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27-inch all-in-one desktop in black and silver with integrated display and stand

DELL

DELL OptiPlex 7770 27" all-in-one PC i7-9700 3.0GHz 16GB 256GB SSD

SKU CH-BSMC-G0P8B

27-inch all-in-one business PC with 9th-generation octa-core processor, 16 GB DDR4 memory, 256 GB SSD and Windows 11 Pro

  • Screen size27 in (68.6 cm)
  • ProcessorIntel Core i7 9th Gen
  • Memory size16 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 16GB DDR4

SSD 256GB

Size 27"

Touch None-Touch

  • 27-inch Full HD IPS InfinityEdge display for crisp visuals
  • 9th Gen Intel octa-core i7-9700 up to 4.70 GHz for responsive multitasking
  • 16 GB DDR4 memory and 256 GB SSD for fast boot and load times
  • Windows 11 Pro pre-installed with USB keyboard and mouse included
  • Wi-Fi, Bluetooth 5, USB Type-C and multiple USB 3.1 ports for versatile connectivity

27-inch all-in-one for business users

The Dell OptiPlex 7770 integrates a 27-inch Full HD IPS display with a 9th Gen Intel Core i7-9700 processor running at 3.0 GHz. It ships with 16 GB of DDR4 SODIMM memory and a 256 GB solid-state drive. Windows 11 Pro is pre-installed alongside a USB keyboard and mouse for immediate deployment.

Sustained workload behaviour

The octa-core processor reaches 4.70 GHz under load while the integrated Intel UHD Graphics 630 handles everyday visual tasks without a discrete card. Thermal design in the all-in-one chassis manages heat during extended office sessions, though graphics-intensive rendering will hit the limits of the shared-memory GPU.

Installation notes and common issues

The unit arrives assembled; simply connect power and peripherals via the available USB 3.1, USB Type-C, DisplayPort and SD card slots. Memory upgrades use 204-pin SODIMM slots and storage uses a 2.5-inch drive bay — both require opening the rear cover. Buyers who need discrete graphics performance or user-replaceable display panels should consider a separate tower and monitor combination.

How it compares

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

Price $717.99
Pricier than about 55% 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 16 GB DDR4 SODIMM
Typical for this category: the median of 1,818 items is 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 size16 GB DDR4 SODIMM
RAM capacity16 GB DDR4
RAM type and speedDDR4
Memory configuration8 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

How much power does the i7-9700 draw during an all-day workload?

The 9th Gen Intel Octa-Core i7-9700 has a base frequency of 3.0 GHz and can reach up to 4.70 GHz across its 8 cores and 8 threads.

Do I need to buy a separate keyboard and mouse to use this all-in-one?

A USB keyboard and USB mouse are included in the box, so no extra input devices are required.

Can I connect my older DisplayPort monitor as a second screen?

Yes, the chassis provides a DisplayPort output that supports an additional external display alongside the built-in 27" 1920 x 1080 IPS panel.

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