Amazon's 1-day storage sale features discounts of up to $420 off, plus $50 off Apple Watch Series 4

Whether you're looking for a portable USB-C drive to travel with your MacBook Pro, or you need a significant amount of space to run alongside your iMac 5K, Amazon's flash storage sale offers discounts of up to 60% off models from SanDisk and Western Digital. Apple Watch Series 4 styles are also eligible for a bonus coupon, delivering the lowest prices available.