Use this to speed up my Raspberry Pi 4 and it works well. It might not be the fastest, but it's a decent speed for the price and convenience of a small drive.
Seagate BarraCuda 500GB Internal Hard Drive HDD - Reliable, High-Speed Storage Solution for Desktop PC - SATA 6 Gb/s, 7200 RPM, 32MB Cache (ST500DM009)
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SAMSUNG T7 Portable SSD 1TB: Fast and Reliable USB 3.2 External Solid State Drive in Gray
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SAMSUNG T7 Touch Portable SSD π½ 2TB: High-speed, Secure & Compact Solid State Drive!
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π SAMSUNG T5 Portable SSD 2TB - High-Speed USB 3.1 External Solid State Drive, Black (MU-PA2T0B/AM)
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Shock-Resistant Transcend StoreJet 25M3 USB 3.1 Slim Portable Hard Drive with 500GB Capacity
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2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
55 Review
8TB Seagate Backup Plus Hub Desktop Hard Drive with Data Recovery Services
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2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
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