The file imported is a 75 MB Revit model.
System configurations -
Windows 8 Professional 64-Bit
AMD Bulldozer FX 4100 3.6 GHz
16GB Transcend DDR3 RAM (8+8) @ 1333 MHz
Motherboard - Asus M5A78L-MLX V2
1 TB Seagate SATA HDD
Graphics card - Radeon HD 5450