Samsung Galaxy S8 may launch in two RAM/memory size variations | Sim-unlock.net unlock blog
Samsung Galaxy S8 - Wikipedia
Samsung Galaxy S8 4G LTE Unlocked Cell Phone US Version 5.8" Midnight Black 64GB 4GB RAM - Newegg.com
Leaked Samsung Galaxy S8 specs sheet reveals 4 GB of RAM, 64 GB of storage space - PhoneArena
IntelliSkin® for Samsung S8 – RAM Mounts
Samsung Galaxy S8 Plus G955F 4GB RAM 64GB ROM Global Version 6.2" Octa Core NFC Fingerprint Exynos 4G LTE Original Mobile Phone|Cellphones| - AliExpress