Amazon has the Samsung T5 EVO 4TB Portable SSD (MU-PH4T0S/AM) for $200 with free shipping. It features USB 3.2 Gen 1, shock resistance and fall protection up to 6 feet, 256-bit AES hardware encryption, and up to 460MBps sequential read/write speeds.
$200
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Amazon has the WD_BLACK 2TB C50 Expansion Card for Xbox for $180 with free shipping. Has excellent Amazon Reviews.
$180
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