Odroid

Odroid#

Hardkernel’s SBC family. The long-running Pi alternative; less flashy than Radxa’s Rock series but better-cooled, more opinionated about thermal design, and with the broadest x86 lineup of any small SBC vendor (the H-series runs Intel CPUs). The operator’s choice for fanless 24/7 workloads and for cases where x86 binaries must run.

Lineup#

Board

SoC

RAM

Note

Odroid N2+

Amlogic S922X, 4× A73 + 2× A53 @ 2.4 GHz

2 / 4 GB

The classic. Famously fast for its price; large passive heatsink.

Odroid M1

Rockchip RK3568B2, 4× A55 + 0.8-TOPS NPU

4 / 8 GB

Adds M.2 NVMe and PCIe; integrated NPU for light edge AI.

Odroid M1S

Rockchip RK3566, 4× A55 + 1-TOPS NPU

4 / 8 GB

Slimmer, lower-power M1 variant; on-board eMMC.

Odroid H3 / H3+

Intel N5105 / N6005 (x86)

up to 64 GB

Full x86 mini-PC. Dual 2.5 GbE; the operator’s sub-$200 Linux pentest host that runs anything x86.

Odroid HC4

Amlogic S905X3, 4× A55

4 GB

NAS-focused; two SATA bays.

Odroid C4

Amlogic S905X3, 4× A55

4 GB

Pi 4-class ARM board at a lower price.

I/O#

Interface

Notes

40-pin GPIO header

Pi-compatible pinout on the ARM boards (N2+, M1, C4).

PCIe / M.2

M1 has M.2 M-key (NVMe). H3 / H3+ have multiple M.2 slots.

USB

N2+ / M1: 4× USB 3.0. H3+: 4× USB 3.2 Gen 2.

Network

N2+ / M1 / C4: Gigabit. H3 / H3+: dual 2.5 GbE.

SATA

HC4 has two native SATA ports; M1 supports SATA via its PCIe lane.

Operator use#

  • Fanless 24/7 implant. N2+ in a heatsink case runs cool and silent for years; great for long-loiter callbacks.

  • Compact x86 pentest host. Odroid H3+ runs every x86 Linux pentest distro without translation; useful when the operator’s tooling assumes x86.

  • Self-hosted services on target’s network. Dual 2.5 GbE on the H3+ makes it credible as an OPNsense / pfSense / Suricata box that fits in a small case.

  • NAS / log sink. HC4 captures and stores wire dumps from a long-running collection op.

Tools#

Tool

Effect

Official Ubuntu images

Hardkernel maintains Ubuntu 20.04 / 22.04 images per board.

Armbian

Community alternative; usually with a more current kernel.

WiringPi (Odroid fork)

GPIO library; the N2+ and C4 work with the fork.

odroid-utility

Boot configuration, image writing, recovery.

Standard x86 distros (H-series)

Ubuntu, Debian, Proxmox; the H3 / H3+ is just a small PC.

References#

Contents