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Black small-form-factor desktop tower, smooth matte finish, front USB ports and power button

DELL

DELL OptiPlex 3070 SFF desktop PC, i7-9700 3.0 GHz, 32GB DDR4, 1TB NVMe SSD, Windows 11 Pro

SKU CH-Z6C6-5MF62

Small-form-factor desktop with an 8-core Intel Core i7-9700, 32 GB DDR4 memory and a 1 TB NVMe SSD, running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 9th Gen
  • Memory size32 GB DDR4
  • Storage drive1 TB SSD
  • GraphicsIntel UHD Graphics 630
  • CPUi7 9700
  • Eight-core i7-9700 handles multitasking smoothly
  • 32 GB DDR4 memory keeps many apps responsive
  • 1 TB NVMe SSD boots Windows 11 Pro fast
  • Intel UHD 630 graphics drives dual displays via HDMI and DisplayPort
  • Small form factor fits tight desk spaces

Small-form-factor business desktop

The Dell OptiPlex 3070 SFF is a compact desktop built for office environments. It ships with Windows 11 Pro and an Intel Core i7-9700 processor running at 3.0 GHz with eight cores. Integrated Intel UHD Graphics 630 drives one DisplayPort and one HDMI output. The system includes 32GB of DDR4 memory and a 1TB NVMe PCIe SSD.

Sustained-load thermal behaviour

The eight-core CPU can reach a turbo frequency of 4.7 GHz during bursts. Air cooling in the slim chassis manages typical business workloads such as document editing and web browsing. Extended multi-threaded tasks will cause the processor to throttle toward its base clock as the small internal volume limits heat dissipation. Fan noise increases noticeably under continuous heavy load.

Installation notes and common issues

The unit arrives with the operating system preloaded and only a power cord in the box; no keyboard, mouse or monitor are supplied. Video connectivity requires DisplayPort or HDMI, so older VGA or DVI displays need an active adapter. The small-form-factor case restricts expansion to low-profile cards and offers no room for additional 3.5-inch drives. Wi-Fi is not included, so a wired Ethernet connection or a USB wireless adapter is necessary for network access.

How it compares

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

Price $361.99
Cheaper than about 62% of the 14,711 comparable items (median $494.99).
Memory size 32 GB DDR4
Higher than about 70% of the 5,840 comparable items (median 16 GB).
RAM capacity 32 GB DDR4
Higher than about 70% of the 13,125 comparable items (median 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 size32 GB DDR4
RAM capacity32 GB DDR4
Storage
Storage drive1 TB SSD
SSD storage1 TB 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
Previously Used, Seller Refurbished. Desktop may show minor signs of wear but will be in good condition.

Questions about this item

How loud and hot does the OptiPlex 3070 SFF get when the i7-9700 runs at 4.7 GHz all day with air cooling?

The 3070 SFF uses air cooling for the 8-core i7-9700. Under sustained load the fan ramps up but stays within typical office noise levels; the small chassis exhausts heat through the rear vent so desk clearance helps.

Which display cable do I need since the unit only has DisplayPort and HDMI?

You need a monitor with DisplayPort or HDMI input, or an active adapter for older VGA/DVI screens. The box includes only the power cord, so have the correct cable ready before first boot.

Will my legacy PCIe add-in card fit the 3070 SFF low-profile slots?

The small form factor accepts only low-profile (half-height) expansion cards. Full-height cards will not fit; verify your card ships with a low-profile bracket or plan to swap the bracket before installing.

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