hwo to recognize pci-e slot

3) Finally you can gauge the size by slots cafe review just looking.
This will give you some good specs on what everything is on the motherboard.Figure 5: Types of PCI Express slots, figure 6: Details of the PCI and PCI Express slots on a poker em 2018 motherboard.I have just bought Lenovo H50 90C1 desktop system.It has one PCI Express slot, unmarked (does not say.0).This option is probably your safest option, and you should familiarize yourself with the layout and function of your motherboard anyways.Should you want further confirmation, system profiler software is your best option.Usually motherboard manufacturers are kind and do really nice diagrams with all the different parts labeled etc.If you find a port that's the same as the highlighted one, then your motherboard is equipped with a PCIe x16 slot.
If youre not sure of the brand or model, try removing your PCs case lotto bete or side panel and taking a look first-hand - as the manufacturers name is often printed visibly on the hardware.
However, if your computer is more than five years old, you may be wondering if you actually have a computer capable of running devices that require a PCIe.0 16x slot. .
Via the motherboard, the simplest way to discover your motherboard specifications is to search the manufacturer and model in Google.This being the least precise method obviously.However, bigger slots can actually have fewer lanes than the diagram shown in Figure.Worry not, for we have put together a really quick and easy guide for finding out what your computers packing and if its PCI Express port is fit for the bill.Moreover, some slots may downgrade their speeds when their lanes are shared.If with this same slot you see that the number of contacts is reduced to a quarter of what it should have, you are seeing an x16 slot that actually has only four lanes (x4).Once installed, open it and head to the 'Mainboard' tab.Youll see something that resembles the one in the image below.A little-known fact is that you can install any PCI Express expansion card in any PCI Express slot.With x16 being the largest and x1 being the smallest.Look at the slot, this method may not specifically determine whether your motherboard is fitted with a PCI Express.0 port (it may be PCIe.0,.1.0 for example but you can at least discover whether yours is an x16 variant.Figure 7: Differences on the edge contacts of PCI Express, AGP and PCI video cards.If you like, you can export this information as a text file by clicking the down arrow next to the 'Tools' button at the bottom of the window and selecting 'Save Report.TXT').So, if you have an x4 expansion card but your motherboard doesnt have an x4 PCI Express slot, no problem; simply install it in an x8 or x16 slot.CPU-Z, although theres plenty of others available out there.

The most common scenario is on motherboards with two or more x16 slots.
If you have a PCI Express.0 video card and install it on a system with a PCI Express.0 controller, you will be limited to the PCI Express.0 bandwidth.