Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1 of our report dated September 28, 2006 relating to the financial statements and financial statement schedules of Mellanox Technologies, Ltd. which appears in such Registration Statement. We also consent to the references to us under the headings “Experts” and “Selected Financial Data” in such Registration Statement.

/s/ PricewaterhouseCoopers, LLP
San Jose, California
September 28, 2006