AMD/Xilinx XC6SLX45-2FGG484I FPGAs (Field Programmable Gate Array)
Field Programmable Gate Array (FPGA) with 43661 logic cells and 54576 registers, built on 45nm process technology.

Same model may have multiple batches, images only for reference.
Technical Specifications
AMD/Xilinx XC6SLX45-2FGG484I FPGAs (Field Programmable Gate Array) technical specifications.
General
AMD/Xilinx XC6SLX45-2FGG484I FPGAs (Field Programmable Gate Array) Overview
Field Programmable Gate Array (FPGA) with 43661 logic cells and 54576 registers, built on 45nm process technology. Features 316 maximum user I/Os, 2088 Kbit RAM, 116 (18x18) multipliers, and 58 dedicated DSP blocks. Operates with a 3.2 Gbps transceiver speed and supports external memory interfaces including DDR, DDR2, DDR3, and LPDDR SDRAM.
Packaged in a 484-pin Fine Pitch Ball Grid Array (FBGA) with a 1mm pin pitch, suitable for surface mounting and operating between -40°C and 100°C.