10 Best Computer Under 400 of December 2025

• This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high-performance bar may offer Certified Refurbished products on Amazon.com.
• Dell 7010 Intel I5 Quad-Core 3.2 GHz Processor
• What's Inside: 16GB RAM, 1TB SSD Hard Drive, DVW Optical Drive,
• Operating System: Windows 10 Professional
• Includes: USB Keyboard and Mouse

Dell

• Dell 7010 Intel I5 Quad-Core 3. 2 GHz Processor
• What's Inside: 16GB RAM, 2TB Hard Drive, DVW Optical Drive,
• Operating System: Windows 10 Professional
• Includes: USB Keyboard and Mouse

Dell

• This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box

HP

• Lightning Fast: Powered by Intel's top of the line Core i5 series processor and loaded with 16 GB of RAM, this machine will outperform the competition in any situation.
• Massive Storage: Packed with 2 TB of hard drive space, you can store all of the apps, games, photos, music and movies that you need.
• Get Connected: Comes with a vibrant 20-inch LCD Monitor (Brands may vary). The included Bluetooth 4.0 Adapter, Wi-Fi Adapter and Keyboard & Mouse will have you up and running with ease, keeping you connected. Microsoft's latest and best OS to date, Windows 10 Professional, will maximize the power and utility of your new machine.

Dell

• AMD Ryzen 3 3200U Dual Core Processor (Up to 3.5GHz); 4GB DDR4 Memory; 128GB PCIe NVMe SSD
• 15.6 inches Full HD (1920 x 1080) Widescreen LED backlit IPS Display; AMD Radeon Vega 3 Mobile Graphics
• 1 USB 3.1 Gen 1 Port, 2 USB 2.0 Ports & 1 HDMI Port with HDCP support
• 802.11ac Wi-Fi; Backlit Keyboard; Up to 7.5 Hours Battery Life
• Windows 10 in S mode. Maximum Power Supply Wattage 65 W

Acer

• The essential home computer: With an AMD processor and 4 GB of RAM, your family can seamlessly go from sending work emails to uploading vacation photos with ease
• A centerpiece for the home: This All-in-One PC displays more with an ultra-thin bezel and has an adjustable tilt stand allowing you to work from multiple perspectives and is designed to brighten any room
• Integrated FHD monitor and audio: 21.5 Inches diagonal widescreen FHD (1920 x 1080) IPS WLED-backlit micro edge monitor and front-facing speakers
• AMD A4 processor: 7th Generation AMD A4-9125 Processor, Dual-Core, 2.30 GHz
• Hard drive, memory, optical drive: 1 TB 7200RPM SATA hard drive, 4 GB DDR4-2133 SDRAM (upgradable to 16 GB), DVD-Writer
• HP HD privacy camera: This innovative webcam has a switch designed to cover the camera and disable video when not in use, keeping you safe online
• Keyboard and mouse: HP white wired keyboard with volume control and white wired optical mouse
• Operating system: Windows 10 Home.Audio features: Dual 2 W speakers.
• Ports: Headphone/Microphone Combo, 2 USB 3.1 Gen 1, 2 USB 2.0 (rear), HDMI Out (rear), 10/100/1000 Base-T Network, and an HP 3-in-1 Media Card Reader
• Warranty: One-year limited warranty with 24-hour, 7 days a week web support when shipped from and sold by Amazon.com and not a third party seller

HP

• RENEWED - This product is tested and certified to look and work like new. The product ships with all relevant accessories, a 90-day warranty, and will arrive in a generic box. Only select sellers who maintain a high performance bar may offer Renewed products on Amazon.com.
• ITEM - Dell Optiplex High Performance Desktop Computer, built with higher quality components perfect for business or home.
• SPECIFICATIONS - i5-3470 3.2GHz Quad Core CPU, 16GB RAM, New 480GB SSD Hard Drive (10x faster than standard mechanical drives), DVDRW, WiFi
• RUNS - Windows 10 Home x64 bit with a clean installation, no bloatware, and an Authentic Microsoft Genuine Windows 10 License.
• INCLUDES - USB Keyboard & Mouse, USB Wireless WiFi Adapter, and New Power Cord.

Dell

• POWERFUL PROCESSOR - Configured with Intel’s top of the line Core i7 series processor so you can expect lightning fast, reliable and consistent performance for an exceptional PC experience.
• MICROSOFT WINDOWS 10 LATEST RELEASE - A brand new installation of the latest Microsoft Windows 10 Operating System, free of bloatware commonly installed from other manufacturers. As Microsoft's latest and best OS to date, Windows 10 will maximize the utility of the PC for years to come.
• MICROSOFT AUTHORIZED REFURBISHED - Microsoft Authorized Refurbishers (MAR) are recognized as the leaders in refurbished computers for every environment. Following strict requirements and standards established by Microsoft, MAR providers ensure superior quality and a like-new professionally refurbished computer. Your computer will come with a legal Certificate of Authenticity (C. O. A. ) digitally rendered to the PC for an easy, secure and convenient set-up process.
• ABUNDANT STORAGE AND MEMORY – The combination of key integrated components power this PC to maximum performance: Arrives with a 16 GB Memory and 1TB Solid State Drive for efficient multi-tasking and robust hard drive space for files, apps, music and movies set this computer apart to excel at work, home or school. Included Peripherals: USB Keyboard and Mouse, USB WiFi Adapter
• CUSTOM TAILORED FOR A SECURE START - Configured to tackle all the most commonly needed tasks right out of the box - Connect to your business software or a client's files, upload data, track inventory, browse the internet or even stream movies & music, complete homework, store photos, and much more. All Renewed computers are backed by a 90 day and 90 day tech support to ensure a smooth, easy and secure introduction.

Dell

• This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high-performance bar may offer Certified Refurbished products on Amazon.com.
• (4) USB 3.0, (6) USB 2.0
• RJ-45, Serial Port, VGA, (2) Display Port, (2) PS/2
• Keyboard and Mouse Included
• Operating System: Windows 10 Pro 64 Bit – Multi-language supports English/Spanish/French.

Dell

• An Industry Leader: As a Microsoft Authorized Refurbisher, we pride ourselves on producing quality remanufactured PCs. Every machine is handled with care, and our experts are dedicated to giving them a new life. We are committed to reducing e-waste, and it is our goal to ensure each machine we process can satisfy our customers needs.
• Lightning Fast: Powered by Intel's top of the line Core i5 series processor and loaded with 16 GB of RAM, this machine will outperform the competition in any situation.
• Massive Storage: Packed with 2 TB of hard drive space, you can store all of the apps, games, photos, music and movies that you need.
• Get Connected: Includes a vibrant 20-inch LCD Monitor (Brands may vary). The included Keyboard & Mouse, USB Wi-Fi Adapter and USB Bluetooth 4.0 Adapter will have you up and running with ease, keeping you connected. Microsoft's latest and best OS to date, Windows 10, will maximize the power and utility of your new machine.
• Buy with Confidence: All Amazon Renewed items come with a 90-day warranty. Our customer care team will work to solve any issues or answer any questions you may have about your new machine. As a Microsoft Authorized Refurbisher, we're proud to provide customers with unmatched quality and care.

Dell