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Voltarum Mini PC Guide
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Dell · 1-litre business PCs · 2019

Dell OptiPlex 7070 Micro

Good budget optionDiscontinued (still sold)

A cheap, quiet 1-litre PC with six cores and room for 32 GB: an easy start with Proxmox or a family desktop.

Processor
Intel Core i5-9500T
RAM
up to 32 GB
Network
1 × 1 GbE
Drive slots
2

Great fit for: Media server

—

Researched from manufacturer data and public reviews; not tested by us.· Last reviewed Oct 28, 2026

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What it is good for

Derived from the specs

Our rules applied to its specs. The reasons come from the data in the specification table. How the verdicts are decided

  • Home AssistantGood
    • Official or well-supported Home Assistant OS image
    • Takes an SSD or eMMC for the system
    • More processor than it needs: higher idle power
  • Media serverGreat fit
    • Intel Quick Sync: the best-supported transcoding in Plex and Jellyfin
    • Decodes HEVC 10-bit in hardware, not AV1
    • 2 internal drive slots for the library
  • Homelab / ProxmoxGood
    • Up to 32 GB of RAM in SO-DIMM slots
    • 6 threads
  • Router / firewallLimited
    • One network port: only as a 'router on a stick' with VLANs and a managed switch
  • NASGood
    • 2 internal drive slots (1× M.2 + 1× SATA)
    • 1 GbE network: about 110 MB/s at most
  • DesktopGood
    • Windows 11 supported
    • 6 threads, up to 32 GB of RAM
    • 3 displays at once
    • Fine for office and web; slow with many tabs or photo editing
  • Electronics / GPIONot suitable
    • No GPIO header: add a USB microcontroller board instead

Configurations and where to buy

Prices are editorial references (launch price and a typical street price on the date shown), not live prices. In 2026 the memory shortage has pushed many prices well above launch.

Prices are shown only if updated in the last 24 hours and may change; the retailer’s price at checkout applies. We may earn a commission from these links at no cost to you. Affiliate disclosure

Overview

Editorial opinion

Best for: A low-cost Windows desktop or a first Proxmox server.

Editorial opinionWould we buy it today?

Yes as a budget desktop or Proxmox box; for a router pick something with two ports.

Pros and cons

Editorial opinion

Pros

  • Up to 32 GB of RAM
  • NVMe slot plus a 2.5" bay
  • Cheap and plentiful renewed

Cons

  • One 1 GbE port
  • No PCIe slot
  • Older Quick Sync without AV1

Specifications

Factual data
General
Manufacturer
Dell
Type
Mini PC
Form factor
1-litre PC
Released
2019
Availability
Discontinued (still sold)
Processor and graphics
Processor
Intel Core i5-9500Tx86-64 · Coffee Lake Refresh
Cores / threads
6 / 6
Max clock
3.7 GHz
Processor power (TDP)
35 W
Graphics
Intel UHD Graphics 630
Hardware video decode
H.264, HEVC 8-bit, HEVC 10-bit (HDR), VP9
Hardware video encode
H.264, HEVC 8-bit, HEVC 10-bit (HDR)
Memory and storage
RAM options
8 / 16 GB
RAM type
DDR4-2666 SO-DIMM
RAM upgrades
2 SO-DIMM slot(s), up to 32 GB
M.2 slots
1
SATA bays / ports
1
Storage details
1× M.2 2280 NVMe + 1× 2.5" SATA bay
Network
Ethernet
1 × 1 GbE1× GbE (Intel I219-LM)
Wi-Fi
None
Displays, USB and expansion
Displays at once
3
Video outputs
DisplayPort, HDMI, optional third port
USB4 / Thunderbolt
No
GPIO header
No
Power, cooling and size
Power input
19.5 V adapter (65 or 90 W)
Power supply
External adapter
Adapter / max power
90 W
Cooling
Fan
Size (W × D × H)
183 × 178 × 36 mm
Volume
1.17 L

Intel Core i5-9500T: One generation newer than the i5-8500T and slightly faster; same graphics and video engine.

Source: Manufacturer specifications

Software support

Editorial opinion

How well each system installs and runs on it today (editorial assessment).

  • Windows 11Excellent
  • Linux (Debian, Ubuntu or vendor image)Excellent
  • Proxmox VEExcellent
  • Home Assistant OSExcellent
  • OPNsense / pfSense / OpenWrtGood

Measured

Factual data

Measured values with their source. We never invent figures.

No measured values yet.

Alternatives

Ryzen mini PCs

Minisforum MS-A2

Processor
AMD Ryzen 9 9955HX
RAM
96 GB
Network
4 × 10 GbE

Great fit for: Homelab / Proxmox · Desktop

Sixteen Zen 5 cores, two 10 GbE SFP+ ports, three SSD slots and a PCIe slot in two litres.

from $799 (typical price)Highly recommended

Intel N mini PCs

Beelink EQ14

Processor
Intel N150
RAM
16 GB
Network
2 × 2.5 GbE

Great fit for: Home Assistant · Media server · Router / firewall

Two Intel 2.5 GbE ports, two M.2 slots and a built-in power supply around an N150: the all-rounder home server.

from $385 (typical price)Highly recommended

Intel Core mini PCs

Minisforum MS-01

Processor
Intel Core i9-13900H
RAM
96 GB
Network
4 × 10 GbE

Great fit for: Media server · Homelab / Proxmox · Router / firewall · Desktop

The Intel twin of the MS-A2: 10 GbE SFP+, USB4, three SSD slots and Quick Sync.

from $679 (typical price)Recommended