ATTO Celerity FC-321P

Single-Port 32Gb Gen 7 Fibre Channel PCIe 4.0 Host Bus Adapter With LC SFP+ Transceiver

The ATTO Celerity FC-321P is a high-performance single-port Gen 7 Fibre Channel host bus adapter designed for demanding enterprise storage environments.

It delivers 32Gb/s data transfer rates via a PCIe 4.0 x8 interface, ensuring optimal throughput and low latency for mission-critical applications.

This adapter includes a 32Gb/s LC SFP+ transceiver and supports both high and low-profile installations for versatile deployment.

  • Single-channel 32Gb Gen 7 Fibre Channel HBA.
  • Up to 3200 MB/s throughput per port in full-duplex mode.
  • PCIe 4.0 x8 host interface, backward compatible with PCIe 3.0.
  • Includes 32Gb/s LC SFP+ optical transceiver (MMF).

Original price was: £ 2,095.53.Current price is: £ 2,026.95.

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Category: Fibre Channel PCIe Cards
SKU: CTFC-321P-000
Brand: ATTO Technology

ATTO Celerity FC-321P – Product Overview

The ATTO Celerity FC-321P is engineered to provide robust, high-speed connectivity for modern storage area networks, leveraging Gen 7 Fibre Channel technology and PCIe 4.0 architecture.

With a single 32Gb/s Fibre Channel port, this host bus adapter is ideal for data centers, OEMs, and system integrators seeking reliable, scalable, and low-latency storage solutions.

Its advanced design ensures seamless integration into enterprise environments where performance and uptime are paramount.


High-Performance Storage Connectivity

The FC-321P delivers up to 3200 MB/s throughput per port in full-duplex mode, making it suitable for bandwidth-intensive applications such as virtualization, high-performance computing, and large-scale data backup.

This performance is enabled by the combination of Gen 7 Fibre Channel and PCIe 4.0 x8 host interface, ensuring maximum data transfer rates and minimal bottlenecks.


Advanced Technology Integration

By leveraging both PCIe 4.0 and Gen 7 Fibre Channel, the FC-321P provides a future-proof solution that is backward compatible with 16Gb/s and 8Gb/s Fibre Channel devices.

This ensures investment protection and flexibility for evolving storage infrastructures.


Comprehensive Platform Support

The adapter supports a wide range of operating systems, including Windows, Windows Server, Linux, illumos, VMware, FreeBSD, and macOS, making it highly versatile for heterogeneous environments.


Enterprise-Grade Reliability and Security

Features such as Silicon Root of Trust for firmware authentication and Fast Path architecture for latency reduction enhance both the security and performance of the adapter.

Support for NPIV (N_Port ID Virtualization) and Virtual Fabric enables advanced SAN management and virtualization capabilities.


Flexible Deployment Options

The FC-321P includes both high- and low-profile brackets, allowing installation in a variety of server and workstation chassis.

Its single LC SFP+ port design simplifies cabling while maintaining high throughput and reliability.


Ideal Use Cases

This adapter is well-suited for original equipment manufacturers, system integrators, and IT professionals building state-of-the-art Fibre Channel SAN infrastructures.

It is particularly effective in environments requiring consistent high-speed data access, such as media production, scientific computing, and enterprise backup.


Warranty and Support

The ATTO Celerity FC-321P is backed by a 3-year limited warranty, reflecting ATTO Technology’s commitment to quality and long-term support for mission-critical deployments.

ATTO Celerity FC-321P – Key Features

  • Single-port 32Gb Gen 7 Fibre Channel host bus adapter for high-speed SAN connectivity.
  • Delivers up to 3200 MB/s throughput per port in full-duplex mode.
  • PCIe 4.0 x8 host interface, backward compatible with PCIe 3.0 systems.
  • Includes one 32Gb/s LC SFP+ optical transceiver (multimode fiber).
  • Backward compatible with 16Gb/s and 8Gb/s Fibre Channel devices.
  • Supports NPIV and Virtual Fabric for advanced SAN management.
  • Trunking (Port Aggregation) support with Brocade switches.
  • Silicon Root of Trust for secure firmware authentication.
  • Fast Path architecture for reduced latency and improved performance.
  • Compatible with Windows, Windows Server, Linux, illumos, VMware, FreeBSD, and macOS.
  • Includes both high- and low-profile brackets for flexible installation.
  • Three-year limited warranty for peace of mind.

ATTO Celerity FC-321P – Technical Specifications

Product ModelFC-321P
SKUCTFC-321P-000
Host Bus InterfacePCI Express 4.0 x8 (backward compatible with PCIe 3.0)
Fibre Channel StandardGen 7
Number of Ports1
Port TypeLC SFP+ (optical, MMF)
Included Transceiver1 x 32Gb/s LC SFP+ (multimode fiber)
Data Transfer Rate32 Gbit/s per port
Maximum Throughput3200 MB/s per port (full-duplex)
Backward Compatibility16Gb/s and 8Gb/s Fibre Channel
Form FactorPlug-in card; includes high- and low-profile brackets
Supported Operating SystemsWindows, Windows Server, Linux, illumos, VMware, FreeBSD, macOS
Expansion Slot TypeSFP
Advanced FeaturesNPIV, Virtual Fabric, Trunking (Port Aggregation), Silicon Root of Trust, Fast Path architecture
Warranty3-year limited
Country of OriginUnited States
Package ContentsFC-321P adapter, 32Gb/s LC SFP+ transceiver, high- and low-profile brackets

ATTO Celerity FC-321P – 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.