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Chelsio T520-LL-CR Low Latency Dual Port SFP+ 10Gbps
Chelsio T520-LL-CR Low Latency Dual Port SFP+ 10Gbps
3 Years - Chelsio
6.6" (L) x 2.71" (H)
PCIe 3.0 x8
2x 10GBase-SR / SFP+
10 Gbps
Low Profile:
Power Consumption:
16 watts
OS Support:
Windows, Linux
MFG Part Number:
High Performance RDMA
  • Low latency and line rate bandwidth
  • Enhanced RDMA primitives
  • iWARP support on Linux OFED
  • Support for Atomics and Immediate Data
  • MicrosoV Network Direct support
  • Supported Transport for SMBMDirect in Microsoft Windows Server 2012

    UDP/IP & Multicast Offload:
  • UDP Sockets API offload
  • Low user to user latency
  • 128 Virtual and 8 Physical functions
  • 144 port virtual switch
  • EVB, VEPA, Flex10, VNTag
  • 512 virtual MAC addresses
  • Offload 802.1 Qbg/h

    TCP/IP Full Offload :
  • Full TCP implementation including IPv4 & IPv6
  • Extensive RFC compliance, fully features stack
  • Full TCP Proxy between any set of connections
  • VLAN support up to 4096 VLAN IDs
  • Load balancing and FailMover capabilities

  • Full iSCSI initiator and target mode stack
  • CRC32 offload generation verification
  • iSCSI proxy switching based on SCSI CDB
  • Full HBA offload
  • T10 DIF/DIX support

  • Full HBA FCoE (Initiator or Target)
  • Open FCoE Offload (Initiator)
  • CRC32 offload generation & verification
  • Ingress & Egress ACL (Access Control List)
  • T10 DIF/DIX support

    Stateless Offloads:
  • TCP/UDP checksum offload for IPv4 & IPv6
  • TSO, LSO, and GSO for IPv4 & IPv6
  • VLAN filtering, insertion, & extraction
  • Line rate packet filtering and amack protection
  • Fine granularity time stamping (down to 2ns)
  • Ethernet Routing (packet header rewrite)
  • Packet Tracing and Packet Sniffing

  • IEEE 802.3ae (10 GbE)
  • IEEE 802.3az (Energy Efficient Ethernet)
  • IEEE 802.3z (1GbE)
  • IEEE 802.1p priority
  • IEEE 8021Q VLAN tagging
  • IEEE 802.1Qbg EVB/VEPA
  • IEEE 802.Qhn VNTag
  • IEEE 9M2/1Qg/h Congestion Notification
  • IEEE 802.3x flow control
  • IEEE 802.3ad loadMbalancing and failover
  • Ether II and 802.e encapsulated frames
  • Multiple MAC addresses per interface
  • Jumbo Frames up to 9.6 Kbytes
  • Price: $590.00
    Other Matching Components In The SFP+ Family
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    2x SFP+, Supports Intel Virtualization for Connectivity
    10Gbps SFP+ Dual Port, PCI-Express 2.0 x8 Interface, Low Profile Capable
    PCIe 2.0 x8. Support VMDq Virtualization