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Re:JEDEC Publishes GDDR7 Graphics Memory Standard by silvestrov on Wednesday March 06, 2024 @03:44AM (#39613728)
Some numbers here: https://wavesplitter.com/technical-column/latency-and-power-...

> Cable latency is about 5ns/m, so 2.6 µs is equivalent to latency of a 520m cable. This latency might become a big issue for the HPC-based applications.

Re:JEDEC Publishes GDDR7 Graphics Memory Standard by bgnn on Wednesday March 06, 2024 @12:48PM (#39618615)
10GBASE-T is rated up to 300m cable. I don't think these numbers include 300m cable latency. It's just the PHY latency itself.