Yapay zeka, altyapı ve web üzerine teknik yazılar
Yerel yapay zeka ve GPU donanımı, performans, SEO ve güvenlik. Pazarlama gürültüsü yok - gerçek rakamlar ve çalışan çözümler.

What a Website Costs: Hours, Not Price Tags
Why two quotes for the same website differ several times over: the price is hours times a rate. Which hours go in, and what to ask before signing.
OkuyunRenting Out a GPU Server on Vast.ai: The Real Math
Renting out a GPU server: nine weeks of median rates across providers, the three costs that eat the margin, and why nobody promises you utilization.
OkuyunSizing a GPU Server for LLM Inference: the VRAM Maths
How much VRAM a 7B to 70B+ model really needs, why the KV cache is the part everyone forgets, and why memory bandwidth beats TFLOPS for inference.
OkuyunRenting vs Buying GPU Compute: the Real TCO in 2026
Weekly median rental rates across GPU providers, the electricity arithmetic nobody publishes, and where the break-even actually sits. Plus why the spread within one GPU model beats the gap between models.
OkuyunVast.ai Verification: Data From an 8× RTX PRO 6000
What Vast.ai checks before it lists a GPU server, the numbers a verified 8× RTX PRO 6000 machine reports, and how to compute income with a formula.
OkuyunBuying a GPU Server in Bulgaria: Price, Lead Time, Warranty
What sets the price of a custom GPU server from Bulgaria, the real timeline from order to a running machine, the warranty and support after delivery.
OkuyunBuying a GPU Server in the EU: Specs, Lead Time, Warranty
A buyer's guide to GPU servers in the EU: why an EU build beats a US import, what to specify, realistic lead times and what to ask of the warranty.
OkuyunRTX 5090 vs RTX PRO 6000 Blackwell for AI Workloads
Same Blackwell silicon, two different missions. 32GB vs 96GB, ECC, server cooling and price - when the RTX 5090 is enough and when you need the PRO 6000. First-party notes from building both.
OkuyunWhy the RTX 3090 Is the Smartest Choice for Local AI
Why two RTX 3090s (48GB) beat a single 4090 for local AI: VRAM math, quantization, KV cache, and CUDA vs ROCm - with verified 2026 numbers.
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