ATTO Celerity FC-642E
ATTO Celerity FC-642E
Dual-Port 64Gb Gen 7 Fibre Channel PCIe 4.0 HBA With 2 x SFP+
The ATTO Celerity FC-642E is a dual-port 64Gb Gen 7 Fibre Channel host bus adapter for SAN environments requiring two high-performance storage paths over a PCIe 4.0 x8 host interface.
It includes two 64Gb LC SFP+ optical transceivers and supports 64Gb, 32Gb and 16Gb Fibre Channel infrastructure.
- 2 x independent 64Gb Fibre Channel ports with optics included.
- PCIe 4.0 x8 low-profile host adapter.
- Up to 12.8GB/s maximum aggregate transfer rate per adapter.
- Gen 7 security, latency and virtualisation features.
Brand: ATTO Technology
Original price was: £ 3,827.67.£ 3,796.95Current price is: £ 3,796.95. | £ 4,556.34 inc VAT
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ATTO Celerity FC-642E – Product Overview
Dual-Port 64Gb Gen 7 Fibre Channel
The Celerity FC-642E provides two 64Gb Fibre Channel connections for redundant SAN paths, shared storage and high-bandwidth enterprise, AI/HPC or media workflows.
PCIe 4.0 x8 Host Interface
The adapter uses an x8 PCIe 4.0 host interface and a low-profile form factor, with two ATTO-branded 64Gb LC SFP+ optical modules supplied.
Flexible Fibre Channel Integration
Each port auto-negotiates with 32Gb and 16Gb Fibre Channel infrastructure and supports point-to-point and direct fabric/switch attach. The adapter provides 80 buffer credits per port.
Gen 7 Security And Latency Features
Advanced Data Streaming (ADS™), Fast Path architecture and Silicon Root of Trust are combined with NPIV, Virtual Fabric and Brocade trunking support. ATTO360 Storage and ConfigTool utilities provide management and diagnostics.
ATTO Celerity FC-642E – Key Features
- Two independent 64Gb Gen 7 Fibre Channel ports.
- Includes two 64Gb LC SFP+ optical transceivers.
- PCIe 4.0 x8 host interface.
- Low-profile form factor.
- Backward compatible with 32Gb and 16Gb Fibre Channel.
- Up to 12.8GB/s maximum aggregate transfer rate per adapter.
- 80 buffer credits per port.
- ATTO Advanced Data Streaming (ADS™) technology.
- Fast Path architecture for latency improvement.
- Silicon Root of Trust for firmware authentication.
- NPIV and Virtual Fabric support.
- Trunking support with Brocade switches.
- Typical operating power: 10.6W.
- Three-year standard warranty.
ATTO Celerity FC-642E – Technical Specifications
| Model | ATTO Celerity FC-642E |
| SKU | CTFC-642E-000 |
| Generation | Gen 7 Fibre Channel |
| Fibre Channel Ports | 2 |
| Fibre Channel Speed | 64Gb/s per port; auto-negotiates to 32Gb/s and 16Gb/s |
| Optical Interface | LC SFP+ |
| Included Optics | 2 x ATTO-branded 64Gb LC SFP+ transceivers |
| Maximum Transfer Rate | 12.8GB/s per adapter |
| Host Interface | PCIe 4.0 x8 |
| Form Factor | Low profile |
| Topologies | Point-to-point and direct fabric/switch attach |
| Fibre Channel Class | Class 3 |
| Buffer Credits | 80 per port |
| Features | ADS™, Fast Path, Silicon Root of Trust, NPIV, Virtual Fabric, Brocade trunking |
| OEM Mode Support | Initiator and target mode support for OEM integrations |
| Management | ATTO360 Storage; ATTO ConfigTool; ATTO vConfigTool; command-line tools |
| Supported Operating Systems | Windows, Windows Server, Linux, illumos, VMware, FreeBSD, macOS |
| Dimensions | 6.595 x 2.709 in |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -40°C to 70°C |
| Operating Humidity | 10% to 90% non-condensing |
| Typical Power | 10.6W |
| Compliance | RoHS; TAA compliant |
| Warranty | 3 years |
ATTO Celerity FC-642E Product Downloads
ATTO Technology Delivery Information
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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 manufacturer website, or contact us if unsure before ordering.


