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27 inch all-in-one desktop in black and silver finish

DELL

Dell OptiPlex 7770 27" All-in-One PC i7-9700 64 GB DDR4 256 GB SSD Windows 11 Pro

SKU CH-8BA5-KH68H

A 27-inch all-in-one desktop with 1920 x 1080 IPS display, Intel Core i7-9700 processor, 64 GB DDR4 memory and 256 GB SSD running Windows 11 Pro

  • Screen size27 in (68.6 cm)
  • ProcessorIntel Core i7 9th Gen
  • Memory size32 GB DDR4 SODIMM
  • Storage drive2.5 in 256 GB Solid State Drive (SSD)
  • GraphicsIntel UHD Graphics 630
  • ChipsetIntel Q270 chipset

CPU Intel Core i7 9th Gen

RAM 64GB DDR4

SSD 256GB

Size 27"

Touch None-Touch

  • Octa-core i7-9700 delivers responsive multitasking for business workloads
  • 64 GB DDR4 memory keeps many applications running smoothly together
  • 256 GB SSD provides fast boot and quick file access
  • 27-inch Full HD IPS InfinityEdge display shows crisp 1920 x 1080 visuals
  • Windows 11 Pro pre-installed with USB keyboard and mouse included

Business all-in-one with 27-inch display

The Dell OptiPlex 7770 integrates a 27-inch Full HD IPS InfinityEdge panel with a 9th Gen Intel Octa-Core i7-9700 processor. It ships with 64 GB of DDR4 SODIMM memory and a 256 GB 2.5-inch solid-state drive. Windows 11 Pro is pre-installed for immediate deployment in office environments.

Included peripherals and connectivity

A USB keyboard and mouse are bundled so the system is ready to use out of the box. Wireless connectivity covers Wi-Fi and Bluetooth 5. Ports include three USB 3.1 Gen1, one USB Type-C Gen2, two USB 3.1 Gen2, DisplayPort, Gigabit Ethernet and a 3-in-1 SD card reader. An HD TrueVision webcam with integrated microphone handles video calls.

Simple desk setup with fixed hardware

The all-in-one form factor eliminates separate tower and monitor cabling; only a single power cord is required. Memory uses 204-pin SODIMM slots and storage uses a 2.5-inch bay, but the integrated design limits internal upgrades. Buyers who need discrete graphics, additional drive bays or user-replaceable CPU cooling should consider a traditional tower chassis instead.

How it compares

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

Price $797.99
Pricier than about 69% 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 capacity64 GB DDR4
RAM type and speedDDR4
Memory configuration32 GB x 2
Total memory slots2
Free memory slots0
Memory slots0/2
Max supported RAM64 GB
Storage
Storage drive2.5 in 256 GB Solid State Drive (SSD)
SSD storage256 GB
Hard driveNo
Storage configuration2.5 in 256 GB Solid State Drive (SSD)
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 11 Pro
Pre-installed softwareWindows 11 Pro
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Other versions of this model

5 more in the same range

Questions about this item

Will the 256 GB SSD or the 64 GB DDR4 SODIMM need replacement first?

The 256 GB SSD has a finite write endurance, while the 64 GB DDR4 SODIMM is solid-state with no wear mechanism; under typical business workloads the drive will reach its limit before the memory.

What limits sustained performance on the Intel i7-9700 in this 27-inch chassis?

The all-in-one thermal design restricts how long the octa-core processor can hold its 4.70 GHz turbo before throttling to the 3.0 GHz base clock.

How loud and hot does the system get when running all day?

Fan noise rises under continuous load as the compact cooler manages the i7-9700 heat, but the 27-inch IPS panel and integrated Intel UHD Graphics 630 add minimal extra warmth.

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