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Choosing Hardware for Your Unraid Server

I’m definitely not an engineer, just a regular Unraid user sharing what’s worked for me (and what I see others do). There are many hardware options: building a PC, repurposing a home NAS, or using a used enterprise server. Below are my notes, with examples and links to gear that I (and the community) have found reliable. Always double‑check compatibility (motherboard slots, PSU wattage, drive interfaces, etc.) before buying anything.

Disclaimer: Prices and availability change, and these are just suggestions to kickstart your research. Confirm exact specs for your needs.

Consumer PC Build

Building an Unraid box from PC parts gives the most flexibility. You can pick a friendly case, a known‑good PSU, and add as many drives as you need:

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Reusing a Consumer NAS

Disclaimer: We don’t recommend buying a consumer NAS specifically to run Unraid, as there are much better options if you are buying new hardware and this may require advanced firmware hacks. However, if you already have old NAS hardware, it may be possible to repurpose it for Unraid.

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Used Enterprise Servers

Many homelabbers look to refurbished rackmount servers because they offer enterprise‑grade hardware at a fraction of the original cost. Major brands like Dell and HP produced these in huge numbers, and most companies follow refresh policies that rotate perfectly good gear out every 3–5 years, making the second‑hand market full of great deals on renewed servers.

Examples: Dell PowerEdge R720 (Renewed) Server, dual CPUs, 8×3.5″ bays. HP ProLiant DL380 Gen9 (Renewed) Server, dual CPUs, 12×2.5″ bays. Many others (R730xd, T620, etc.) also work. Ensure RAID controllers are flashed to IT mode for Unraid.

Recommended HBAs

To pass drives directly to Unraid:

Note: When in IT mode (initiator target mode), these controllers bypass all RAID layers and pass disks directly to Unraid, enabling full SMART visibility and parity control.

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Drive Expansion Options

If you need more drive slots than your main chassis provides, here are a few common ways to expand:

Note: A drive cage like the READYXIO isn’t a standalone JBOD or DAS—it’s simply an internal tray system. For true external expansion, look for USB/eSATA DAS units or SAS JBOD enclosures.

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Networking for Your Unraid Server

Unraid works fine on standard 1 GbE networking, but storage transfers and VM workloads can quickly saturate that. Upgrading to at least 2.5 GbE (2.5 Gigabit Ethernet) is a great step for most homelabs, and 10 GbE unlocks true high‑performance networking for heavy media editing or multi‑user setups.

Why Go Beyond 1 GbE?

Recommended Entry‑Level Gear

High‑Speed Options for Bigger Setups

Mixing 2.5 GbE and 10 GbE

You don’t need everything in your network to run at the same speed. Many homelabs run a mix:

Tip: Plan Your Cabling

2.5 GbE runs fine on existing Cat5e cabling over short distances. For 10 GbE, use Cat6a or higher for RJ‑45 runs, or go SFP+ with DAC or fiber for better efficiency and longer distances.

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Optional Accessories

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Hardware Comparison Table

Option Pros Cons
DIY PC Build Customizable, easy to upgrade More assembly & research needed
Repurposed NAS Pre‑built chassis, often quiet Limited upgrades, firmware hacks
Enterprise Server High drive count, powerful CPUs Loud, high power draw, flashing RAID
External JBOD Easy way to add drives Extra cables/space needed

Wrapping Up

There are many paths to a great Unraid server, from self‑built towers to repurposed NAS boxes or rack servers. The best choice depends on your budget, noise tolerance, and how many drives you need. The links above point to gear that Unraid users have success with. Thanks for reading!

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