When we create certain sized VMs, the NICs associated with them are throttled for
Outbound traffic. Here’s some numbers that were originally published from a little
while ago (may have changed since, but these give you a guide):

Specifications

Extra Small

Small

Medium

Large

Extra Large

CPU

1.0 GHz

1.6 GHz

2 X 1.6 GHz

4 X 1.6 GHz

8 X 1.6 GHz

Memory

768 MB

1.75 GB

3.5 GB

7 GB

14 GB

VM Local Storage

20 GB

225 GB

490 GB

1,000 GB

2,040 GB

Network I/O Performance

Low

Moderate

High

High

High

Allocated Bandwidth

5 Mbps

100 Mbps

200 Mbps

400 Mbps

800 Mbps

Blog Post by: Mick Badran