If you don't mind the 2 week wait.
The HP ProLiant MicroServer Gen8 is a small, quiet, and stylishly designed server that is ideal as a first server solution for small businesses. With a form factor that is easy-to-use and service, it helps small businesses drive down their expenses while improving productivity, efficiency, and security.
Intel® Celeron® G1610T (2 core, 2.3 GHz, 2MB, 35W)
2.3GHz2GB (1x2GB) UDIMM
Ultra Micro Tower(1) Dynamic Smart Array B120i/ZM
Possible topcashback - 5.05% (Business Store)
Possible quidco - 6%
Use 4OFFHP takes £7.87 or
Use 5OFFHP takes £9.84 (thanks to dt_matthews)
£188.93 - £35 cashback via redemption = £153.93
If it tracks via topcashback could get further £7.95 making it £145.98