Transferring hundreds of kilobyte files from computer to storage server

Hi There,

I'm having an issue with slow transfer speeds when writing files from user computers to our storage server. I am the IT Administrator for our company and a goal of mine is to improve the transfer speed by 5-10x within a few weeks. Basically our setup is a high performance Dell workstation with 3.6ghz xeon processors, 32GB of ram, dedicated graphics cards, and gig/full duplex network adapters. They all use an application called Tekla Structures which is a modeling application. The issue is this application creates a folder for the model with thousands of files ranging from 2KB to 5MB, with 90% being in the KB range. If I transfer files over 1MB to our storage server as a test I get speeds of 500Mbps, which is expected. When I transfer files 500KB and under I get around 20-40Mbps up and 150 down, which is about 12x slower. How can I increase these speeds? Since this is a 3rd party program I cannot compress the information in some way to increase file size and lower the IOPS, so I am limited to thinking a NIC on the users Desktop might be the best bet.

I appreciate any feedback you can provide!

Thanks