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What is PCI Express card?

2017-01-18

Simply speaking, PCI Express card is a network card which is through PCI interface and the motherboard connection to work, it is an external, independent, and need to be separately purchased network card that inserted in the PCI Express slots.

PCI Express card

For allowing you better to know PCI Express card, there are some other detailed information of it will be introduced to you, we believe that this article will be very helpful for you if you are puzzled about PCI Express.

What is PCI Express card?

PCI Express, namely the network card of PCI Express slots, is the network components that works in the data link layer, and is an interface that connects the computer and the transmission media in the LAN. It not only can realize the physical connection and electrical matching between a local area network transmission medium, but involve the functions of sending and receiving of the frame, frame encapsulation and unpacking, media access control, data coding and decoding, and the data cache, etc.

Form factors of PCI Express

Form factor

Description

Add-in card

PCI Express is Optimized for Cost

Cost-effective for migration into commodity infrastructure

Replaces PCI over time with 15+ years of life

PCI Express is Easy to Implement

Leverages existing form factors and standards

Transition with existing PCI form factors

PCI Express Mini Card

Higher performance and smaller F/F replacement for Mini PCI

Optimized for communications applications

IHVs can select the serial interface appropriate for their device

Support for LED status indicators

Outstanding power management features

ExpressCard

The ExpressCard Standard enables modularcard solutions for PCI Express and USB

ExpressCard technology is targeted for a wide range of platforms including mobile and desktop PCs

ExpressCard solutions will provide the best end-user experience for PC upgrades

Types of PCI Express card slots

Slot kind

The total number of pins

Pin number of the main interface area

Total Length

The length of the main interface area

Transmission rate

PCI-Express x16

25 mm

7.65 mm

512 MiB/s

PCI-Express x8

39 mm

21.65 mm

2.0 GiB/s

PCI-Express x4

56 mm

38.65 mm

4.0 GiB/s

PCI-Express x1

164

142

89 mm

71.65 mm

8.0 GiB/s

Apart from introducing PCI Express card, the other form factor of it you better to know if you want to learn more about PCI Express card.

PCI Express Mini Card

PCI Express Mini Card (also known as Mini PCI Express, Mini PCIe, Mini PCI-E, mPCIe, and PEM), based on PCI Express, is a replacement for the Mini PCI form factor. It is developed by the PCI-SIG. The host device supports both PCI Express and USB 2.0 connectivity, and each card may use either standard. Most laptop computers built after 2005 use PCI Express for expansion cards; however, as of 2015, many vendors are moving toward using the newer M.2 form factor for this purpose.

Due to different dimensions, PCI Express Mini Cards are not physically compatible with standard full-size PCI Express slots; however, passive adapters exist that allow them to be used in full-size slots.

Summary:

After learning some concepts and related information of PCI Express from this article, we’re sure that you already have a profound and comprehensive understanding of it that it is the purpose of this article, and our efforts is that can help you.

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