
- High-performance engineering workstations
- Professional content creation studios
- Advanced scientific computing environments

Advanced Connectivity at Your Fingertips
Technical Specifications
- Multiple USB 3.2 ports for high-speed data transfer
- Dedicated audio input/output connections
- Integrated power and system controls
Applications
- Quick-access peripheral connections
- Audio production workstations
- Multiple device management scenarios

Enterprise-Grade Expansion Capabilities
Technical Specifications
- Multiple PCIe expansion slots
- Comprehensive rear I/O connectivity
- Enterprise-grade cooling system
Applications
- Multi-GPU computing applications
- Server-grade networking setups
- High-performance storage solutions

Enterprise Memory and Storage Innovation
Technical Specifications
- 16 DDR5 DIMM slots for up to 2TB memory
- Multiple M.2 and storage drive support
- Optimized component layout
Applications
- Memory-intensive computing applications
- Large-scale data processing
- Advanced virtualization environments
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We ship orders 24-48 hours after they have been placed. It might take up to an additional 48 hours to ship international orders.
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Refund Policy
Standard Return Policy:
We offer a hassle-free 30-day returns policy for international
orders, excluding non-refundable items. Refund or Replacement within 30
days of the delivery date. All products that fall under the Standard
Return Policy qualify for our 30-Day Hassle-Free Returns.Replacement Only Return Policy:
Replacement within 30 days of the delivery date.
Manufacturer Only Return Policy:
Covered by the manufacturer's warranty. Please refer to the terms and
conditions for the manufacturer's warranty or contact the manufacturer.
Product details
General Information
Manufacturer
Supermicro Computer, Inc
Manufacturer Part Number
SYS551AT
Brand Name
Supermicro
Product Line
SuperWorkstation
Product Model
SYS-551A-T
Product Name
SuperWorkstation SYS-551A-T
Product Type
Barebone System
Processor
Number of Processors Supported
1
Processor Socket
Socket LGA-4677
Processor Supported
Xeon
64-bit Processing
Yes
Chipset
Chipset Manufacturer
Intel
Chipset Model
W790
Memory
Maximum Memory Supported
2 TB
Memory Technology
DDR5 SDRAM
Total Number of Memory Slots
16.0
Storage
Supported Storage Drive Interfaces
Serial ATA III
PCI Express NVMe
Supported Storage Drive Types
SSD
HDD
Controllers
Controller Type
NVMe
Serial ATA/600
Network & Communication
Ethernet Technology
Gigabit Ethernet
10 Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays
6
Number of External 5.25'' Bays
2
Number of 3.5'' Bays
4
Total Number of Expansion Slots
6
Number of PCI Express x16 Slots
6
Number of M.2 Interfaces
4
Interfaces/Ports
Total Number of USB Ports
12
Number of USB 3.2 Gen 1 Ports
2
Number of USB 3.2 Gen 2 Ports
4
USB Type-C (Front)
Yes
USB Type-C (Rear)
Yes
USB Type-C Detail
1 x 3.2 Gen 1 type C, 1 x 3.2 Gen 2x2 type C
Number of Serial Ports
1
Network (RJ-45)
Yes
Number of Network (RJ-45) Ports
2
Number of VGA Ports
1
Power Description
Input Voltage
230 V AC
120 V AC
Number of Power Supplies Installed
1
Maximum Power Supply Wattage
2000 W
Frequency
60 Hz
50 Hz
Physical Characteristics
Color Family
Black
Product Color
Black
Form Factor
Tower
Height
21.1''
Width
8.7''
Depth
22.6''
Weight (Approximate)
20 lb
Included in the Box
Barebone Workstation
2000W PSU
Power Cord
Quick Start Guide
Mounting Screws