ATTO Technology Celerity FC-81EN Single-Channel 8 Gb/s Fiber Channel to PCIe 2.0 Host Bus Adapter
Best high-speed adapter for enterprise storage and data center connectivity.
The ATTO Technology Celerity FC-81EN Host Bus Adapter provides robust 8 Gb/s Fiber Channel connectivity for demanding environments. It seamlessly integrates into PCIe 2.0 x8 slots, delivering up to 800 MB/s throughput for high-performance computing and enterprise data centers. This adapter ensures broad compatibility with existing infrastructure, supporting backward connections to 2 Gb/s and 4 Gb/s Fiber Channel products. It includes an 8 Gb/s LC SFP+ transceiver and offers broad driver support for major operating systems, making it a versatile solution for storage networking needs.
$745.00
Owner Satisfaction
4.7
/ 5
Category Rank
14
/ 961
#14 in Network Cards & Adapters
Price vs Category Average
-26%
Below average
Host Connection
2.08
/ PCI Express x
Who it's for
- IT professionals managing high-demand storage area networks
- Creative studios requiring stable cross-platform media workflows
- Budget-conscious teams maintaining legacy fiber infrastructure
Who should skip it
- Modern enterprises requiring maximum throughput for high-speed SANs
- System architects concerned about PCIe bandwidth bottlenecks
- Mission-critical users needing redundant pathing and higher bandwidth
Performance breakdown
Throughput Efficiency
Delivers consistent 800 MB/s speeds for demanding enterprise data workloads.
Legacy Compatibility
Seamlessly integrates with older 2 Gb/s and 4 Gb/s fiber infrastructures.
Installation Versatility
Includes both bracket profiles for easy fitting into diverse server chassis.
Driver Reliability
Broad operating system support ensures stable performance across major enterprise platforms.
Thermal Management
Passive cooling design maintains operational stability without adding mechanical noise.
Network Flexibility
NPIV and Virtual Fabric support provide essential agility for modern virtualization.
Key Specs
Host Connection
PCI Express 2.0 x8
Data Transfer Rate
Up to 800 MB/s (Full-Duplex)
Networking Ports
1 x 8Gb LC (SFP+)
Supported Speeds
8 Gb/s, 4 Gb/s, 2 Gb/s
Operating Temperature
32 to 104°F (0 to 40°C)
Dimensions
6.6 x 2.7 inches (16.8 x 6.9 cm)
Warranty
Limited 3-Year Warranty
Compliance
RoHS Compliant
Features
- High-speed 8 Gb/s Fiber Channel performance
- Up to 800 MB/s full-duplex throughput
- Includes 8 Gb/s LC SFP+ transceiver
- Supports initiator and target modes (OEM)
- Broad OS driver support
- Backward compatible with 2/4 Gb/s
- NPIV and Virtual Fabric support
- Includes high and low-profile brackets
What customers say
Customers overwhelmingly praise the ATTO FC-81EN HBA for its rock-solid reliability and exceptional driver stability, making it an 'install and forget' component. Professionals in demanding media and SAN environments value its consistent, low-latency 8 Gb/s performance without compatibility issues. Users appreciate its robust support across specialized operating systems like macOS and Windows Server, cementing its role in high-availability setups. While the initial investment is premium, users find the superior dependability and reduced downtime justify the cost. The core sentiment centers on enterprise-grade consistency and performance assurance, making this adapter a highly respected workhorse in critical storage infrastructure.
Know before you buy
Yes, the Celerity FC-81EN is backward compatible with 2 Gb/s and 4 Gb/s Fiber Channel products, allowing it to integrate into existing storage infrastructures.
Yes, the package includes both full-height and low-profile brackets, making it compatible with a wide range of server form factors.
The adapter offers broad driver support for major operating systems, specifically including Linux and macOS environments.
No, the FC-81EN utilizes passive cooling, which simplifies installation and reduces the number of moving parts in your server.
This adapter provides up to 800 MB/s of full-duplex throughput, ensuring high-performance data transfer for demanding enterprise and computing tasks.
Yes, the card ships with an 8 Gb/s LC SFP+ transceiver, so you have everything needed to establish a connection right out of the box.
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