Crypto Mining

Smartphone with a payment app and Africa map at the centre of a circle of African banknotes from Johannesburg, Lagos and Nairobi, joined by glowing remittance lines — XRP and Africa cross-border payments, by Sell Your PC South Africa.

March 5, 2026

XRP and Africa Cross-Border Payments

A practical, South Africa-focused look at where XRP could fit in African cross-border payments, what rails already exist, and how to spot hype vs proof.

Open PC test bench with a triple-fan GPU installed, multimeter and ESD strap to one side and a laptop running stress-test graphs — how to test a used GPU safely, by Sell Your PC South Africa.

March 3, 2026

Test a Used GPU Safely

Learn how to test a used GPU safely in South Africa with inspection steps, clean drivers, VRAM checks, stress tests, logging, and buyer proof pack.

Technician probing the motherboard of an open desktop PC with a multimeter, with an overloaded multi-plug power strip on top of the case — diagnosing random restarts or sudden shutdowns, by Sell Your PC South Africa.

March 2, 2026

Random Restarts or Sudden Shutdowns

Learn how to diagnose PC random restarts and sudden shutdowns in South Africa. Follow safe PSU tests, interpret Event ID 41, and know when to replace.

Two used laptops on a woven table runner beside a notebook headed REPAIR? SELL? with handwritten pros and cons and a precision screwdriver set — should you repair or sell your laptop, by Sell Your PC South Africa.

March 1, 2026

Repair or Sell Your Laptop?

Use a simple South African cost vs value framework to decide if you should repair, sell as-is, trade in, or recycle your laptop safely and securely.

Windows 11 laptop showing Task Manager CPU and memory performance graphs beside a small desktop fan, with a power strip under the desk — Windows 11 laptop slow? 15 fixes, by Sell Your PC South Africa.

February 28, 2026

Windows 11 Laptop Slow? 15 Fixes

Speed up a slow Windows 11 laptop with 15 practical fixes, from updates and startup apps to storage cleanup and safe repairs, plus when to upgrade or sell.

South African outbuilding mining setup with four ASIC miners on a shelf, large silver ducting exhausting hot air outside and an immersion-cooling tank — mining hardware trends 2026: noise and cooling, by Sell Your PC South Africa.

February 21, 2026

Mining Hardware Trends 2026

South African mining hardware trends for 2026, focused on J/TH efficiency, air vs hydro vs immersion cooling, and practical noise control for homes and farms.

Older single-fan ASIC miner on a steel shelf beside a wall electrical panel, large round duct fan and a stack of battery cabinets — new vs used ASIC miners: what makes sense, by Sell Your PC South Africa.

February 20, 2026

New vs Used ASIC Miners: What Makes Sense

Decide whether to buy new or used ASIC miners in 2026. Learn SA import VAT basics, load shedding risk planning, and a used-miner inspection checklist.

February 18, 2026

Mine Bitcoin or Sell Hashrate?

Compare mining BTC to a pool vs selling SHA-256 hashrate on NiceHash. Learn how difficulty, payout methods, fees, and SA power costs change outcomes.

South African outbuilding showing an Eskom prepaid meter, a mining rig on a cart, an outdoor diesel generator and rooftop solar panels — Eskom vs solar vs generator: cost per kWh for mining, by Sell Your PC South Africa.

February 9, 2026

Eskom vs Solar vs Generator: Cost per kWh

Learn how to calculate true all-in R/kWh for crypto mining in South Africa across Eskom, solar PV, and diesel generators, including fixed charges and losses.

Crypto Mining Tutorials