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Intel® Ethernet Server Bypass Adapter X520/X540 Family

Intel® Ethernet Server Bypass Adapter X520/X540 Family

Intel® Ethernet Server Bypass Adapter X520 family is known for high performance, low latency, reliability, and flexibility. The addition of the Intel® Ethernet Server Bypass Adapter X520-SR2 and the Intel® Ethernet Server Bypass Adapter X540-T2 delivers all of the 10GbE performance in addition to business continuity in the event of a network failure.

Intel® Ethernet Server Bypass Adapter X520/X540 Family

The bypass capability removes a single point of failure so that essential business communication can continue while a system issue is diagnosed and resolved. In the event of a power, hardware, or software failure, bypass will automatically activate, allowing network traffic to continue.

Product Features and Specifications

  Intel® Ethernet Server Bypass Adapter X520-LR2 Intel® Etherent Server Bypass Adapter X520-SR2
Intel® Ethernet Server Bypass Adapter X540-T2
Product code Full-height 10GBASE-LR X520LR2BP (single pack)
Low-profile 10GBASE-LR X520LR2BPL (single pack)
Full-height 10GBASE-SR X520SR2BP (single pack) X520SR2BPBLK (bulk 5 pack)
Low-profile 10GBASE-SR X520SR2BPL (single pack) X520SR2BPLBLK (bulk 5 pack)
Low-profile 10GBASE-T X540T2BP (single pack) X540T2BPBLK (bulk 5 pack)
Ethernet controller Intel® 82599 Controller Intel® 82559 Fast Ethernet Controller Intel® Ethernet Controller X540
Connector and cable  Two LC 10GBASE-LR (Optics not removable)

Two LC 10GBASE-SR (Intel Ethernet Server Bypass Adapter X520) (Optics not removable) Two RJ-45 Copper (Intel Ethernet Bypass Server Adapter X540)
Cable type Singlemode fiber (SMF) up to 5 km in Bypass Mode and up to 10 km in Normal Mode

Multimode fiber (MMF) up to 150 meters in Bypass Mode and up to 300 meters in Normal Mode (Intel Ethernet Server Bypass Adapter X520)
Cat-6A or better cabling—up to 50 meters in Bypass Mode and up to 100 meters in Normal Mode (Intel Ethernet Bypass Server Adapter X540)
Slot type, maximum bus speed, and slot width PCI Express* 2.0 (5.0 GT/s)

PCI Express 2.0 (5.0 GT/s) (Intel Ethernet Server Bypass Adapter X520) PCI Express 2.1 (5.0 GT/s) (Intel Ethernet Bypass Server Adapter X540)
Ports Dual port Dual port Dual port
Supported slot heights Full height and low profile 

Full height and low profile Full height and low profile
Intelligent offloads Yes Yes Yes
Intel® Virtualization Technology (Intel® VT) for Connectivity (Intel® VT-c)
Virtual Machine Device Queues (VMDQ), PCI-SIG* SR-IOV capable

Virtual Machine Device Queues (VMDQ), PCI-SIG* SR-IOV capable
Virtual Machine Device Queues (VMDQ), PCI-SIG SR-IOV capable
Storage over Ethernet Internet Small Computer System Interface (iSCSI), Network File System (NFS) iSCSI, NFS iSCSI, NFS
iWARP/RDMA  N/A N/A N/A

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