Express shipping to
Contact Us
Track Order
Search
Popular Search
Inquiry
Shopping Cart
Login

Coupon
Quote now,
save up to 8%.

Inquiry
Contact

Feedback
Your Feedback
How would you Rate us?
Ease of use:
Buying feedback:
Product details:
main product photo

SYS-F521E3-RTB, Supermicro FatTwin Server, 2U/4 Nodes/No CPU & RAM

  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    23 Years Expertise
    24 Years Expertise
    Proven, deployment-focused
    • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    Talk to an Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

      Track Your Order
    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    SYS-F521E3-RTB, Supermicro FatTwin Server, 2U/4 Nodes/No CPU & RAM

    SYS-F521E3-RTB, Supermicro FatTwin Server, 2U/4 Nodes/No CPU & RAM

    100% Genuine Ready to Ship
    Overview
    Specification
    Reviews
    Q&A
    Warranty
    Overview

    Supermicro SYS-F521E3-RTB Overview

    The Supermicro SYS-F521E3-RTB FatTwin is a groundbreaking server designed to offer high-end performance and energy efficiency in demanding computing environments. This innovative module features extensive customization capabilities, making it ideal for versatile deployment in data centers and cloud service providers.

    Quick Spec

    Brand Supermicro
    Model SYS-F521E3-RTB
    Product Series FatTwin
    Form Factor 2U Twin Server
    Processor Supports 3rd Gen Intel Xeon Scalable Processors

    Product Features

    • High-density 4 computing nodes in 2U form factor
    • Advanced thermal architecture for efficient cooling
    • Flexible networking options with multiple I/O modules
    • Support for up to 12 DIMMs per node for extensive memory capacity
    • Redundant power supplies for improved reliability

    Product Applications

    • Data Center Deployments: Provides high-density computing and flexible configuration options for large-scale deployments.
    • Cloud Services: Optimized for virtualization and cloud environments, ensuring efficient resource utilization.
    • High-Performance Computing: Supports complex computational tasks with powerful processing and memory capabilities.

    Supported Options

    Network Interface Card AOC-LPIT-IGXO
    Storage Controller AOC-S3008-H8IR
    Power Supply PWS-2K02A-1R

    Compare to Similar Items

    Model Differences
    SYS-F521E2-RTP Previous generation, supports 2nd Gen Intel Xeon Scalable Processors
    SYS-F521F3-RTB Higher memory capacity with support for up to 24 DIMMs per node
    SYS-F421E3-RTP Smaller form factor with 4 nodes in 1U chassis

    Get more information

    Check Supermicro SYS-F521E3-RTB price and SYS-F521E3-RTB datasheet, buy Supermicro SYS-F521E3-RTB FatTwin with best price and fast shipping. Free Live Chat are supported. Contact us through Live Chat or [email protected] for further information about the product and its price.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Supermicro SYS-F521E3-RTB Specification

    SYS-F521E3-RTB Specifications

    Brand Supermicro
    Model Number SYS-F521E3-RTB
    Product Line FatTwin
    Form Factor 2U Twin
    Processor Up to 4x Intel Xeon Scalable processors
    Memory Capacity Up to 6TB DDR4
    Memory Slots 24 DIMM slots per node
    Storage Supports up to 24x 2.5" hot-swap drives
    Drive Bays 24 SAS/SATA drive bays
    Power Supply 2000W redundant power supplies
    Networking Quad-port 10GBase-T onboard
    Expansion Slots 6 PCI-E 3.0 x8 slots per node
    USB Ports 3 USB 3.0 ports per node
    Graphics ASPEED AST2500 BMC
    Management Software IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
    Operating Temperature 10C to 35C (50F to 95F)
    Physical Dimensions 3.5" x 17.2" x 29" (H x W x D)
    RAID Support RAID 0, 1, 5, 10
    CE Certification Yes
    RoHS Compliance Yes

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Get a Quote
    Live Chat
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What common troubleshooting steps are there for the SYS-F521E3-RTB?

    Check connections, ensure firmware is up to date, and reference the user manual for error codes.

    What accessories are available for the FatTwin SYS-F521E3-RTB?

    Accessories include additional power supplies, rail kits, and network interface cards.

    How does the SYS-F521E3-RTB compare to similar products?

    The SYS-F521E3-RTB FatTwin offers higher density and better energy efficiency compared to many other servers.

    Why should I buy from router-switch.com?

    As an authorized distributor for 20+ top brands, router-switch.com offers:
    - Genuine products with full warranties.
    - Competitive pricing and bulk order discounts.
    - Professional pre-sales and after-sales support.

    Learn More
    Warranty

    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.

    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Supermicro-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Supermicro Technical Support
      Our Supermicro-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      Trusted & Secure Payments ×
      100% Trusted, Secure Purchase at Router-switch.com
      • 120+ Local Currencies120+ Local Currencies
      • Multiple Payment OptionsMultiple Payment Options
      • 100% Secure Payments100% Secure Payments

      Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

      • tt
      • paypal
      • visa
      • mastercard
      • echeck
      • webmoney
      • discover
      • american-express
      • jcb
      • bank-transfer
      • western-union
      • qiwi
      • apple Pay
      • google pay
      Guaranteed Safe Checkout
      • ssl-encryption
      • pci-dss
      • mcafee-secure
      • verisign-secured
      View Payment Options
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch
    Log in
    Register