8GB DDR4 RAM Memory Upgrade for ASUS RS Server RS300-E9-PS4 (PARTS-QUICK) - Walmart.com
Original PS4 design had 4GB RAM - GameSpot
Playstation 4 secondary processor discovered | Computer service, Playstation, Playstation 4
Doyle4 on Twitter: "Testing Ram cooling on Phat PS4 using a Macbook Pro fan removed from its housings, works surprisingly well. https://t.co/NnsQmW8aDX" / Twitter
Zezzio 16.8w/mk High Performance Thermal Pad For Ssd Cpu Gpu Ram Ps4 Motherboard Multi-size Heat Dissipation Silicone Pad - Pc Components Cooling & Tools - AliExpress
32GB Memory for ASUS TS500-E8-PS4 Server DDR4 PC4-17000 2133 MHz LRDIMM RAM (PARTS-QUICK Brand) at Amazon.com
RedGamingTech
OFFTEK 16GB Replacement Memory RAM Upgrade for Asus RS300-E9-PS4 (DDR4-19200 - ECC) Server Memory/Workstation Memory at Amazon.com
A-Tech 32GB RAM for ASUS RS Server RS500-E8-PS4 V2 Z10PR-D16 | DDR4 2666MHz PC4-21300 ECC Registered RDIMM 2Rx4 1.2V - Server Memory Upgrade Module at Amazon.com