Amazon.co.jp: G.Skill DDR4-5066 DDR4 Memory, 16 GB Kit (8 GB x 2 Discs), Official Japanese Product OVERCLOCK Works Purchase Limited Bonus Sticker Included F4-5066C20D-16GTZR : Computers
Crucial 16GB DDR4 SDRAM Memory Module - for Notebook - 16 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19-1.20 V - Non-ECC - Unbuffered - 260-pin - SoDIMM (CT16G4SFS8266) at Amazon.com
G.SKILL 16GB (2 x 8GB) Trident Z Royal Series DDR4 SDRAM 3600MHz PC4-28800 Desktop Memory Model F4-3600C14D-16GTRSB : Computers - Amazon.co.jp
G.SKILL 16GB (2 x 8GB) Trident Z Royal Series DDR4 SDRAM 4000MHz PC4-32000 Desktop Memory Model F4-4000C18D-16GTRS : Computers - Amazon.co.jp
G.Skill F4-3200C16D-16GTZR Trident Z RGB Series 16 GB (8 GB x 2) DDR4 3200 MHz PC4-25600 CL16 Dual Channel Memory Kit - Black with Full Length RGB LED Light bar at Amazon.com