Gadrev

This is the picture of Google Servers and hardware when they first started up in 1998. You can also see a homemade diskbox made of Duplo blocks. This is awesome. How the today’s billion dollar company started from small!
Currently, Google maintains an estimated 450,000 servers, arranged in racks located in clusters in cities around the world. From: Wikipedia

The details of hardware in the picture:

1. Two 300 MHz Dual Pentium II Servers with 512MB of RAM. There are 9 9G drives between the two machines. The main search engine is running on these. These were donated by Intel.

2. IBM donated F50 IBM RS6000 with 4 processors and 512MB of memory. It has 8 9G drives internal.

3. The left box has 3 9G drives, and there are 6 4G drives on the right (the original storage for Backrub). These are attached to Sun Ultra II.

4. This IBM disk expansion box has another 8 9G drives. This was donated by IBM.

5. This is Sun Ultra II with dual 200MHz processors, and 256MB of RAM. This was the main machine for the original Backrub system.

6. This is homemade disk box which contains 10 9G SCSI drives.

View more pictures at: Google Hardware

You can also find the Google’s first production server here

And also if your are interested in Google master Plan Of course, at the end you would not like to miss Googleplex – inside google headquarters.