Sony a9 II has a refined design and more pro-oriented features: Digital Photography Review
Unboxing the Sony A9 ii: The Ultimate Camera for Professional Photographers
Sony a9 II Mirrorless Camera: 24.2MP Full Frame Mirrorless Interchangeable Lens 27242918993
Sony Alpha a9 II Mirrorless Digital Camera (a9II Body) ILCE9M2/B
Sony Alpha ZV-E1 Full-Frame Mirrorless Vlog Camera with 28-60mm and 50mm Lens (ILCZV-E1L/W, Black) Bundle (7 Items) : Electronics
Sony Alpha a9 II Mirrorless Digital Camera Body - 10PC Accessory Bundle 27242918993
SONY ALPHA A9 MkII CSC Camera - Body Only $7,358.85 - PicClick AU
Sony Alpha 7R V Full-Frame Mirrorless Interchangeable Lens Camera (ILCE7RM5/B) (International Model) : Electronics
Sony Announces Alpha 9 II With Enhanced Connectivity And Workflow For Professional Sports Photographers & Photojournalists, Sony
Sony Alpha a7S III Mirrorless Digital Camera with 50mm Full Frame Prime Lens Bundle (6 Items) : Electronics
Sony Alpha 7R IV Full Frame Mirrorless Interchangeable Lens Camera w/High Resolution 61MP Sensor, up to 10FPS with Continuous AF/AE Tracking : Electronics
Sony A9 II Review
Panasonic Lumix DC-S5IIX vs Sony Alpha a9 II: What is the difference?
Sony Alpha 1 Full-Frame Mirrorless Camera Bundle with 2X 64GB SDXC Memory Card, Extra Battery, Gadget Bag, Card Reader + More