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HP 400 G1HP ProDesk 400 G1 Desktop PC i7-4770 4GB 1TB HDD No OS Installed Computer

Excellent Grade · Fully tested · No visible marks
SKU: R-6173-EXC
4.76
★★★★★
710 reviews
12mo
Warranty
30day
Free returns
40+
Tech-tested checks
✓ Fast AU shipping ✓ Pickup: Springvale VIC
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$179.00 $239.00

You save $60

or 4 interest-free payments of $44.75 with

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Perks you get with every purchase

Warranty
If your item experiences a technical issue, we've got you covered—we'll either repair it or replace it for you!

30 days to change your mind
Feel free to return your item for any reason within the first 30 days of receiving it. It's that easy!

Free express shipping
Enjoy fast, free express shipping on all small items like laptops, tablets, and smartphones!

Customer support
Rest assured, we’ll always respond to you within 1 business day!

Frequently asked questions

What does the warranty cover?

Our warranty covers all hardware faults, but please note it doesn’t cover accidental damage or software issues. However, we’re here to help with technical support for those matters!

What is a refurbished device?

A refurbished device is a pre-owned item that has been restored to meet high-quality standards. At Reboot IT, we adhere to strict quality guidelines, ensuring that our refurbished products are not the same as used or secondhand items. We meticulously clean, test, and assess each device, replacing worn parts with high-quality components.

Unlike used items, which lack guarantees and rely solely on the seller's word regarding condition, refurbished devices come with assurance of quality and reliability.

What payment options are available?

We offer a variety of payment options to make your shopping experience as convenient as possible! You can pay using all major credit cards, Apple Pay, Google Pay, Shop Pay, Afterpay, Zip Pay, and PayPal. If you prefer, we also accept bank deposits and even cash for in-store purchases!

Safe & Secure

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

We ensure secure processing of your payment information and do not retain or have access to your credit card details.

Description

HP ProDesk 400 G1 SFF — Quad-Core i7 Barebones Desktop (No OS)

A compact HP ProDesk 400 G1 small-form-factor desktop with a quad-core Intel Core i7-4770, 4GB DDR3 and a 1TB hard drive, supplied without an operating system — a clean, ready-to-build base for your own OS install. Professionally tested and backed by a 12-month Reboot IT warranty.

  • Quad-Core Intel Core i7-4770: Four cores with Hyper-Threading (3.4GHz, Turbo to 3.9GHz) — genuinely capable performance for office, admin and light multitasking.
  • Dual-Display Ready: DVI and VGA outputs drive two monitors for a proper multi-screen productivity setup.
  • 1TB Storage + DVD Burner: A roomy 1TB hard drive for files, plus a SuperMulti DVD writer for optical media.
  • Your Build, Your OS: Ships with no operating system — install Windows or a lightweight Linux distribution and you have a fresh, bloat-free machine.
  • Plenty of Ports: Two USB 3.0, six USB 2.0 and Gigabit Ethernet for all your peripherals.
  • Compact SFF Design: A small footprint that tucks neatly onto or under a desk, ideal for offices tight on space.

Performance in Use

The ProDesk 400 G1 is best thought of as a value business workstation and project base. It ships without a storage OS installed, which makes it ideal for IT teams that image their own builds, tinkerers, or anyone wanting a cheap, dependable box for a specific job. Fit your preferred operating system and it's ready for everyday office duties.

With the quad-core i7-4770 and 4GB of RAM, the 400 G1 comfortably handles web browsing, email, word processing and spreadsheets. It is a strong candidate for a lightweight Linux install, which runs briskly on this hardware, or an older Windows build for line-of-business applications. Adding an SSD (in place of or alongside the 1TB drive) transforms responsiveness for very little cost.

The DVI and VGA outputs let you run a comfortable dual-screen setup. Paired with the Gigabit Ethernet and generous USB provision, the 400 G1 makes a capable reception, back-office, workshop or point-of-sale machine. Given its age, it is not intended for modern gaming or heavy creative workloads — think honest, low-cost business computing.

Technical Specifications

Specification Details
Model HP ProDesk 400 G1 Small Form Factor
Processor Intel Core i7-4770, 4 cores / 8 threads, 3.4GHz (Turbo 3.9GHz), 8MB cache, 4th Gen
Memory 4GB DDR3 (1600MHz)
Storage 1TB HDD
Graphics Intel HD Graphics 4400 (integrated)
Video Outputs 1 × DVI, 1 × VGA (dual display)
Optical Drive SuperMulti DVD Writer
Ports 2 × USB 3.0, 6 × USB 2.0, Gigabit Ethernet
Power Supply 240W internal
Operating System No OS installed
Warranty 12 months (Reboot IT)

Is It Right for You?

✓ Best For:
• IT teams imaging their own OS build
• Budget office, reception or back-office desks
• Dual-monitor productivity setups
• Linux or line-of-business project machines		 ✗ Not For:
• Buyers wanting a ready-to-run PC out of the box
• Modern gaming or GPU-accelerated work
• Heavy video editing or 3D rendering
• Users needing a pre-installed operating system

Condition Grades

Grade Cosmetic Condition Functional Testing
A — Excellent Minimal marks, no deep scratches or missing pieces CPU, RAM, HDD, ports and Ethernet fully verified
B — Good Light scratches or minor scuffs from normal office use CPU, RAM, HDD, ports and Ethernet fully verified

Frequently Asked Questions

Does it come with Windows installed?

