Amazon has the WD Black SN750 NVMe Gen3 PCIe 1TB Internal Gaming SSD for $120 with free shipping. Retail price: $140. Has excellent Amazon Reviews.
Amazon has the WD Blue 3D NAND 500GB SATA III M.2 2280 Solid State Drive (WDS500G2B0B) for $53 with free shipping. Retail price: $182. Features sequential read speeds up to 560MB/s and sequential write speeds up to 530MB/s.
Has excellent Amazon Reviews.
Amazon has the Samsung Pro Endurance 128GB Micro SDXC Flash Card (MB-MJ128GA/AM) for $20 with free shipping. Has excellent Amazon Reviews.
Amazon has the SanDisk 256GB Ultra Dual Drive Luxe USB Type-C (SDDDC4-256G-G46) for $33 with free shipping. List price: $50. Features read speeds up to 150Mbps, USB-C and USB Type-A connector.
Has excellent Amazon Reviews.
Amazon has the Crucial MX500 1TB SATA 6Gbps Internal SSD (CT1000MX500SSD1) for $97 with free shipping. List Price: $115. Features reads/writes up to 560/510 MB/s and random reads/writes up to 95k/90k on all file types.
Has excellent Amazon Reviews.
eBay has the Certified Refurb WD My Passport Ultra 1TB Hard Drive for $35 with free shipping.
Amazon has the WD Blue SN550 500GB PCIe NVMe Internal M.2 SSD (WDS500G2B0C for $55 with free shipping. List price: $90. Features sequential read speeds up to 2,400 MB/s. Boost your system's performance with next-gen NVMe SSDs.
Has excellent Amazon Reviews.
eBay has the SanDisk iXpand Mini 64GB USB 3.0 Lightning Flash Drive for $33 with free shipping. Features USB 3.0, transfer speeds of up to 90MB/s.
Amazon has the SanDisk Ultra 64GB Dual Drive USB Type-C Flash Drive (SDDDC2-064G-G46) for $13 with free shipping on $25+ or with Prime. List price: $33. Features a reversible USB Type-C connector on one end and a traditional USB connector on the other.
Has good Amazon Reviews.