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The 400G QSFP-DD XDR4 (DR4+) module adopts a 1310 nm EML transmitter and PAM4 modulation
the transceiver uses two LC duplex connectors
it supports reliable throughput with ultra-low latency and zero power overhead
while a flat-top variant is available for ConnectX-8 system links
It delivers aggregated 200Gb/s performance with extreme signal integrity and zero power consumption at the cable level
Arista 1m (3ft) 200G QSFP56 to 2X100G DSFP Passive Direct Attach Copper Breakout Cable 200G HDR The 400G QSFP-DD XDR4 (DR4+)Description This Arista 1m breakout cable facilitates high speed 200G to dual 100G connectivity using passive copper twinax technology between QSFP56 and DSFP interfaces. Designed for short reach networking, it ensures consistent signal integrity and ultra low latency for high bandwidth Ethernet applications. This direct attach copper assembly provides an energy efficient alternative for high density Arista based equipment patching.
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