AMD Helios Is Its First Real Rack-Scale Answer to NVIDIA
AMD's MI455X and 72-GPU Helios rack finally challenge NVIDIA at the system level, but peak specifications are only the start of the comparison.
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I Own an RTX 4090, and This Is the First Generation With Nothing Worth Buying
In 2016 I replaced my GTX 980 with a GTX 1080 the moment it launched, because the gap made the decision for me. In 2026 I own an RTX 4090, the RTX 5090 is a quarter to a third faster at prices near double its MSRP, and for the first time in my years of building PCs the right upgrade is none. Here is my read on how we got here, with the numbers.
DDR5 Prices Have Tripled: What Happened, and How to Buy Memory in 2026
A 32 GB DDR5-6000 kit that cost around $100 in 2025 now lists near $500 at US retailers. The cause sits in the server room, not the retail channel. Here is the supply-side mechanism, the numbers behind it, and a practical way to buy memory while the squeeze lasts.