Bob Summerwill

Unlocked iPhone 13 Pro 256 GB in Graphite. 84% battery health, fully functional, clean edges and back; the screen has light surface scuffs but no cracks. C$400, Vancouver pickup only.

Sold my 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. Listed at US$2,500 (≈ C$3,500); sold for C$3,500 (≈ US$2,500) after 3 days.

Returned — no longer for sale. A brand-new, sealed 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.

Sold my 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. Listed at US$5,100 (≈ C$7,200); sold with the NVLink bridge for C$8,500 (≈ US$6,000) after 3 days.

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.

Sold with the Shadowfax dual RTX 3090 workstation. Genuine NVIDIA 4-slot NVLink HB bridge (P3657 / 900-13657-2500-000) for a pair of RTX 3090 or 3090 Ti cards, with its original box and leaflet and video of it running.

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.

Sold my Milk-V Pioneer Box — a 64-core RISC-V (SOPHON SG2042) desktop with 128 GB RAM, 1 TB NVMe and four Ethernet ports. Listed at US$1,300, sold for US$1,000 after 13 days.

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.