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

DELL

DELL OptiPlex 7770 27" all-in-one PC i7-9700 32 GB DDR4 512 GB SSD + 1 TB HDD Windows 11 Pro

SKU CH-R98K-6CQ5Q

A 27-inch Full HD all-in-one with an 8-core i7-9700, 32 GB DDR4 and dual 512 GB SSD plus 1 TB HDD storage

  • 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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  • Octa-core i7-9700 handles demanding workloads smoothly
  • 32 GB DDR4 memory keeps multitasking responsive
  • 512 GB M.2 SSD plus 1 TB hard drive stores everything
  • 27-inch 1920 x 1080 IPS InfinityEdge display shows sharp detail
  • Windows 11 Pro installed and ready for business use

Business all-in-one

The Dell OptiPlex 7770 is a 27-inch all-in-one computer built for office work. It ships with a 9th Gen Intel Octa-Core i7-9700 processor running at 3.0 GHz, 32 GB of DDR4 SODIMM memory and a dual-drive layout of 512 GB M.2 SSD plus 1 TB hard drive. Windows 11 Pro is pre-installed and a USB keyboard and mouse are included in the box.

Thermals and power

The integrated Intel UHD Graphics 630 and octa-core CPU share a single chassis cooled by internal airflow designed for typical business workloads. Power draw scales with the eight-core processor and 27-inch Full HD IPS display, while fan noise stays low during standard productivity tasks. No separate graphics card or additional cooling hardware is required.

Build integration

The system provides three USB 3.1 Gen 1 ports, one USB Type-C Gen 2 port, two USB 3.1 Gen 2 ports, a DisplayPort output, Gigabit Ethernet and a 3-in-1 SD card reader. Wireless connectivity uses integrated Wi-Fi and Bluetooth 5. The built-in HD TrueVision webcam and microphone cover video calls without extra peripherals. The stand offers tilt, swivel and pivot adjustment for ergonomic positioning.

How it compares

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

Price $855.99
Pricier than about 76% 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 11 Pro
Pre-installed softwareWindows 11 Pro
More details
KeyboardUSB Keyboard
Keyboard typeUSB Keyboard

Other versions of this model

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Questions about this item

How do I install additional DDR4 memory in the OptiPlex 7770, and which slot orientation mistake should I avoid?

Open the rear cover, align the notch on the 204-pin DDR4 SODIMM module with the key in the slot, press firmly until the side clips click, then replace the cover.

Which storage component in the 7770 is most likely to need replacement first, and what capacity should I match?

The 1 TB 2.5-inch hard drive has moving parts and typically fails before the 512 GB M.2 SSD; replace it with another 2.5-inch drive of equal or larger capacity.

What thermal limit appears first on the i7-9700 during sustained heavy workloads in this all-in-one?

The processor will hit its 4.70 GHz turbo ceiling and then throttle to stay within the chassis cooling limits, reducing clock speeds until temperatures drop.

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