Exclusively for Prime members, Western Digital’s WD_Black C50 1TB Storage Expansion Card for Xbox is on sale at Amazon for $120.64 (about $37 off), very nearly its lowest price to date. You can also get WD’s 512GB card for $65.54 (about $14 off), a few dollars shy of its lowest mark.

Amazon's deal lets you get the 2TB card for half the price Xbox owners paid during its first couple of years on the market. Seagate's 1TB Expansion Card is available for $130 (was $150), but if you're opting for a smaller capacity, you might as well go with the cheaper option.

The Seagate Storage Expansion Card 2TB is currently on sale for just $199 (was $249.99) at Amazon. That's a $50.99 saving and the absolute lowest-ever price that we have seen on this model at the online retail giant. • Shop more Prime Day deals

The officially licensed WD Black C50 1TB Xbox Expansion Card has hit a new all-time low on Amazon, priced at £114.99 in the UK and $123.49 in the US for October Prime Day. With limited options available for expanding Xbox storage,

The year's second Amazon Prime Day is off to a promising start, at least when it comes to discounts on Xbox Series X and Xbox Series S storage cards. Case in point, the excellent WD Black C50 is already very close to its lowest-ever price on record.