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ATTO FastFrame N312
Dual Port 25/40/50/100GbE PCIe 3.0 Network Adapter with QSFP28 Optical Interface

ATTO FastFrame N312

ATTO Technology Products
ATTO FastFrame Ethernet NICs
ATTO FastFrame N312 Dual Channel 25/40/50/100GbE x16 PCIe 3.0, Low Profile, QSFP28
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ATTO FastFrame 3 Ethernet connectivity products provide unmatched performance, industry-lowest latency and the versatility needed to support the most demanding and complex ecosystems. Support line speeds of up to 100GbE and latency as low as 1μs allow FastFrame 3 NICs to be used across the data center – from the core to the edges.

The comprehensive line of ATTO FastFrame 3 products includes single port 25/40/50/100GbE models suitable for a wide variety of high-performance applications, and provides the high-quality and high-performance experience ATTO customers are accustomed to.

ATTO FastFrame 25/40/50/100Gb Ethernet NICs Adapters

ATTO FastFrame 3 adapters-ATTO's 3rd Generation of Ethernet connectivity products-provide unmatched performance, industry-lowest latency and the versatility needed to support the most demanding and complex ecosystems. Supporting line speeds of up to 100GbE and latency as low as 1µs, FastFrame 3 NICs can be used across the data center - from the core to the edges.

As Ethernet networks are being enhanced to handle large block storage, depend on the company that customers have trusted for 30 years to move and protect their data. FastFrame 3 adapters are suitable for media & entertainment applications such as video post-production, finishing, imaging, archiving and workgroup file sharing, as well as IT applications such as data analytics, high-performance computing (HPC) clusters, hyperconverged servers, and large database analysis.

Technical Features

  • Single- and daul-port configurations
  • Supports up to 100Gb/s throughput
  • High-performance x8 or x16 PCIe 3.0 bus
  • Low profile form factor
  • Driver support for Windows and Linux operating systems
  • RDMA over Converged Ethernet (RoCE) enables industry-leading low-latency and decreases CPU utilization
  • End-to-end Quality of Service and congestion control
  • Support QSFP28 connectors (for 40/50/100GbE connectivity)
  • Support SFP28 for 25GbE connectivity
  • TCP/UDP/IP hardware-based stateless offloads
  • SR-IOV technology dedicates adapter resources for virtual machines within servers
  • Guaranteed bandwidth and low-latency services
  • Energy efficient Ethernet enables lowest power draw on the market for a 40GbE NIC
  • Hardware-based I/O virtualization
  • Hardware offloads for NVGRE and VXLAN encapsulated traffic

Optimized for Data Center Applications

With full support for TCP/IP, UDP, iSCI, plus RDMA over Converged Ethernet (RoCE), ATTO FastFrame 3 NICs deliver the bandwidth needed at the core of today's data centers.

ATTO uses the latest controller technology to accelerate data I/O and deliver industry-leading performance. With end-to-end Quality of Service algorithms built into the product, network congestion is greatly reduced, even over long distance, ensuring that the fabic runs efficiently and unimpeded by the large amount of storage data that clogs less-reliable networks. Additionally, FastFrame 3 adapters have built-in hardware offload engines, including CPU transport layer offload and NVMe over Fabric target offload to accelerate data and reduce server overhead.

FastFrame 3 NICs are able to negotiate speeds from general-purpose 25GbE all the way up to 100GbE core fabric applications - simply select the cable with integrated QSFP28 that's right for your job. No need to manage inventory and vender configurations - with ATTO FastFrame 3, one card really does work across your data center.

Performance Engineered for High-Resolution Digital Video (4K/8K)

Bandwidth reductions caused by transmission control protocol overhead make many competing NICs incapable of supporting 8K video. ATTO FastFrame 3 NICs, in contrast, utilize RoCE to free up the full pipeline, providing sufficient bandwidth for multiple streams of raw 8K and 4K video.


ATTO FastFrame 3 NICs are specifically built for applications that require low-latency, high-bandwidth data transfer, including HPC clusters, cloud environments, rackmount servers in data centers and high-resolution 4K and 8K video.


Powerful solution. Powerful design.

Based on industry-standard Ethernet technology, ATTO FastFrame NICs are available in single, dual, and quad-port configurations. FastFrame has been proven to deliver high performance I/O connectivity and lossless Ethernet support for improved iSCSI block storage access as well as optimal network traffic.

Connectivity across campusConnectivity across campus

ATTO FastFrame NICs make it possible to setup virtual networks across campus or the data center. Using optical fiber and a transceiver (SFP+), Ethernet packets can now travel up to 400m without sacrificing speed or data quality.

Flexible connectivity

ATTO FastFrame NICs provide the most flexible and scalable connectivity for today's data center environments. By leveraging data center bridging and support for software iSCSI initiators, FastFrame network adapters offer the ability to support both local and storage area networks.

Meet the demands of 6K Today.

