LAN Speed Test

LAN Speed Test screenshots

Check your LAN, USB drive, and file transfer speed in less than one minute
Settings and Options
LAN Speed Test 4.1 : Settings and Options

Alternative downloads

Local Area Network File Send
Lan.FS is a very quick, small and compact freeware network tool.
Dan Elwell's Broadband Speed Test
The ultimate connection monitoring and benchmarking tool.
QuickFix Tool
If you are a customer of Smart BRO broadband then this utility is for you.