Intel Core i3 540 i3-540 3.0GHz/ 4MB Socket LGA 1156 CPU Processor HD Supported memory: DDR3-1066, DDR3-1333 - AliExpress
Amazon.com: HP EliteDesk 8100 SFF PC with Intel Core i3-540 Dual-Core 3.06 GHz, 8GB DDR3, 256GB SSD, 24 Inch LCD Monitor, Wireless Keyboard and and Windows 10 Pro (Renewed) : Electronics
Used for i3-530 i3-540 i3-550 i5-650 i5-660 i5-680 Intel Dual-Core CPU Processor LGA 1156 Original - AliExpress
Used - Dell OptiPlex 980, MT, Intel Core i3-540 @ 3.06 GHz, 16GB DDR3, 250GB HDD, DVD-RW, Wi-Fi, VGA to HDMI Adapter, NEW Keyboard + Mouse, No OS - Walmart.com