Bob Summerwill

Selling the Mac mini M4 Pro from my AI home lab: 14-core CPU, 20-core GPU, 64 GB unified memory, 1 TB SSD, 10 Gigabit Ethernet and AppleCare+ until 2 March 2029. US$2,500 (≈ C$3,500) or nearest offer. Pickup in Vancouver or worldwide shipping at buyer's expense.

Brand new, still sealed in shrink wrap: a TP-Link TX401 10 Gigabit PCIe network adapter with a 2-year warranty, Aquantia AQC107 controller, RJ45 10GBase-T, low-profile bracket and 1.5 m CAT6A cable. US$55 (≈ C$78) or nearest offer. Vancouver pickup or worldwide shipping at buyer's expense.

Selling the dual RTX 3090 / Ryzen 9 9950X3D workstation from my AI home lab: 48 GB of VRAM, 64 GB DDR5, 4 TB NVMe and 10 GbE. US$5,100 (≈ C$7,200) or nearest offer. Pickup in Vancouver or worldwide shipping at buyer's expense.

Thunderbolt 3 external GPU enclosure, Razer Core X model RC21-0131, with a 650 W internal PSU and 100 W laptop charging. US$250 (≈ C$350) or nearest offer. Vancouver pickup or worldwide shipping at buyer's expense.

Genuine NVIDIA 4-slot NVLink HB bridge (P3657 / 900-13657-2500-000) for a pair of RTX 3090 or 3090 Ti cards. Original box and leaflet, daily proven use in Shadowfax, and video of it running. US$1,000 (≈ C$1,410) or nearest offer. Vancouver pickup or worldwide shipping at buyer's expense.

ASUS TUF Gaming GeForce RTX 5070 OC Edition, 12 GB GDDR7, bought new in November 2025 with original box, accessories, receipt and 3-year warranty. US$825 (≈ C$1,165) or nearest offer. Vancouver pickup or worldwide shipping at buyer's expense.

Selling my Milk-V Pioneer Box — a 64-core RISC-V (SOPHON SG2042) desktop with 128 GB RAM, 1 TB NVMe and four Ethernet ports. Barely used since the 2024 Crowd Supply delivery. US$1,300 (≈ C$1,800) or nearest offer.

There’s a growing narrative in crypto that AI agents will be a massive catalyst for blockchain adoption. Agents will never have bank accounts, they need to pay for things, therefore they need crypto. QED, number go up.

Content note: This post discusses suicide, mental health struggles, and grief.

Earlier this month I attended my second Bitcoin Conference, held at The Venetian Resort in Las Vegas.