Amazon has the ADATA 512GB M.2 Internal SSD (ASU800NS38-512GT-C) for $58 - $5 off with coupon (Clip Coupon) = $53 with free shipping. Read speeds of up to 560MB/s and write speeds up to 520MB/s.
Has good Amazon Reviews.
Amazon has the SanDisk Extreme 64GB UHS-I U3 A2 micro SD Card w/ Adapter (SDSQXA2-064G-GN6MA) for $14 with free shipping for Prime members or on $25+. Features up to 160MB/s* read speeds to save time transferring high-res images and 4K UHD videos(2). Requires compatible devices capable of reaching such speeds, up to 60MB/s write speeds for fast shooting.* Requires compatible devices capable of reaching such speeds.
Has excellent Amazon Reviews.
eBay has the 8TB WD Easystore External USB 3.0 Hard Drive (WDBCKA0080HBK-NESN) for $120 with free shipping. Provides ample space for storing documents, photos, music and more, USB 3.0 interface offers an easy-to-use connection to devices; backward compatible with USB 2.0 for simple connection to your computer.
Amazon has the Utaxo 8-in-1 USB C Hub (UT-UC003) for $50 - $30 off with coupon JS6MMWFH = $20 with free shipping. Features 100W, 4K HDMI port, 2 USB 3.0 ports, USB Type-C charging port, SD and TF card slots.
Has excellent Amazon Reviews.
Amazon has the Samsung 64GB Class 10 UHS-I U3 micro SD Card (MB-ME64GA/AM) for $11 with free shipping on $25+. Features read speeds up to 100MB/s, write speeds up to 60MB/s.
Has excellent Amazon Reviews.
Amazon has the 8TB WD Elements USB 3.0 External Desktop Hard Drive (WDBWLG0080HBK-NESN) for $125 with free shipping. List price: $180. Features fast data transfers, high-capacity add-on storage, plug-and-play ready for Windows PCs.
Has good Amazon Reviews.
eBay has the SanDisk 512GB 2.5" 6GB/s Serial ATA Internal Solid State Drive (SDSSDH3-512G-G25) for $55 with free shipping. Features data transfer rates up to 600MB/sec, write speeds of up to 530MB/sec.
Amazon has the SanDisk Ultra 2TB 3D SATA III 6Gb/s Internal 2.5" SSD (SDSSDH3-2TOO-G25) for $180 with free shipping. Features ultra-fast: sequential read speeds of up to 560MB/s; sequential write speeds of up to 530MB/s, 3D NAND provides greater endurance so your drive lasts longer and uses less power.
Has excellent Amazon Reviews.
Amazon has the HP 256GB x900w USB 3.0 Flash Drive (P-FD256HP900-GE) for $28 with free shipping. Retail price: $70. Temporarily out of stock but still you purchase it.