My new laptop has a nano security slot which is hard to find compared to the standard security slot. I've been looking for a long time and finally found this one - it does exactly what is described. I'm happy with it - it's priced much lower than the locks sold by HP or Dell.
RUBAN Notebook Lock and Security Cable: Protect Your PC/Laptop with Two Keys and 6.2 Feet of Cable (Black)
11 Review
π Octatco EzFinger Fingerprint USB Key: Secure Windows Login, File Encryption & Biometric Authentication Tool
10 Review
Enhanced Kensington Cable Lock for HP Laptops, Lenovo, Asus, Acer & Other Devices - Compact & Reinforced Pivoting Lock Head (K65035AM)
11 Review
Secure Your Laptop with the Kensington Portable Laptop Combination Cable Lock - Letter Combination Lock (K64684US)
11 Review