4GB 2x2GB PC3L-12800S ASRock Mini PC Vision HT 321B Vision HT 323B Memory RAM | eBay
Vision HT Series - ASRock Inc.
Amazon.com: SLLEA AC/DC Adapter for ASRock Vision HT Series HT 421D HT 420D HT 400D HT 323B HT 321B HT 312D HT 311D Mini PC Barebone System Power Supply Cord Cable PS
Amazon.com: PK Power AC/DC Adapter for ASRock Vision HT Series HT 421D HT 420D HT 400D HT 323B HT 321B HT 312D HT 311D Mini PC Barebone System Power Supply Cord Cable
A-Tech 2GB RAM for ASRock Mini PC Vision 3D 252B, Vision HT 311D, VisionX 321B, VisionX 323B, VisionX 420D, VisionX 421D, VisionX 471D | DDR3 1600MHz PC3-12800 SODIMM 1.35V Non-ECC Memory Upgrade