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Small black desktop tower, compact business PC

DELL

DELL OptiPlex 3070 SFF desktop PC i7 9700 16GB 512GB NVMe

SKU CH-XJQN-YQN4X

Small-form-factor business desktop with an eight-core i7-9700, 16 GB DDR4 and a 512 GB NVMe SSD, running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 9th Gen
  • Memory size16 GB DDR4
  • Storage drive512 GB SSD
  • GraphicsIntel UHD Graphics 630
  • CPUi7 9700
  • Eight-core i7-9700 handles heavy workloads smoothly
  • 16 GB DDR4 memory keeps multitasking responsive
  • 512 GB NVMe SSD boots Windows 11 Pro in seconds
  • Small form factor fits tight desk spaces
  • HDMI and DisplayPort drive dual monitors easily

Compact business desktop

The Dell OptiPlex 3070 SFF is a small-form-factor desktop built around an Intel Core i7 9700 eight-core processor running at 3.00 GHz with Turbo Boost up to 4.7 GHz. It ships with 16 GB of DDR4 memory and a 512 GB NVMe PCIe SSD, plus Windows 11 Pro pre-installed. Integrated Intel UHD Graphics 630 drives the display outputs.

Build integration

The slim chassis uses air cooling and provides one DisplayPort and one HDMI port for video, with no VGA or DVI connectors, so older monitors will require an adapter or active cable. Four USB 3.1 Gen 1 ports and four USB 2.0 ports handle peripherals, while a single Gigabit Ethernet jack supplies wired networking. No keyboard, mouse, speakers or Wi-Fi are included, leaving those choices to the builder.

Bundled accessories and software

The package contains the desktop and a power cord only, with Windows 11 Pro already installed and licensed. The absence of a discrete graphics card means the integrated UHD 630 handles all video duties, which suits general office work but not GPU-accelerated workloads. Buyers who need wireless networking, additional video outputs or a dedicated GPU should plan for separate upgrades.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $344.99
Cheaper than about 64% of the 14,711 comparable items (median $494.99).
Memory size 16 GB DDR4
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name3070
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Core i7 9th Gen
CPUi7 9700
CPU modelIntel Core i7-9700
Processor cache12 MB L3 Cache
L3 cache per CPU12 MB
Memory
Memory size16 GB DDR4
RAM capacity16 GB DDR4
Storage
Storage drive512 GB SSD
SSD storage512 GB NVMe
Storage configurationPCI Express NVMe
Optical driveDVD
Second disc drive typeDVD
Disk controllerPCI Express NVMe
Display
Screen sizeNo Screen
Touch inputNo
Graphics
GraphicsIntel UHD Graphics 630
GPUIntel UHD 630
GPU interfaceIntegrated video
Audio & video
SpeakersSet Not Included
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Ethernet controllerIntegrated
Wi-FiNo
Bluetooth supportNo
Ports & slots
External ports1x Ethernet
Front USB ports4
Front audio jacks1
Video connectors1 DVI, 1 HDMI
Rear USB ports4
Ethernet port1 port
Rear audio jacks1
Size & build
Form factorSlim/Small Form Factor
Compatibility
Windows 11 supportReady
In the box
Included monitorNot included
Bundled mouseNot Included
In the boxDesktop Computer and Power Cord Only
Software
Operating systemWindows 11 Pro
More details
AI capabilityCopilot+ PC
Cooling methodAir Cooling
KeyboardNot Included

Condition and safety notices

Reproduced word for word from the maker or refurbisher: notices like these are not ours to rephrase.

Condition notice
Grade B - Desktop will show previous signs of use such as minor dents, minor scrapes and/or bezel imperfections. Desktop will be in perfect working order. Grade B units will typically be priced lower than the Grade A equivalent and will have the same warranty as all products.

Questions about this item

How long can the Intel Core i7 9700 sustain its 4.7 GHz turbo boost before thermal limits throttle it?

The small-form-factor chassis uses air cooling; under continuous all-core load the CPU will drop from its 4.7 GHz maximum turbo toward its 3.0 GHz base frequency as temperatures rise.

What noise and heat levels should I expect when the OptiPlex 3070 runs all day under load?

The integrated fan spins faster as the i7 9700 and Intel UHD 630 graphics generate heat, producing audible airflow in a quiet room while the case surface becomes warm to the touch.

Which display cable do I need to connect a monitor to the DisplayPort or HDMI output?

The system provides one DisplayPort and one HDMI port but no VGA or DVI; you must supply a compatible DisplayPort or HDMI cable for your monitor.

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