AMD Radeon RX 480 4GB vs 8GB review | Eurogamer.net
HP AMD Radeon RX 480 DirectX 12 GAMING 4GB Gaming Video Card...
eBay Find: The Liquid Metal HP OEM RX 480 [4GB] with a Sapphire Fan - more info in the comments : r/pcmasterrace
mini-eGPU with AKiTiO Thunder3 & Thunder2 & Node Lite (the best Implementations) // Xcellon Little Brother as replacement – Page 21 – Thunderbolt Enclosures