No — this unit ships with no operating system. Once you're ready, install Windows or a lightweight Linux distribution of your choice.

Can I add an SSD?

Yes — the 400 G1 has SATA connectivity and drive bays, so you can fit an SSD alongside or in place of the 1TB HDD. An SSD dramatically improves boot and load times.

How many monitors can it run?

Two — via the DVI and VGA outputs.

Will this CPU run Windows 11?

No — the 4th Gen Core i7-4770 is not on Microsoft's Windows 11 support list. Windows 10 or a Linux distribution are the practical choices.

Is a keyboard and mouse included?

A power cord is included. Peripheral inclusion can vary — please contact us if you need to confirm before purchase.

What are the shipping options?

Shipping costs apply based on size and destination — rates are calculated at checkout.

Warranty & After-Sales Support

This refurbished HP ProDesk 400 G1 is sold by Reboot IT with a 12-month warranty covering hardware defects. Every unit is tested — CPU, memory, storage and ports verified — before dispatch.

Reboot IT has been Australia's trusted refurbished IT specialist since 2001. Melbourne-based support at reboot-it.com.au.

Specifications
  • Model
    400 G1
  • Storage Type
    HDD
  • Operating System
    No OS

What's in the box
  • HP - 400 G1
  • Tax invoice
  • Power cable
By buying refurbished, you avoid
375kg

of CO₂ vs. manufacturing new

And divert
7.5kg

of e-waste from landfill

Source: HP EliteDesk PCF datasheet — per unit.

Why the 400 G1?

Compact HP ProDesk 400 G1 SFF desktop with a quad-core Intel Core i7-4770, 4GB RAM and a 1TB hard drive, supplied without an operating system as a ready-to-build business base.

HP ProDesk 400 G1 SFF i7 4770 3.4GHz 16GB 1TB DW W10P Computer | 3mth Wty

Quad-Core i7 Power

The Intel Core i7-4770 with four cores and Hyper-Threading handles office multitasking with ease.

1TB Storage, SSD-Ready

A roomy 1TB hard drive for files, with SATA support to fit an SSD for a big speed boost.

Build Your Own OS

Ships with no operating system installed — add Windows or a lightweight Linux distribution for a fresh, bloat-free machine.

Dual-Monitor Ready

DVI and VGA outputs drive a two-screen setup.

Quad-Core i7 Power

The Intel Core i7-4770 with four cores and Hyper-Threading handles office multitasking with ease.

1TB Storage, SSD-Ready

A roomy 1TB hard drive for files, with SATA support to fit an SSD for a big speed boost.

HP ProDesk 400 G1 SFF i7 4770 3.4GHz 16GB 1TB DW W10P Computer | 3mth Wty

Build Your Own OS

Ships with no operating system installed — add Windows or a lightweight Linux distribution for a fresh, bloat-free machine.

Dual-Monitor Ready

DVI and VGA outputs drive a two-screen setup.

Let customers speak for us

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All-in-one Solution for Home Office

I was looking for an in-expensive all-in-one solution for my home office to replace my existing desktop and monitor. I found this EliteOne 800 on reboot IT for under $200. I wasn't sure what to expect. It arrived within two days!!!! I upgraded the RAM, replaced the HDD and installed Windows 11. This is unbeatable value and was the cheapest price online. Coupled with a 3-month warranty, Reboot IT are by far the best online refurbished retailer I have used. Awesome!

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Great service. Product in great condition and exactly what i want. I wanted this for a specific purpose but i dont need to spend $900 on a new one.

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exactly as described and works well

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Very happy, thank you

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How Reboot IT Revitalises and Certifies Refurbished Equipment

Learn more

  • Device Arrival

    We carefully source certified refurbished computers from trusted corporate, government, and education sectors, giving each device a fresh start and new purpose.

  • Secure Data Wipe

    To protect your privacy, all previous data is securely and thoroughly erased from every tested refurbished device before it reaches you.

  • Comprehensive Testing

    Each certified refurbished computer undergoes detailed testing with specialized software to ensure full functionality, and any worn or faulty components are replaced exclusively with original parts, guaranteeing reliable, long-lasting performance for your tested refurbished device.

  • Cleaning & Grading

    Every computer is professionally cleaned and carefully graded, so you know exactly what condition your certified refurbished computer is in—giving you full confidence in your purchase.

WELCOME TO REBOOT IT

Australia's number one source for Refurbished Desktops, Laptops, Monitors and more.

Since 2001, Reboot IT has been Australia’s trusted source for certified refurbished computers and IT hardware. Every device is rigorously tested and professionally refurbished to deliver reliable, like-new performance — all at a fraction of the cost of new equipment. With over 100,000 satisfied customers, we combine expert quality with unbeatable value. Shop with confidence knowing your refurbished device comes backed by warranty and supports sustainable tech reuse.

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