ATTO Celerity FC-321E

Single-Port 32Gb Gen 6 Fibre Channel PCIe 3.0 Host Bus Adapter With LC SFP+ Transceiver

The ATTO Celerity FC-321E is a high-performance single-port Fibre Channel host bus adapter designed for demanding SAN environments.

It delivers 32Gb/s connectivity and up to 3200 MB/s throughput per port, making it ideal for data-intensive applications and enterprise storage networks.

This adapter features PCIe 3.0 x8 interface, advanced latency management, and broad OS compatibility for seamless integration.

  • Single-port 32Gb Gen 6 Fibre Channel HBA.
  • 3200 MB/s full-duplex throughput per port.
  • Includes one 32Gb/s LC SFP+ optical transceiver.
  • Supports Windows, Linux, VMware, macOS, and more.

Original price was: £ 1,522.98.Current price is: £ 1,472.95.

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Category: Fibre Channel HBAs, Fibre Channel PCIe Cards
SKU: CTFC-321E-000
Brand: ATTO Technology

ATTO Celerity FC-321E – Product Overview

The ATTO Celerity FC-321E is engineered to provide robust, high-speed connectivity for storage area networks (SANs) in enterprise and data center environments.

This single-port Gen 6 Fibre Channel adapter leverages a PCIe 3.0 x8 interface and delivers up to 6,400 MB/s throughput per port in full-duplex mode, making it ideal for applications requiring high bandwidth and low latency.

With support for advanced features such as NPIV, Virtual Fabric, and port trunking, the FC-321E is well-suited for virtualization, rich media workflows, and mission-critical transactional workloads.


High-Performance Fibre Channel Connectivity

The FC-321E provides reliable 32Gb/s Fibre Channel connectivity, ensuring rapid data transfers and minimal bottlenecks in SAN environments.

Its full-duplex architecture supports simultaneous bi-directional data flow, maximizing throughput for demanding storage applications.


PCIe 3.0 x8 Interface

Utilizing a PCI Express 3.0 x8 host interface, the adapter ensures compatibility with modern server architectures and delivers the bandwidth necessary for next-generation storage solutions.


Advanced Data Streaming and Latency Management

ATTO’s Advanced Data Streaming (ADS™) technology optimizes data acceleration and latency management, enabling efficient handling of large data sets and real-time workloads.


Comprehensive Operating System Support

The FC-321E supports a broad range of operating systems, including Windows, Linux, macOS, VMware, FreeBSD, and illumos, making it a versatile choice for heterogeneous data center environments.


Enhanced Virtualization Capabilities

Features such as N_Port ID Virtualization (NPIV) and Virtual Fabric allow for flexible resource allocation and improved scalability in virtualized infrastructures.


Backward Compatibility and Investment Protection

The adapter is backward compatible with 16Gb/s and 8Gb/s Fibre Channel devices, ensuring seamless integration with existing SAN infrastructure and protecting prior investments.


Robust Management and Security

Management is streamlined through ATTO ConfigTool and vConfigTool utilities, while security is enhanced with a silicon root of trust for firmware authentication.


Flexible Deployment Options

The FC-321E is supplied with both high- and low-profile brackets, supporting installation in a variety of server form factors.

ATTO Celerity FC-321E – Key Features

  • Single-port 32Gb Gen 6 Fibre Channel host bus adapter.
  • PCIe 3.0 x8 host interface for high bandwidth and compatibility.
  • Up to 3200 MB/s throughput per port in full-duplex mode.
  • Includes one 32Gb/s LC SFP+ optical transceiver (multimode fiber).
  • Supports NPIV (N_Port ID Virtualization) and Virtual Fabric for advanced SAN topologies.
  • Backward compatible with 16Gb/s and 8Gb/s Fibre Channel devices.
  • Advanced Data Streaming (ADS™) and Fast Path architecture for reduced latency.
  • Silicon root of trust for secure firmware authentication.
  • Comprehensive OS support: Windows, Linux, VMware, macOS, FreeBSD, illumos.
  • Management via ATTO ConfigTool and vConfigTool utilities.
  • Includes both high- and low-profile brackets for flexible installation.
  • Supports trunking (port aggregation) with Brocade switches.
  • 3-year standard product warranty.

ATTO Celerity FC-321E – Technical Specifications

Ports1 x 32Gb/s Fibre Channel
Host InterfacePCI Express 3.0 x8
Maximum Throughput3200 MB/s per port (full-duplex)
Transceiver Included1 x 32Gb/s LC SFP+ (multimode fiber)
Form FactorLow Profile (includes high- and low-profile brackets)
Backward Compatibility16Gb/s and 8Gb/s Fibre Channel
Supported Operating SystemsWindows, Windows Server, Linux, VMware, macOS, FreeBSD, illumos
Advanced FeaturesNPIV, Virtual Fabric, Trunking (Port Aggregation), Load Balancing, Failover
Management ToolsATTO ConfigTool, vConfigTool
SecuritySilicon Root of Trust for firmware authentication
DimensionsLength 6.595" (167.6 mm), Height 2.709" (68.8 mm)
Warranty3 years standard
ComplianceRoHS (EU and China)
Typical ApplicationsData centers, virtualization, backup, media production, server clustering
Included AccessoriesATTO Celerity adapter, LC SFP+ optical module, full height bracket, getting started guide
UPC603175008743

ATTO Celerity FC-321E – Product Downloads

ATTO Technology Delivery Information

Generally, next working day delivery services (UK Mainland) are available on standard ATTO Technology Delivery orders placed before 2 pm (subject to stock availability).

Non-timed deliveries should be delivered between 9 am and 6 pm.

Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.

Orders placed on Bank Holidays will be processed the next working day.

If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.

Please note: these product details are for guide purposes only, and may contain errors.

We always recommend double-checking the product specs and features on the the manufacturer website,  or contact us if unsure before ordering.