A new batch of high-end storage expansions for Xbox consoles have been annoounced today, as Seagate-branded SSD options for the Xbox Series X were detailed in the latest from the Xbox Wire. This Seagate SSD also has something quite special inside, especially given that it’s a third-party offering.

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After its initial announcement of 1TB expansion SSDs, Seagate is now coming with 512GB and 2TB options for the Xbox Series X and S. The 512GB SSD will cost $139.99 and will launch in the middle of November, while the 2TB card will go on sale in early December, costing $399.99.

As of now, Seagate’s SSD offerings for the Xbox Series X are the only ones in the market to utilize Microsoft’s own Xbox Velocity Architecture. This Architecture, according to the company, makes it so external SSDs perform as fast as internal ones. Xbox Velocity Architecture delivers 2.4 GB/s of raw I/O throughput, more than 40x the throughput of Xbox One.

Source: Xbox Wire