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Black and silver 27-inch all-in-one desktop with integrated display, keyboard and mouse

DELL

DELL OptiPlex 7770 27" All-in-One PC i7-9700 32GB 512GB+1TB

SKU CH-1ZYX-311BH

27-inch Full HD business all-in-one with an 8-core i7-9700, 32 GB DDR4, 512 GB M.2 SSD plus 1 TB hard drive, and Windows 10 Pro

  • Screen size27 in (68.6 cm)
  • ProcessorIntel Core i7 9th Gen
  • Memory size32 GB DDR4 SODIMM
  • Storage drive2.5 in 512 GB M.2 Solid State Drive (SSD) + 1 TB (1,000 GB)
  • GraphicsIntel UHD Graphics 630
  • ChipsetIntel Q270 chipset

CPU · RAM · SSD · Screen · Touch · Other Intel Core i7 9th Gen · Intel Core i7-9700 · 32GB DDR4 · 512GB · 27" · None-Touch · 1TB HDD + 512GB SSD

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  • 27-inch Full HD IPS InfinityEdge display for crisp visuals
  • 9th Gen Intel Core i7-9700 octa-core processor up to 4.70 GHz
  • 32 GB DDR4 memory with 512 GB M.2 SSD plus 1 TB hard drive
  • HD TrueVision webcam with mic plus Bluetooth 5 and Wi-Fi
  • USB Type-C Gen 2 plus multiple USB 3.1 ports and DisplayPort

Business All-in-One with Octa-Core i7

The Dell OptiPlex 7770 integrates a 27-inch Full HD IPS display with a 9th Generation Intel Core i7-9700 processor running at 3.0 GHz up to 4.70 GHz. It ships with 32 GB of DDR4 SODIMM memory and a dual-drive configuration comprising a 512 GB M.2 SSD plus a 1 TB hard drive. Windows 10 Pro is pre-installed for immediate deployment in professional environments.

Passive Thermal Design and Connectivity

The all-in-one chassis houses the Intel UHD Graphics 630 and octa-core processor without discrete cooling fans, relying on convection airflow for silent operation during typical office workloads. Power draw remains modest thanks to the integrated graphics and 64-bit architecture. Gigabit Ethernet, Wi-Fi and Bluetooth 5 provide flexible network options while the integrated sound card handles audio without additional hardware.

Compact Desk Footprint and Expandability

The InfinityEdge display reduces bezel width, freeing desk space compared to separate monitor and tower setups. A 3-in-1 SD card reader, DisplayPort output, three USB 3.1 Gen 1 ports, one USB Type-C Gen 2 port and two USB 3.1 Gen 2 ports accommodate peripherals and external storage. The included USB keyboard and mouse complete the package so no extra accessories are required for standard office use.

How it compares

Measured against everything we stock in All-in-One PCs, at today’s prices. Recalculated every night.

Price $806.99
Pricier than about 70% of the 4,281 comparable items (median $690.99).
Screen size 27 in (68.6 cm)
Higher than about 90% of the 4,191 comparable items (median 23 in).
Memory size 32 GB DDR4 SODIMM
Higher than about 70% of the 1,818 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineOptiPlex
Model name7770
Part number7470
Product typeAll-in-One PC
Recommended useBusiness
Product colorBlack/Silver
Processor
ProcessorIntel Core i7 9th Gen
CPU9th Gen Intel Octa-Core i7-9700 3.0 GHz
CPU modelIntel Core i7-9700
CPU socketLGA 1151
ChipsetIntel Q270 chipset
CPU bus speed8 GT/s DMI3
Memory
Memory size32 GB DDR4 SODIMM
RAM capacity32 GB DDR4
RAM type and speedDDR4
Memory configuration16 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM64 GB
Storage
Storage drive2.5 in 512 GB M.2 Solid State Drive (SSD) + 1 TB (1,000 GB) Hard Drive
SSD storage512 GB
Hard drive1 TB
Storage configuration2.5 in 512 GB M.2 Solid State Drive (SSD) + 1 TB (1,000 GB) Hard Drive
Drive interfaceSATA
Display
Screen size27 in (68.6 cm)
Touch inputNo
Display resolution1920 × 1080
Type of screenNon-Touch Screen
Display capabilities1920 × 1080 (Full HD) LED
Graphics
GraphicsIntel UHD Graphics 630
GPUIntel UHD Graphics 630
GPU modelIntel UHD Graphics 630
GPU interfaceIntegrated video
Audio & video
SoundSound card - Integrated
Audio chipIntel High Definition Audio with Waves MaxxVoice Pro
Web cameraYes
Speaker setupInternal Speaker
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wireless adapterIntergrated
Ethernet controllerIntegrated
Wi-Fi802.11a/b/g/n Wireless LAN
Bluetooth support4.1
Ports & slots
Front USB ports2 x USB 3.0 (SIDE)
Front audio jacks1 x Headphone Jack (side)
Memory card readerYes
Video connectors1 x Display Port, 1x HDMI, 1 x HDMI out
Thunderbolt 3 supportYes
Rear USB portsUSB 3.1 Gen 1 × 2 (side, one with Type-C for data only and one with PowerShare)
/ USB 3.1 Gen 1 × 4 (rear)/ USB2.0 × 2 (rear)
Ethernet port1 port
Rear audio jacks1 x Audio line-out connector
Size & build
Form factorSoDIMM 204-pin
Overall dimensions15.47 in × 22.65 in × 2.5 in
In the box
Bundled mouseUSB Mouse
Pointing deviceUSB Mouse
In the boxPower Cord, Dell USB KB & Mouse, Windows 10 Activaion Instuctions
Software
Operating systemWindows 10 Pro
Pre-installed softwareWindows 10 Pro
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Other versions of this model

5 more in the same range

Questions about this item

How do I install the SoDIMM 204-pin DDR4 memory in the OptiPlex 7770, and which step is often missed?

Remove the rear cover, insert the module at an angle into the slot, then press down firmly until both side clips click; the step most people miss is pressing down hard enough to engage both clips.

What maintenance or replacement will the 1TB hard drive need later?

The mechanical 1TB drive will eventually wear out; plan to replace it with another 2.5-inch drive and reinstall Windows 10 Pro from recovery media.

What limit appears first during sustained heavy workloads on the i7-9700 with Intel UHD Graphics 630?

The integrated UHD 630 graphics thermal ceiling is reached first, causing the GPU to throttle clocks before the CPU hits its own limits.

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