Amazon via Ocean Technology has highly rated external hard drive to USB adapter going for $25.49 with free prime (or non-prime) shipping. Fakespot B rating as well which is pretty solid.
[Universal Hard Drive Adapter] Dual-Head IDE Connector (40pin and 44pin) plus one SATA II Connector. Support SATA 2.5" / 3.5" HDD up to 6TB, IDE 2.5" / 3.5" HDD, allow to operate one IDE and one SATA HDD at once
• [Great Compatibility] Comprises of Upgraded Version Chipset IS611, can be used on Windows XP/Vista/7/8/10 and Mac OS. Data transfer rates up to 5 Gbps, complaint with USB 2.0/1.1
• [Compact Design] Lightweight Design For Easy Storage. LED light shows Power and Activity status
• [Hot Swapping] Plug and play, no drive needed. On/Off Switch for HDD protection
• [What We Offer] SATA/IDE to USB 3.0 Adapter x1, 12V 2A Power Adapter x1, 4PIN Power Cable x1; 2-year warranty quality guarantee, 24h friendly customer service and email support