Products/Brands › Inter-tel 660.2100 Premier ESP CPU Processor Card - Refurbished Image 1 of 1 Inter-tel 660.2100 Premier ESP CPU Processor Card - Refurbished $165.00 Quantity: Add To Cart Added! Features:Part number: 660.2100Main Processor board for Premier ESP System. WARRANTY: 3-MONTH WARRANTY Features:Part number: 660.2100Main Processor board for Premier ESP System. WARRANTY: 3-MONTH WARRANTY Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Inter-tel 660.2300 Premier ESP 6-Port Co-Line Card - Refurbished $165.00 Inter-Tel 660.3100 DSS Module (Charcoal) - Refurbished $149.00 Inter-Tel 660.5100 DSS Module (Charcoal) - Refurbished $149.00 Inter-tel 660.7700 IMX/ESP 24-Button Non Display Phone - Refurbished $119.00 Intertel 660.2200 STN-A 6-Port Station Card for Premier ESP - Refurbished $179.00