DELL
DELL OptiPlex 790 SFF Desktop PC i5 8 GB 1 TB
Small form factor desktop with quad-core Intel i5, 8 GB DDR3 RAM, 1 TB hard drive and Windows 10 Pro
- TypeStudent / Home Office
- Form FactorDIMM 240-pin
- UsageConsumer
- ColorBlack/Silver
- ProcessorIntel Quad-Core i5 (2.9GHz-3.30GHz)
- Processor Main Features64 bit Quad-Core Processor
- Ready for multitasking with Intel quad-core i5 at 2.9–3.30 GHz
- Smooth everyday performance backed by 8 GB DDR3 memory
- Ample file space on 1000 GB 3.5-inch SATA hard drive
- Windows 10 Pro 64-bit pre-installed for immediate setup
- Compact small form factor fits tight desk spaces
Compact desktop for everyday work
The Dell OptiPlex 790 SFF is a small-form-factor desktop built around an Intel quad-core i5 running at 2.9 to 3.30 GHz with 8 GB of DDR3 memory and a 1 TB 3.5-inch hard drive. It ships with Windows 10 Professional 64-bit pre-installed, a DVD-RW drive, USB keyboard and mouse, plus integrated Gigabit Ethernet, Wi-Fi and Bluetooth. The integrated Intel HD Graphics 2000 handles standard office displays.
Straightforward SFF access
The small-form-factor chassis opens with a latch so you can reach the two 240-pin DIMM slots, the 3.5-inch drive bay and the low-profile expansion slot. Memory upgrades use DDR3 modules only; the board supports a maximum of 16 GB. The slim case accepts only half-height cards, so full-height graphics or add-in cards will not fit. Cable routing is tight, so route SATA and power leads carefully when swapping the hard drive.
Verify your peripherals and space
Confirm your monitor has a VGA, DisplayPort or HDMI input that matches the video outputs on this unit. The system includes USB keyboard and mouse, so no PS/2 ports are required. Ensure the intended location accommodates the SFF footprint and allows airflow through the side vents. Check that your network infrastructure provides a wired Gigabit connection or that the built-in Wi-Fi meets your signal requirements.
Highlights
- Ready for multitasking with Intel quad-core i5 at 2.9–3.30 GHz
- Smooth everyday performance backed by 8 GB DDR3 memory
- Ample file space on 1000 GB 3.5-inch SATA hard drive
- Windows 10 Pro 64-bit pre-installed for immediate setup
- Compact small form factor fits tight desk spaces
Specifications
| Brand | DELL |
|---|---|
| Series | OptiPlex |
| Model | 790 |
| Part Number | 790 |
| Type | Student / Home Office |
| Form Factor | DIMM 240-pin |
| Usage | Consumer |
| Color | Black/Silver |
| Processor | Intel Quad-Core i5 (2.9GHz-3.30GHz) |
| Processor Main Features | 64 bit Quad-Core Processor |
| Memory | 8 GB DDR3 Desktop RAM |
| Storage | 3.5" 1000 GB Hard Drive (1TB) |
| Graphics | Intel HD Graphics 2000 |
| Audio | Sound card - Integrated |
| Ethernet | Gigabit Ethernet |
| Monitor | Monitor not included |
| Case | Small Form Factor (SFF) |
| Keyboard | USB |
| Mouse | USB |
| Operating System | Windows 10 Pro |
| Software Included | Windows 10 Pro Restore Media |
| Chipset | Intel Q65 |
| CPU Type | Intel Core i5 2nd Gen |
| Max Supported Qty | 1 |
| CPU Main Features | 64 bit Quad-Core Processor |
| GPU/VGA Type | Intel HD Graphics 2000 |
| Graphics Interface | Integrated video |
| Memory Capacity | 8GB DDR3 |
| Memory Speed | DDR3 |
| Memory Spec | 2 GB x 4 |
| Memory Slot (Total) | 4 |
| Memory Slot (Available) | 0 |
| Memory Slots (Available/Total) | 0/4 |
| Maximum Memory Supported | 16 GB |
| SSD | No |
| HDD | 1TB |
| HDD Interface | SATA |
| Optical Drive Type | DVD±RW |
| Screen Size | No Screen |
| Audio Chipset | Integrated |
| LAN Chipset | Integrated |
| LAN Speed | 10/100/1000Mbps |
| WLAN | 802.11a/b/g/n Wireless LAN |
| Front USB | 4 |
| Front Audio Ports | 2 |
| Video Ports | 1 VGA, 2 Display Ports |
| Rear USB | 6 |
| RJ45 | 1 port |
| Rear Audio Ports | 1x Headphone, 1x Microphone, 1x Line In |
| Keyboard Type | USB Keyboard |
| Mouse Type | USB Mouse |
| Dimensions (H x W x D) | 11.4 x 3.7 x 12.3 |
| Weight | 14Lbs |
Questions about this item
How do I confirm the Intel Quad-Core i5 is running at 2.9 GHz to 3.30 GHz after setup?
Open Task Manager in Windows 10 Pro, select the Performance tab, and watch the CPU frequency readout while the system idles and under load; it should sit near 2.9 GHz at rest and boost toward 3.30 GHz when all four cores are busy.
The listing mentions a USB keyboard and mouse — are any cables or adapters needed to use them?
No extra cables or adapters are required; both peripherals plug directly into the USB ports on the SFF chassis and work immediately with Windows 10 Pro.
The spec sheet notes max memory is 16 GB DDR3 — should I buy 8 GB more now or wait?
The board has four 240-pin DDR3 slots and supports up to 16 GB total; if you already run heavy multitasking, add another 8 GB matched kit now, otherwise the installed 8 GB handles typical home-office work.
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