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Bulk Email Bandwidth Comparison Chart

It's easy to underestimate the amount of bandwidth needed to send a large batch of email. Use our handy Email Marketing Bandwidth Requirements Chart to find out how much bandwidth you really need.

This chart is based on 10K emails. Naturally, your bandwidth requirements will go up if you're sending larger emails, and if you're sending attachments, your bandwidth needs will rapidly multiply.

Available Bandwidth

Average emails/hour

Data Rate (bits per second)

28.8K Modem:

1,300

28.8 Kbps

56K Modem:

2,500

56 Kbps

ISDN:

5,800

128 Kbps

T1:

72,000

1.544 Mbps

Cable Modem:

23,000-140,000

512 Kbps to 3 Mbps - typically

DSL:

23,000-370,000

512 Kbps to 8 Mbps

T3:

2,000,000

44.736 Mbps

OC-256:

620,000,000

13.271 Gbps

* Assumes email message is 10k in size

Arial Software          info@arialsoftware.com          Ph 949.218.3852
  • Home
  • Product
    • Campaign Enterprise
    • Campaign Enterprise Upgrade
  • Support
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    • Demos
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    • About Us
    • Privacy Policy