WD Blue 4TB 3.5" SATA 6Gbps Internal Hard Drive

That's $5 under a Prime Day deal and Amazon's all-time lowest price. Buy Now at Amazon

It's the best price we could find by $90. Buy Now at B&H Photo Video

That's the second-best price we've ever seen for this drive, and a $57 savings today. Buy Now at Samsung

It's just a few bucks more than the best price we've ever seen, and $57 off. Buy Now at Samsung

It's $100 off. Buy Now at Samsung

The Amazon Haul $1 Flash Sale deal is back and everything in the sale is just $1. Amazon Haul requires $25 for free shipping, so make sure to fill your cart up before check out. Buy Now at Amazon

Shop a large selection of electronics and tech items. Each item in this sale is $1, but customers are limited to a maximum of three items. Shipping is free on orders of $25 or more. Shop Now at Amazon

It's marketed as non-toxic, earthquake resistant, and "interesting". Buy Now at Amazon

Amazon Prime members get exclusive discounts and with Prime Big Deal Days approaching, there's more to choose from. We found discounts as high as 92% off. For example, this pictured Smart Watch is only $23.98 for Prime members. Shop Now at Amazon

Save $10 off orders of $100, $25 off orders of $150, and $50 off orders of $300 or more. Plus, all orders score free shipping. Buy Now at Western Digital

Use promo code "WDSAVE10" to get this extra discount on Western Digital's internal and external storage. Members get free shipping on all orders. (It's free to sign up.) Shop Now at Western Digital

Purchase one of these qualifying hard drives, and you can check a box on the product page to get a 2-year data recovery plan for free. That's an extra savings of $10. Members get free shipping on all orders. (It's free to sign up.) Shop Now at Western Digital