Updated March 2012
In most cases, an online backup service plan supports backing up from a single computer per account.
However, some plans offer support for simultaneous backup from more than one of your computers. This kind of plan could save you lots of money over purchasing a separate account for each computer that you want to backup.
Below are monthly calculated prices for multi-computer online backup plans, assuming you prepay for the designated time frame:
Note: Please let me know if any of these prices have changed and I'll be happy to update the table.
Multi-Computer Online Backup Price Comparison
| Backup Service | Computers | Storage | 3 Y | 2 Y | 1 Y | M2M |
| ADrive Premium (50 GB) | Unlimited | 50 GB | $2.89 | $4.04 | $4.58 | $6.95 |
| ADrive Premium (100 GB) | Unlimited | 100 GB | $5.81 | $8.13 | $9.25 | $13.95 |
| ADrive Premium (250 GB) | Unlimited | 250 GB | $14.14 | $19.79 | $22.58 | $33.95 |
| ADrive Premium (500 GB) | Unlimited | 500 GB | $27.89 | $39.04 | $44.58 | $66.95 |
| ADrive Premium (750 GB) | Unlimited | 750 GB | $41.64 | $58.29 | $66.58 | $99.95 |
| ADrive Premium (1 TB) | Unlimited | 1024 GB | $54.97 | $76.96 | $87.92 | $131.95 |
| IDrive Basic | Unlimited | 5 GB | Free | Free | Free | Free |
| IDrive Pro2 | Unlimited | 150 GB | → | → | $4.13 | $4.95 |
| IDrive Pro (Family Pack)2 | Unlimited | 500 GB | → | → | $12.46 | $14.95 |
| MiMedia (Free) | Unlimited | 7 GB | Free | Free | Free | Free |
| MiMedia (Premium 250 GB) | Unlimited | 250 GB | → | → | $8.25 | $9.99 |
| MiMedia (Premium 500 GB) | Unlimited | 500 GB | → | → | $16.58 | $20.00 |
| MiMedia (Premium 1 TB) | Unlimited | 1024 GB | → | → | $27.08 | $35.00 |
| Nomadesk (Team Fileserver) | Unlimited | Unlimited | $28.00 | $29.75 | $31.50 | $35.00 |
| SafeSync (20 GB) | Unlimited | 20 GB | → | → | $3.33 | ← |
| SafeSync (50 GB) | Unlimited | 50 GB | → | → | $7.50 | ← |
| SafeSync (100 GB) | Unlimited | 100 GB | → | → | $12.50 | ← |
| SpiderOak (Free) | Unlimited | 2 GB | Free | Free | Free | Free |
| SpiderOak (Plus) | Unlimited | 100 GB | → | → | $8.33 | $10.00 |
| SpikerOak (Plus) [+400 GB] | Unlimited | 500 GB | → | → | $41.67 | $50.00 |
| CrashPlan+ (Family Unlimited)1 | Up to 10 | Unlimited | $7.501 | $8.33 | $10.00 | $12.00 |
| Livedrive (Pro Suite) | Up to 5 | 5120 GB | → | → | $20.83 | $24.95 |
| Norton Online Backup | Up to 5 | 25 GB | → | → | $2.08 | ← |
| SOS (50 GB) | Up to 5 | 50 GB | $4.33 | $5.41 | $6.66 | ← |
| SOS (100 GB) | Up to 5 | 100 GB | $5.55 | $6.25 | $8.33 | ← |
| SOS (150 GB) | Up to 5 | 150 GB | $6.94 | $8.33 | $12.50 | ← |
| SOS (250 GB) | Up to 5 | 250 GB | $27.78 | $31.25 | $41.67 | ← |
| SOS (500 GB) | Up to 5 | 500 GB | $47.22 | $62.50 | $70.83 | ← |
| ElephantDrive (Personal 100) | Up to 3 | 100 GB | → | → | $8.29 | $9.95 |
| ElephantDrive (Personal 250) | Up to 3 | 250 GB | → | → | $16.63 | $19.95 |
| ElephantDrive (Personal 500) | Up to 3 | 500 GB | → | → | $33.29 | $39.95 |
| ElephantDrive (Personal 750) | Up to 3 | 750 GB | → | → | $49.96 | $59.95 |
| ElephantDrive (Personal 1TB) | Up to 3 | 1024 GB | → | → | $71.63 | $85.95 |
| ElephantDrive (Personal 2TB) | Up to 3 | 2048 GB | → | → | $141.63 | $169.95 |
| MozyHome3 | Up to 3 | 125 GB | → | $8.74 | $9.16 | $9.99 |
| Nomadesk (Personal Fileserver) | Up to 3 | Unlimited | $5.00 | $5.31 | $6.25 | ← |
| Livedrive (Backup) [+1 PC] | Up to 2 | Unlimited | → | → | $7.83 | $9.40 |
Note: All prices are in USD and calculated per month, rounded to the nearest cent. M2M means month-to-month. The → or ← means that the listed online backup service does not offer a multi-computer backup plan in the term length listed so follow the arrow to see the equivalent monthly price for that length of time.
[1] CrashPlan+ Family Unlimited billed rates are: $269.99 for 3 years ($7.50x36), $199.99 for 2 years ($8.33x24), and $119.99 for 1 year ($10.00x12). This plan also comes in a 4 year prepaid version for $287.99, bringing the price down to $6.00 per month ($6.00x48).
[2] IDrive Pro and Pro Family Pack 1 year prepaid plan costs are as follows: $49.50 ($4.13x12) and $149.50 ($12.46x12), respectively.
[3] MozyHome rates are: $109.89 ($9.16x12) for the 1 year plan and $209.79 ($8.74x24) for the 2 year plan.
