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|ProForm SMART Performance 400i||NordicTrack T 6.5 Si|
|Motor Size||2.5 CHP||2.6 CHP|
|Running Area||20” by 55”||20” W x 55” L|
|Weight Capacity||300 lbs||300 lbs|
|Footprint In Use (W,L,H)||35.5" x 73.25" x 59.75"||36” x 67.5” x 73”|
|Footprint Folded (W,L,H)||35.5” x 39” x 65.25”||0|
|Incline Range||0-10%||0% to 10%|
|Max Speed||10 MPH||10 MPH|
|Treadmill Best For||Walkers||Walking, Light Jogging|
|Display||3” LCD||10” touchscreen|
|PreInstalled Workout Apps||18||20|
|Heart Rate Monitoring||EKG handlebar grips||EKG Grip Pulse|
|Water bottle cubbies||Yes||Yes|
|Warranties||Lifetime frame, 25-year motor, 1-year parts and labor||Lifetime frame and motor, 1-year parts and labor|
|Belt||2-ply||Commercial Tread Belt|
|Roller Size||1.9” rear||1.9” Non-Flex rollers|
|Cushioning||ProShox™ Cushioning||FlexSelect cushioning|
|Customer Support||ProForm has multiple ways to provide support for their customers. There is a live chat function on their website, a help request form, phone support and email options available to answer customer questions||Email, live chat, phone|
|Return Policy||ProForm offers a 30-day trial period which you can return your product for a full refund, minus a 10% restocking fee. If your product is damaged or defective, you do not have to pay the restocking fee.||30-day trial|
Which is better? Comparison of ProForm SMART Performance 400i VS NordicTrack T 6.5 Si treadmills. Compare the characteristics of each product and make your choice. Below you can see the most important specifications that you should check before purchase.