Best Used Servers for Homelab Beginners

The best used enterprise servers for starting a homelab. Dell PowerEdge, HP ProLiant, and Lenovo ThinkSystem buying guide with tips for eBay shopping.

Updated

Best Used Servers for Homelab Beginners

Used enterprise servers offer incredible value for homelabbers. Hardware that cost $5,000–$20,000 new can be found for $100–$300 on eBay. Here's what to look for and what to avoid.

Why Buy Used Enterprise Servers?

  • Massive specs for cheap: Dual CPUs, 128GB+ RAM, 8+ drive bays for under $300
  • Enterprise reliability: Built to run 24/7 in data centers
  • ECC memory: Error-correcting RAM prevents data corruption
  • Remote management: iDRAC (Dell) or iLO (HP) lets you manage the server remotely
  • Hot-swap everything: Drives, power supplies, fans — all replaceable without downtime

Best Used Rack Servers

Dell PowerEdge R720 / R720xd

Price: $100–$200 | Generation: 12th | CPUs: Dual Xeon E5-2600 v2

The R720 is the most popular homelab server ever. Cheap, powerful, well-documented.

  • Up to 768GB DDR3 ECC RAM (24 DIMM slots)
  • 8x 3.5" or 16x 2.5" drive bays (R720xd: 12x 3.5" + 2x 2.5")
  • iDRAC 7 with remote console
  • Dual redundant power supplies
  • PCIe Gen 3 expansion

Best for: First homelab server, NAS builds, general virtualization

Dell PowerEdge R730 / R730xd

Price: $200–$400 | Generation: 13th | CPUs: Dual Xeon E5-2600 v3/v4

The newer brother of the R720. Better CPUs, DDR4 RAM, and improved power efficiency.

  • Up to 1.5TB DDR4 ECC RAM
  • Same drive bay options as R720
  • iDRAC 8 with HTML5 console
  • Better power efficiency than R720

Best for: Those who want newer hardware and DDR4

HP ProLiant DL380 Gen8 / Gen9

Price: $100–$300 | Comparable to: Dell R720/R730

HP's equivalent to the PowerEdge line. Excellent build quality and thermal management.

  • Gen8: DDR3, Xeon E5-2600 v2 (like R720)
  • Gen9: DDR4, Xeon E5-2600 v3/v4 (like R730)
  • iLO 4/5 remote management
  • SmartArray RAID controller (can be put in HBA mode)

Best Used Tower Servers

If noise is a concern, tower servers are much quieter than rack servers.

Dell PowerEdge T620 / T630

Price: $150–$350 | Same internals as: R720/R730

Tower version of the PowerEdge rack servers. Same specs, much quieter.

  • Fits under a desk or in a closet
  • Whisper-quiet compared to rack servers
  • Same CPU, RAM, and drive options
  • No rack required

HP ProLiant ML350 Gen8 / Gen9

Price: $150–$300

HP's tower server line. Quiet, reliable, and well-built.

What to Look For When Buying

  1. Generation matters: Never go older than 12th gen Dell / Gen8 HP. Older servers use too much power and lack features.
  2. Check CPU compatibility: v2 CPUs are cheap. v3/v4 CPUs cost more but use DDR4 and are more efficient.
  3. RAM is cheap separately: Buy the server with minimal RAM, then buy RAM sticks separately for big savings.
  4. Check drive caddies: Many servers sell without drive caddies. Budget $5–$10 per caddy.
  5. Verify remote management: Make sure iDRAC/iLO works — it's essential for headless operation.
  6. Ask about noise: Some sellers list dB levels. Rack servers in a bedroom are not fun.

Where to Buy

  • eBay: Largest selection. Search "[model] homelab" for deals
  • r/homelabsales: Reddit community marketplace
  • Facebook Marketplace: Occasionally great local deals
  • Local e-waste recyclers: Sometimes sell servers cheap
  • govdeals.com: Government surplus auctions

What to Avoid

  • Servers older than 2012: Too power-hungry, limited software support
  • Blade servers: Require expensive chassis, very loud, high power
  • Servers without remote management licenses: iDRAC Enterprise / iLO Advanced make life much easier
  • "Untested" listings: Usually means "doesn't work"

Power Consumption Warning

Enterprise servers use significant power. A Dell R720 idles at 100–150W. At $0.12/kWh, that's $100–$130/year just in electricity. Factor this into your budget.

Getting Started

Once you have your server:

  1. Update firmware (BIOS, iDRAC/iLO, RAID controller)
  2. Install Proxmox VE (free hypervisor)
  3. Create your first VM or LXC container
  4. Join the r/homelab community and share your build

Bottom Line

A used Dell R720 or HP DL380 Gen8 for $100–$150 is the best value in homelabbing. You get enterprise-grade hardware that will run everything you throw at it. Just be prepared for some noise and a bump in your electric bill.