如题，联想的老电脑，机箱是真结实，电源也是真袖珍
想请教下有没有性能再拎一点点的可能性
主板30BF
处理器Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz
内存容量8.0GB
硬盘1、KINGSTON SCSI Disk Device (120GB)
2、ST1000DM 003-1SB102 SCSI Disk Device (1.0TB)
3、ST1000DM 003-1SB102 SCSI Disk Device (1.0TB)
网卡1、Intel(R) Ethernet Connection (2) I219-LM
2、Realtek RTL8188ETV Wireless LAN 802.11n USB 2.0 Network Adapter
声卡1、Realtek High Definition Audio
2、AMD High Definition Audio Device
显卡1、Oray Display Mirror Driver
2、AMD Radeon (TM) R7 350
显示器PHL Philips 190V4 分辨率:1440x900