Note: Please in advance set the PCIE speed of the motherboard BIOS to GEN3 for using with 3.0 graphics card extension line, or the computer will not work. | Size: 12.2 x 5.3 x 7.6 in, 8.1L Portable Handheld Minni Itx Case. | New features: Front I/O USB3.0 Type-C Port and using pure aluminum wire drawing material, small leather handle on the top. | MESH Panels: Three-sided MESH panels, Effectively improve the performance of hot and cold air exchange. | Support SFX power supply: Support 100-130mm SFX/SFX-L power supply,the height limit of CPU fan is 60mm. | ITX motherboard: 170*170mm specification standard ITX motherboard. | Compatible with ≤ 305mm graphics cards: Height 55mm (2.5 slots), Width 130mm. (Equipped with a pre mium PCIe 3.0 16X Riser Cable)