WD Black C50 1TB Storage Expansion Card for Xbox Series X/S

Apply eBay promo code "MEMORIALDEALS" to drop the price to $40.79, the best deal we've seen in any condition. Certified refurbished eBay items get a 2-year Allstate warranty. Buy Now at eBay

It's the best price we've seen for this hard drive since Black Friday week last year. Buy Now at eBay

It's the best deal we've seen for this model. Buy Now at Amazon

It's $88 off, $1 under our March mention, and the lowest price it's ever been on Amazon. (You'd pay $200 elsewhere.)

This deal was good enough to make our roundup of the top five best deals of the day. Follow that link to see our latest selection. Buy Now at Amazon

You'd pay $25 more for the monitor alone at Amazon, and another $140 for the portable SSD. Buy Now at Samsung

That's $129 off, and a free 128GB Sonic MicroSDXC & adapter (a $34 value) is included. Check the offer box on the product page to get this deal. Buy Now at Samsung

The Amazon Memorial Day sale has new discounts on thousands of items across most categories. Amazon advertises up to 35% off in the banner, but we found discounts as large as 90% off (use the filters to find the discount range you're looking for). While there are typical deals on lawn and garden, sports and outdoors, and grilling equipment, you'll also find great deal on top brands like Levi's, Columbia, JBL, Dyson, Bose, and more.

Check out all the best Amazon Memorial Day deals that DealNews has found so far.

This deal was good enough to make our roundup of the top five best deals of the day. Follow that link to see our latest selection. Shop Now at Amazon

Prime members get $1,750 in Amazon gift cards if you purchase a car through Amazon Autos. This program currently has Hyundai cars available — buy at Amazon either with cash or with customized financing, then head to your chosen dealership to pick up your car. You can also trade in your old car for credit. Buy Now at Amazon

Save on shirts, tops, hoodies, sports bras, shoes, and accessories. Pictured is the adidas Men's Airchill Freelift Polo Shirt Pro from $21 (close to $50 elsewhere). Shop Now at Amazon

That's a $10 low. Buy Now at Amazon

Apply coupon code "MEMORIALDEALS" to save $27. Buy Now at eBay

Use coupon code "PURPLE10" to get the extra discount on these drives, designed for security camera video storage. It drops the pictured WD Purple Pro 10TB Surveillance Hard Drive to $243 ($12 less than you'd pay at Amazon). Members get free shipping on all orders. (It's free to sign up.) Shop Now at Western Digital

That's a buck under the price we saw two weeks ago and the best price we could find today by $21. Buy Now at Amazon