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Storage & connectivity

SSDs, external drives, cables, charging and the specifications that matter.

Gray multiport accessory with an attached cable on a pale surface. — A multiport accessory is context for checking a dock's documented functions; no power rating or compatibility is established by this photograph. Photo by Aleksander Dumała via Pexels. License & image notes.

USB-C Power Delivery: Will 65W Charge Your Laptop?

Understand a conditional 65W charging example, monitor power output and cable checks. Cable-current discussion is explicitly scoped to the cited 2019 document.

Buying an SSD? Check Your System Manual, Not Just the NVMe Label

Build a documented SSD buying checklist. Separate communication labels from the exact system’s supported drive configuration and keep missing answers unresolved.

Why a 1 TB Drive Can Show About 931 GiB

Convert decimal bytes to binary GiB and understand why a 1 TB drive can show about 931 GiB—without assuming every capacity difference is harmless.

exFAT or APFS? Compare External-Drive Formats for Your Devices

Compare APFS for supported Mac workflows with exFAT for Mac-and-Windows sharing. Check your device list before changing any drive format.

Mac Can Read an External Drive but Cannot Save: What to Check

Inspect free space, format and permissions when a Mac can open a drive but cannot save. A non-destructive checklist, not an erase or repair procedure.