PiFlux · Volume 3
M.2 Storage
The M.2 Mod / HAT+, NVMe selection for the PiFlux chassis, boot-from-NVMe setup, and SD vs. NVMe
Stub — section skeleton authored 2026-06-27; prose to follow.
3.1 The M.2 Mod: What It Is
3.1.1 The Pi 5 PCIe path and HAT+
3.1.2 The M.2 Mod hardware
3.2 NVMe Selection
3.2.1 Form factor: 2230 vs. 2242
3.2.2 Performance tiers on PCIe 2.0 ×1
3.2.3 Endurance and write-cycle considerations
3.2.4 Recommended drives
3.3 SD vs. NVMe: Decision Framework
3.4 Boot-from-NVMe Setup
3.4.1 Bootloader configuration
3.4.2 Flashing the NVMe
3.4.3 First boot and verification
3.5 NVMe + SD Dual-Storage Layout
3.6 Resources
Table 1 — 6. Resources
| Resource | URL |
|---|---|
| PiFlux M.2 Mod (Carbon Computers) | https://carboncomputers.us/products/pi-flux |
| Pi 5 NVMe boot documentation | https://www.raspberrypi.com/documentation/computers/raspberry-pi.html |
| Pi 5 EEPROM bootloader reference | [VERIFY: direct link to BOOT_ORDER docs] |
| Vol 7 — OS Options & Multiboot | ../../PiFlux/02-inputs/volume_sources/vol7.md |
| Vol 4 — Power & Thermal (NVMe power budget) | ../../PiFlux/02-inputs/volume_sources/vol4.md |