Description

DUAL-PORT 10GbE NIC, WITH HIGH PRECISION TIMESTAMPING TO 250 PICOSECOND RESOLUTION

The ExaNIC X10-HPT is the world’s first network interface card capable of timestamping Ethernet packets to sub-nanosecond resolution. Packets can be captured at line rate, with the arrival time of the first bit of each packet recorded with a granularity of 250 picoseconds.

For clients at the forefront of the latency race, this technology provides invaluable new insights. For example, the precise latency of a network device can be determined for each input packet – even for very low latency devices – rather than relying on statistical averages or vendor claims.

Specifications

Model Number

ExaNIC X10-HPT

Timestamp resolution

250ps (0.25ns)

Timestamp availability

All received frames, most recent transmitted frame

Time synchronization

Host, PTP, optional PPS

PTP stack

Standard open source stacks supported (LinuxPTP or hardware timestamping branch of ptpd recommended)

PPS input/output

3.3V LVTTL, software-selectable 50 ohm termination

Form factor

Half-height PCI Express card

Ports

2 SFP+, PPS in/out

Data rate

10 Gigabit Ethernet, 1 Gigabit Ethernet, 100M Ethernet

Supported media

Fiber (10GBASE-SR, 10GBASE-LR, 1000BASE-SX, 1000BASE-LX), SFP+ Direct Attach

Host interface

PCIe x8 Gen 3.0 @ 8.0 GT/s per lane

Operating system

Linux (any distribution)

Typical latency, raw frames

  • 60 bytes: 780ns
  • 300 bytes: 1μs

Typical latency, raw frames with pre-loaded TX buffer

  • 60 bytes: 710ns
  • 300 bytes: 930ns

Typical latency, UDP

  • 14 bytes: 880ns
  • 300 bytes: 1.2μs

Typical latency, TCP

  • 14 bytes: 930ns
  • 300 bytes: 1.2μs

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