Patent ID: 7828560

Claim:
A card edge connector for insertion of a memory module, comprising: an elongated insulative housing having a pair of side walls with a central slot formed therebetween for accommodating the memory module, each side wall defining a plurality of passageways communicating with the central slot; a plurality of terminals including first terminals and second terminals, each first terminal having a first contacting portion received in the passageway and protruding into the central slot, a first tail portion to be mounted on a PCB, and a first connecting portion interconnecting the first contacting portion and the first tail portion, the first connecting portions and the first tail portions being arranged in two rows, each second terminal having a second contacting portion received in the passageway and protruding into the central slot, a second tail portion to be mounted on the PCB, and a second connecting portion interconnecting the second contacting portion and the second tail portion, the second connecting portions and the second tail portions being arranged in another two rows; and a spacer coupled to the insulative housing, the spacer defining a plurality of first protrusions at a rear end thereof and forming a plurality of first grooves exposed to exterior and located between each two adjacent first protrusions to receive one row of the first connecting portions, the first protrusions each having a second groove formed thereon and exposed to exterior to receive the other row of the first connecting portions, the spacer defining a plurality of second protrusions at a front end thereof and forming a plurality of third grooves exposed to exterior and located between each two adjacent second protrusions to receive one row of the second connecting portions, the second protrusions each having a fourth groove formed thereon and exposed to exterior to receive the other row of the second connecting portions wherein the card edge connector further comprises a cover having a rear wall resisting one row of the first connecting portions in the second grooves, and a plurality of resisting projections extending from the rear wall and protruding into the first grooves to resist the other row of the first connecting portions in the first grooves, the spacer is sandwiched between the housing and the cover along a front-to-rear direction; wherein the insulative housing has a first cavity, the spacer has a first block extending forwardly therefrom to be retained in the first cavity; wherein the insulative housing has a second cavity stacked with the first cavity and a pair of retaining slots formed at two lateral sides thereof, the cover has a second block retained in the second cavity and a pair of latching portion latched in the retaining slots.