Hi - I'd like to upgrade my aging T1700, mainly as a project, I have already purchased a replacement machine. Can the motherboard be replaced to take a recent i7 or i9 processor?

Current spec is:

Operating System: Windows 10 Pro 64-bit

CPU - Intel Core i7 4790 @ 3.60GHz
Haswell 22nm Technology

RAM
16.0GB Dual-Channel DDR3 @ 798MHz (11-11-11-28)

Motherboard
Dell Inc. 048DY8 (SOCKET 0)

Graphics
LEN D32q-20B (2560x1440@59Hz)
LEN D32q-20B (2560x1440@59Hz)
Intel HD Graphics 4600 (Dell)
2047MB NVIDIA Quadro K620 (NVIDIA) 49 °C
ForceWare version: 361.91
SLI Disabled

Storage
238GB LITEONIT LCS-256L9S-11 2.5 7mm 256GB (SATA (SSD))
931GB Seagate ST1000DM003-1ER162 (SATA ) 32 °C

Optical Drives
HL-DT-ST DVD+-RW GHB0N
Audio
Realtek Audio