The Mark-7 can be purchased as the tower only. If you currently have a good monitor, keyboard, mouse, and speakers, the tower only option may make a perfect upgrade.

Component
Standard
Model
Professional
Model
Ultimate
Model
CPU
2.66GHz Intel
Core i7
2.93GHz Intel
Core i7
3.20GHz Intel
Core i7
Memory
8-GB High-Speed DDR3
12-GB High-Speed DDR3
16-GB High-Speed DDR3
Hard Drives
Dual Removable 1000GB (1.0TB)
Dual Removable 1500GB (1.5TB)
Dual Removable 2000GB (2.0TB)
Optical Drives
One DVD/CD Read/Write
With Lightscribe
Two DVD/CD Read/Write
With Lightscribe
One DVD/CD Read/Write
With Lightscribe
One Blu-Ray Read/Write
Floppy Drives
Optional
One External 1.44MB 3.5"
One External 1.44MB 3.5"
Power Supply
600 Watts
700 Watts
800 Watts
Operating System
Windows 7
Home Premium
Windows 7
Professional
Windows 7
Ultimate
MS Outlook
Optional
Included
Included

Delivered appearance and specifications may vary slightly from those listed.