Here is the page of Dell US retailer
Dell US
Dell US
Up to 146 Points per $10

Dell US

When will I get my Points?

PurchaseToday
Tracked within i5 day(s)
Awarded within i45 day(s)
**The stated reward is for the purchase of accessories. Lower rewards will be given to Alienware Desktops, Inspiron Notebooks, Alienware Notebooks, and G-Series Laptops. Lower rewards are given on all other purchases**

Gift cards are not eligible for member rewards. Any purchase of Dell products and services in which the transaction is substantially completed by telephone or by a Dell salesperson, or any purchase of refurbished goods is not eligible for customer rewards.

All Dell Outlet purchases are ineligible for rewards. Any orders placed through the Dell Business Alliance Systems Division, Dell Advantage, State & Local Government, Federal Government, Education, Healthcare, Medium & Large Business, Emerging Business and Internet Service Provider Divisions are not eligible for customer rewards.

No rewards are given on in-app purchases, in order to earn you will need to shop via the desktop site.
***
Rewards are not calculated on postage / handling / delivery costs or associated purchase taxes in your region (This may include but not be limited to VAT, GST etc).

About Dell US

Dell believes in creating loyal customers by providing a superior experience at a great value. Dell's commitment to customer value, to the Dell team, to being direct, to operating responsibly and, ultimately, to winning continues to differentiate Dell from other companies.