Migrate to higher performance levels with FastFrame 40GbE and 10GbE NICs. FastFrame is used for demanding applications using streaming media like post production and video/sound editing, and other rich media and data intensive applications.


RoCEData transfers just got faster.

ATTO 40GbE NICs feature industry-leading latency management with RoCE. It has the benefit of eliminating the intermediate step of utilizing the CPU to transfer data and enabling near line-rate performance.

The smoothest and most reliable data transfers

Sometimes it is not just how fast you move the data, but how well you can manage the flow of that data to reduce network collisions. With distinctive latency-management features such as ATTO Advanced Data Streaming (ADS), FastFrame adapters deliver better overall performance across all of your applications while reducing your CPU utilization significantly.

Advanced Data Streaming (ADS)

Do more. Save more.

ATTO FastFrame NICs are the lowest energy consuming cards on the market and provide a higher ROI by transferring more data per dollar spent on power than the competition. One 40GbE NIC can do the same amount of work as four 10GbE cards with less power consumption and overhead.

Low Power Consumption


High compatibility and broad interoperability

ATTO FastFrame NICs work wherever you need them: in workstations, servers, and data center racked servers. They are supported by a full suite of software drivers for macOS, Windows and multiple Linux distributions.

macOS, Windows and Linux


  FFRM-N311 FFRM-N312 FFRM-N322 FFRM-N351 FFRM-N352
ATTO FastFrame FFRM-N311 FFRM-N312 FFRM-N322 FFRM-N351 FFRM-N352
Ports Single Dual Dual Single Dual
Bus Characteristics x16 PCIe 3.0 x16 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0 x8 PCIe 3.0
Connector QSFP28 QSFP28 QSFP28 QSFP28 QSFP28
Form Factor Low Profile Low Profile Low Profile Low Profile Low Profile
Max Transfer Rate 100 GB/s 100 GB/s 25Gb/s 50 GB/s 50 GB/s
Key Features
  • Remote Direct Memory Access (RDMA) Support via RDMA over Converged Ethernet (RoCE)
  • End-to-end Quality of Service and congestion control
  • Erasure Coding offload
  • Advanced storage capabilities including NVMe over Fabric offloads
  • T110-DIF Signature Handover
  • Hardware offloads for NVGRE and VXLAN encapsulated traffic
  • Hardware-based I/O virtualization
  • Tx/TCP segementation offload (Large Send Offload-LSO)
  • Low latency interrupts
  • PCI-SIG SR-IOV support
  • Interrupt levels INTA, MSI, MSI-X
  • Direct Cache Access (DCA) eliminates cache misses and reduces CPU load
  • Plug and play specification support
  • Advanced packet filtering
User Benefits
  • Multiple offloads reduce CPU utilizaiton and increase throughput
  • Lower power draw reduces power and cooling costs
  • Low total cost of ownship (TCO) with high bandwidth over a single link
  • Single adapter solution ideal for numerous applications across IT and M&E markets
Management Tools

Easy system monitoring with Simple Network Management Protocol (SNMP) and Remote Network Monitoring (RMON) Statisitic Counters

Operating System Support
  • Windows
  • Windows Server
  • Linux
External Connectivity
  • QSFP28
  • SFP28 via adapter
  • 2 LED indicators per port
Network Standards
  • IEEE (25 Gigabit Ethernet)
  • IEEE (40 Gigabit Ethernet)
  • IEEE (50 Gigabit Ethernet)
  • IEEE 802.3z (100 Gigabit Ethernet)
  • IEEE 802.3az (Energy Efficient Ethernet)
  • IEEE 802.1p (Priority Encoding)
  • IEEE 802.3ad (Link aggregation)
  • IEEE 802.1qbb (Priority flow control)
Hardware Operating Temperature
  • Temperature: 0°-55° C
  • Airflow required: 100 lf/m
  • Humidity: 10%-90% non-condensing
Storage Operating Temperature
  • Temperature: -40°-70° C (-40°-157° F)
  • Humidity: 5%-90% non-condensing
Agency Approvals
  • FCC Part 15, Subpart B, Class A
  • EN55022: 2010, Class A
  • EN55024: 2010
  • IEC 60950-1
  • IEC 60825-1
  • IEC 60825-2
  • RoHS
Warranty Three-year standard product warranty


The ATTO Difference - Advanced Data Streaming

Latency management technology is built into ATTO host bus adapters (HBAs) and RAID hardware. Advanced Data Streaming manages latency by providing controlled acceleration for smooth data streaming to maintain the highest consistent performance. ADS ensures best-in-industry data transfers for high-bandwidth applications.


Download the ATTO FastFrame 25/40/50/100GbE Ethernet NICs Datasheet (.PDF)

Pricing Notes:

ATTO Technology Products
ATTO FastFrame Ethernet NICs
ATTO FastFrame N312 Dual Channel 25/40/50/100GbE x16 PCIe 3.0, Low Profile, QSFP28
Get a Quote!