ExaNIC X10-HPT

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

The ExaBlaze 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.

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ExaBlaze ExaNIC X10-HPT
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Timestamp resolution

ExaBlaze ExaNIC X10-HPT

250ps (0.25ns)

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Timestamp availability

ExaBlaze ExaNIC X10-HPT

All received frames, most recent transmitted frame

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Time synchronization

ExaBlaze ExaNIC X10-HPT

Host, PTP, optional PPS

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PTP stack

ExaBlaze ExaNIC X10-HPT

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

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PPS input/output

ExaBlaze ExaNIC X10-HPT

3.3V LVTTL, software-selectable 50 ohm termination

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Form factor

ExaBlaze ExaNIC X10-HPT

Half-height PCI Express card

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Ports

ExaBlaze ExaNIC X10-HPT

2 SFP+, PPS in/out

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Data rate

ExaBlaze ExaNIC X10-HPT

10 Gigabit Ethernet, 1 Gigabit Ethernet, 100M Ethernet

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Supported media

ExaBlaze ExaNIC X10-HPT

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

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Host interface

ExaBlaze ExaNIC X10-HPT

PCIe x8 Gen 3.0 @ 8.0 GT/s per lane

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Operating system

ExaBlaze ExaNIC X10-HPT

Linux (any distribution)

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Typical latency, raw frames

ExaBlaze ExaNIC X10-HPT

  • 60 bytes: 780ns
  • 300 bytes: 1μs
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Typical latency, raw frames with pre-loaded TX buffer

ExaBlaze ExaNIC X10-HPT

  • 60 bytes: 710ns
  • 300 bytes: 930ns
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Typical latency, UDP

ExaBlaze ExaNIC X10-HPT

  • 14 bytes: 880ns
  • 300 bytes: 1.2μs
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Typical latency, TCP

ExaBlaze ExaNIC X10-HPT

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

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