TechWise Co

Buying guides

When the spec sheet isn’t enough: what to look at, what to skip, and why we picked each product.

Graphics cards

The best GPU for running AI at home in 2026, picked by memoryFive picks by graphics memory, from the RTX 5060 Ti 16 GB to a 128 GB mini PC — and the popular cards we'd skip.How much VRAM do you need for local AI?One table: chat models, image generators and speech tools against 12, 16, 32 and 96 GB.RTX 5060 Ti 16 GB vs RTX 5070 for AI: why the cheaper card winsFor games the 5070 wins. For AI, the cheaper card with more memory does.Field notes: running images, transcription and voice on one 12 GB RTX 3080What really went wrong running images, transcription and voice on one RTX 3080, every day.

Processors

Which desktop CPU to buy in 2026Four processors for four kinds of buyer — gaming, heavy work, both, or a tight budget — with the platform costs nobody mentions.

Memory & storage

How much RAM do you need in 2026?Why 32 GB in two sticks is the sensible default, when 64 GB is worth it, and why memory got so expensive.Which NVMe SSD to buy: PCIe 4.0 or 5.0, TLC or QLCFour 2 TB drives, and the two specs that matter more than the headline speed: endurance and flash type.

Monitors

OLED or IPS? Choosing a 27-inch 1440p monitorGlossy OLED, matte OLED or a work-first IPS panel — what each is best at, with three real models.

Mini PCs & laptops

A 32 GB graphics card or a 128 GB mini PC for local AI?32 GB of very fast memory, or up to 96 GB of slower memory in a whole small computer.

Networking & Wi-Fi

Wi-Fi 7 mesh: which system fits your home and your internet planMatch the wired ports to your internet plan first; the Wi-Fi numbers on the box come second.

Power & protection

A battery backup (UPS) for your PC: how to size itWhat a UPS is really for, why modern PCs want pure sine wave, and how to size it in watts.How big a power supply do you need?Start from NVIDIA’s own number for your graphics card, then pick an ATX 3.1 unit with the right connector.