
Dell
Dell 390 Desktop PC with 22-inch Monitor (Renewed)
22in1TB HDD
A renewed Core i5 desktop with monitor included gives you a complete Windows 10 workstation at a fraction of the cost of new hardware.
$350.81*
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*Price sourced from Amazon.com. Last updated:Aug 30, 2026.Price and availability are subject to change — details.
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Overview
Key Features
DELL OptiPlex DT/SFF with Intel Core I5 upto 3.4GHz Processor. 8GB DDR3 Memory 1TB HDD.
Includes USB English Keyboard and Mouse, Office 365 30-day free trial.
Includes 22in Monitor (Brands May Vary)
Operating System: Windows 10 64 Bit – Multi-Language supports English/Spanish/French.
Specifications
Processor
Intel Core i5 (up to 3.4 GHz)
Memory
8GB DDR3
Storage
1TB HDD
Optical Drive
DVD
Display Outputs
VGA, HDMI
Operating System
Windows 10 64-bit (English/Spanish/French)
Included Monitor
22-inch (brand may vary)
Included Peripherals
USB Keyboard, USB Mouse
Software
Office 365 30-day free trial
Frequently Asked Questions
What generation is the Core i5 processor, and does it matter for everyday tasks?
The Dell OptiPlex 390 uses a second-generation Intel Core i5 (Sandy Bridge), clocked up to 3.4 GHz. For everyday productivity — web browsing, Office applications, video calls, and light document work — the single-core performance is adequate. You will notice limitations running modern browser-heavy workflows with many tabs open simultaneously, or any workload that benefits from newer instruction sets (AVX2, AES-NI acceleration in some applications).
Will 8GB of DDR3 RAM be enough, and can it be upgraded?
8GB DDR3 handles light to moderate multitasking in Windows 10 adequately. The OptiPlex 390 supports up to 16GB DDR3, so a RAM upgrade is feasible and inexpensive given DDR3 pricing. If your workload involves multiple browser sessions, Office alongside a video call, or any light virtual machine use, upgrading to 16GB would be the first recommended performance investment.
Does the 1TB HDD significantly affect system performance compared to an SSD?
Yes — the spinning HDD is the most impactful bottleneck in this configuration. Boot times, application launch speed, and file transfer rates are all measurably slower than an SSD-equipped system. Replacing the HDD with a SATA SSD (a straightforward swap on this chassis) would transform the day-to-day feel of the machine more than any other single upgrade.
What display outputs does the Dell 390 have, and will it work with my monitor?
The OptiPlex 390 provides both VGA and HDMI outputs. The bundled 22-inch monitor connects via one of these — monitor brand varies by unit. If you already have a monitor with either connection type, the second output is available for dual-display use, provided the integrated Intel HD graphics can drive two outputs simultaneously (it can on most 390 configurations).
Is Windows 10 on this machine still supported for productivity use?
Windows 10 reached end of mainstream Microsoft support in October 2025. It remains functional, but will no longer receive security updates, which is a relevant consideration for any internet-connected machine. For isolated internal-network use or air-gapped environments it's a non-issue; for general internet use, a Windows 11 upgrade evaluation is worth performing (hardware compatibility varies on this platform).