1GB - £3.50/PC
2GB - £5/PC
4TB - £8/PC

Kingston USB Flash Drive

1GB - £3.25/PC
2GB - £4.75/PC
4TB - £7.80/PC

Toshiba USB Flash Drive

1GB - £3.25/PC
2GB - £4.75/PC
4TB - £7.80/PC

Phillips USB Flash Drive

1GB - £3.50/PC
2GB - £4/PC
4TB - £7.90/PC