PCIe 4.0 should see throughput increased to 64GB/sec from 32GB/sec

PCIe 4.0 will ramp things up to 64GB/sec, up from the 32GB/sec we have on PCIe 3.0 now.

@anthony256

Published Jun 16, 2014 9:24 PM CDT
Updated Nov 3, 2020 12:16 PM CST

32 seconds read time

I don't know why I'm just reading about, and thus reporting about it just now, but more details are leaking out on next iteration of the PCI Express specification - PCIe 4.0.

PCIe 4.0 should see throughput increased to 64GB/sec from 32GB/sec | TweakTown.com

As it stands, PCIe 3.0 has a maximum throughput bandwidth of 32GB/sec, but PCIe 4.0 will ramp things up to 64GB/sec - as it will have a base speed of 16Gbps per data link. At the moment, GPUs won't make much more use of this, but with SSDs moving toward PCIe - we are seeing a huge increase in the required bandwidth - with OCZ showing off 3.8GB/sec with PCIe-based SSDs in RAID 0 at Computex this year as an example.

When will we see PCIe 4.0 rolled out? We should expect it to come baked into Intel's upcoming Skylake platform, with its 100-series chipset.

NEWS SOURCE:tomshardware.com

Anthony Garreffa

Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.