PCIe Mini Card introduces a scalable, point-to-point, power-managed, serial interface to the laptop computer market.

Full isochronous data transfer support is provided to guarantee minimum service latency and bandwidth requirements. This mode is advantageous for isochronous or time-sensitive applications, such as streaming video, where it is more important to display frames in a timely fashion than it is to display every frame.

The Mobile PCIe Mini Card interface enables a new level of interconnect performance on mobile platforms upgrading the I/O bandwidth from a half-duplex 133 MB/s to a full-duplex 250 MB/s. The PCIe Mini Card replaces the Mini PCI card, typically used on the mobile motherboard for build-to-order optional functions.

The PCIe Mini Card (30 mm x 51 mm) is about half the size of a Mini PCI (61 mm x 51 mm) card (Type 3A), thus two PCIe Mini Cards can fit in the space for one Mini PCI card.

PCIe Mini Card is much smaller than the Mini PCI cards and they are not interchangeable so check that your Laptop chassis will accept them before ordering.

Chassis which accept the new PCIe Mini cards are usually recent Core / Core Duo / Core 2 Duo chassis as these are normally based on the new PCI Express design.