Dr Jan van Niekerk – Page 3

Verify a Miner’s Hashrate Before Buying Used

April 19, 2026

Technician probing the exposed hashboards of an opened ASIC miner with a laptop showing a live hashrate graph behind — verify a miner’s hashrate before buying used, by Sell Your PC South Africa.

Learn how to verify a used ASIC miner’s hashrate before you pay. Physical checks, web UI diagnostics, live pool testing, and SA-specific buyer tips included.

Uptime Math: How 1% Downtime Eats ROI

April 18, 2026

Crypto Mining Profitability and Costs (ROI)

Stacked rack of ASIC miners with blue status LEDs in a neon-lit data hall corridor, one fan slot dark to suggest downtime — uptime math: how 1% downtime eats ROI, by Sell Your PC South Africa.

Discover how just 1% mining downtime silently erodes your ROI. Includes a step-by-step loss calculator, SA load shedding context, and uptime monitoring tools.

Mining 201: Pools, Payouts and Variance

April 17, 2026

Crypto Mining Tutorials

Three home ASIC miners cabled into a router with a glowing 'Miners → Pools → Wallets' diagram overlay, wooden Big Five carvings and Table Mountain artwork — mining pools, payouts and variance explained by Sell Your PC South Africa.

Learn how mining pool payout schemes like PPS, PPLNS and FPPS work, why your earnings vary, and how to pick the right pool for your home mining setup in SA.

Why Selling to Sell Your PC Is the Safest Way to Sell

April 16, 2026

Safety and Security Tips Used Electronics

A customer handing over a used laptop and shaking hands with a Sell Your PC South Africa representative at a Cape Town office reception with Table Mountain through the window — the safest way to sell a used laptop or PC.

Selling a used laptop or PC privately in South Africa comes with real risks. Learn why selling to Sell Your PC is safer, faster, and fraud-free.

Solo Mining vs Pool Mining in 2026: When It Makes Sense

April 15, 2026

Crypto Mining Mining Pools

Split-screen of a lone solo ASIC miner under an Eskom meter on the left and a row of glowing pool miners with a rising payout chart on the right, both labelled 2026 — solo mining vs pool mining in 2026 by Sell Your PC South Africa.

Solo or pool mining in 2026? Learn the real tradeoffs, payout structures, and what South African miners need to factor in before deciding.

Noise Reduction Without Cooking the Miner

April 14, 2026

ASIC Miners Crypto Mining

DIY soundproof timber box housing an ASIC miner with flexible silver intake and exhaust ducts running through the wall of a home workshop — noise reduction without cooking the miner, by Sell Your PC South Africa.

Learn how to reduce ASIC miner noise without overheating using airflow math, firmware fan control, and smart enclosure design. Practical guide for SA home miners.

Best Places to Buy and Sell Used Gaming Equipment in SA

April 13, 2026

Safety and Security Tips Used Electronics

Wooden-table flat-lay of used gaming equipment — GPU with copper heatpipes, headphones, gamepad, USB drive, game disc and a South African R100 note — best places to buy and sell used gaming equipment in SA, by Sell Your PC South Africa.

Find the best platforms to buy and sell used gaming equipment in South Africa in 2026, with safety tips, scam warnings, and a practical checklist.

BBBEE and IT Asset Disposal: Choosing a Compliant ITAD Partner

April 11, 2026

Corporate Asset Disposal Professional Services

Executive reviewing a B-BBEE compliance certificate at a Cape Town office overlooking Table Mountain, beside a trolley of stacked decommissioned laptops and a server — choosing a B-BBEE-compliant ITAD partner in South Africa, by Sell Your PC South Africa.

Learn how to choose a BBBEE-compliant ITAD partner in South Africa. Covers scorecard mechanics, e-waste law, POPIA, and a full vendor checklist.

Nationwide IT Asset Collection: How Corporate Disposal Works Across SA

April 10, 2026

Corporate Asset Disposal Professional Services

Technician scanning pallets of decommissioned desktop PCs labelled SA E-Waste Asset Disposal in a large warehouse, with a South Africa map silhouette on the wall — nationwide IT asset collection, by Sell Your PC South Africa.

Learn how to run a compliant, nationwide corporate IT asset disposal programme in South Africa. Covers POPIA, e-waste law, ITAD logistics, and vendor selection.

Server Disposal in South Africa: Why Servers Require Special Handling

April 9, 2026

Corporate Asset Disposal Professional Services

Two ITAD technicians in blue overalls de-racking a rack-mount server in a clean data hall, with E-Waste for Recycling bins lining the cold aisle — server disposal in South Africa, by Sell Your PC South Africa.

Learn how to dispose of corporate servers in South Africa the right way. Covers POPIA obligations, e-waste law, data destruction methods, and ITAD best practices.

Posts by Dr Jan van Niekerk

Verify a Miner’s Hashrate Before Buying Used

Uptime Math: How 1% Downtime Eats ROI

Mining 201: Pools, Payouts and Variance

Why Selling to Sell Your PC Is the Safest Way to Sell

Solo Mining vs Pool Mining in 2026: When It Makes Sense

Noise Reduction Without Cooking the Miner

Best Places to Buy and Sell Used Gaming Equipment in SA

BBBEE and IT Asset Disposal: Choosing a Compliant ITAD Partner

Nationwide IT Asset Collection: How Corporate Disposal Works Across SA

Server Disposal in South Africa: Why Servers Require Special Handling

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