The Best $750 Small Office Mini-ITX PC Build – January 2023

By Ari Altman | Published December 24, 2022 | Updated December 24, 2022

SilverStone ML09The Perfect Small Office PC!

Want to build the best home or small office PC possible with a budget of around $750? Then this is the guide for you! Our Small Office Mini-ITX PC Build is sleek, compact, powerful, quiet, and expandable, and of course, affordable!

This Month’s Build, Featuring AMD!

For January 2023, this system features AMD’s potent Ryzen 7 5700G processor, which has been discounted to make it an outstanding value. Built around the Zen 3 architecture, this eight-core, 16-thread processor is a serious powerhouse. Plus, it has the capable Vega Graphics built in, so you don’t need to worry about adding a video card. Supporting the Ryzen are 16GB of DDR4-3600 RAM and a fast 1TB NVMe solid-state drive.

Giving this system its sleek profile is the ultra-compact SilverStone ML09 case, our favorite slim case of all time. Despite its tiny size (just 7 liters!), it can fit plenty of upgrades, including a low-profile video card (which we’ve listed in the optional products section), and up to four 2TB hard drives, bringing the total capacity to over 8TB including the SSD! Learn more about this build, which is truly one of our favorites, in our YouTube overview.

Parting Thoughts

Any PC needs a good set of peripherals to get the most out of it, so definitely scroll down to the end of this guide to see our favorite accessories, or check out our dedicated Monitor Buyer’s Guide, Keyboard & Mouse Buyer’s Guide, and Headset & Speakers Buyer’s Guide. Throughout all of our guides, we provide direct links to Amazon US, which will auto-convert for our readers in the UK, Canada, and the EU, with regional substitutions made automatically as necessary. If you decide to purchase any of the products listed below, please use the links provided, which helps support continued development of this guide.

Required Components

  • CPU

    AMD Ryzen 7 5700G w/ Vega Graphics

    AMD’s Ryzen 7 5700G combines the best of all worlds, with its speedy 8-core/16-thread CPU powered by AMD’s Zen 3 architecture, along with the incredibly-fast integrated graphics powered by AMD’s Vega design.  It’s the ultimate one-stop-shop if you want extreme CPU performance and don’t want or need a separate video card!
    The Guru’s Tip

    This CPU comes with a cooler, and it will work well in this build. If you'd like lower noise levels, go for the optional cooler we recommend later in this guide.

  • Motherboard

    ASRock B550M-ITX/AC

    This B550-based mini-ITX board packs in a ton of features for the price. That includes full support for the latest AMD processors, overclocking capability, six USB ports (including a Type-C port), built-in 802.11ac wireless networking plus Bluetooth, and an M.2 SSD slot with integrated heatsink.
    The Guru’s Tip

    You'll be able to drive dual UHD monitors using the built-in HDMI and Displayport outputs on this board, combined with the Vega graphics on the AMD CPU.

  • Memory

    G.Skill 2x8GB Ripjaws V DDR4-3600 16-19-19

    To get the most out of DDR4 memory, you want high frequencies, and G.Skill’s Ripjaws V 2x8GB DDR4-3600 CL16 kit delivers! DDR4-3600 is the sweet spot in terms of compatibility with the majority of DDR4-based systems, but most kits have weak timings. This one, on the other hand, is the real deal: 16-19-19 at 1.35V, to be exact.
    The Guru’s Tip

    The extreme speed of this RAM will accelerate not just the CPU, but the built-in GPU as well, which uses system RAM for texture storage.

  • Solid-State Drive

    WD Blue SN570 1TB NVMe

    WD knocked it out of the park with its high-performance yet bargain-priced SN570. Optimized for excellent real-world performance thanks to WD’s years of SSD development, it easily keeps up with much more expensive drives. This 1TB model can provide sequential read speeds of 3500MB/s and write speeds of 3500MB/s. Note that you’ll need a jeweler’s-type screwdriver to affix it.
    The Guru’s Tip

    With 1TB of capacity, this small office system will have a huge amount of space for apps and data!

  • Case

    SilverStone ML09B

    Silverstone has done some serious engineering work here, and there’s simply nothing else like it on the market today. Despite its compact dimensions, the ML09 can fit a mini-ITX motherboard, a low-profile dual-slot video card, four 2.5″ drives, and an SFX power supply. It’s amazing – learn more in our hands-on review!
    The Guru’s Tip

    This case can fit a slim optical drive, but that space is better used by either the included case fan, or a taller CPU cooler, which we list in our optional parts section later in this guide.

  • Power Supply

    SilverStone SX300

    This ultra-compact, Bronze-rated SFX PSU is a perfect fit for this build, offering just the right amount of output for an efficient build like this one.
    The Guru’s Tip

    SilverStone actually recommends the use of power supplies with fixed cables, rather than removable cables, in the ML09 case, as the single cable output is easier to route around the case's 2.5" drive cage.

  • Operating System

    Windows 11 Home USB

    Windows 11 take everything people loved about Windows 10, and then takes it to 11! It adds significant under-the-hood changes to make it faster and more secure, and of course, the interface is sleek too!
    The Guru’s Tip

    Windows 11 is the OS you want on a modern PC!

Optional Products

  • CPU Cooler

    Scythe Big Shuriken 3 Rev. B

    The excellent low-profile cooler will fit easily in this system while providing a huge upgrade in terms of noise and temperatures versus most other low-profile coolers. It’s also one of the very few high-performance low-profile coolers that can be mounted so it does not obstruct the RAM slots. The Rev. B version of this cooler uses the enhanced Kaze Flex II fan, spinning at up to 1800RPM, plus a socket 1700 bracket in the box for Intel systems.
    The Guru’s Tip

    This cooler measures 67mm tall, which means it will fit perfectly in the case, which has 70mm of clearance. You'll need to remove the pre-installed fan that comes mounted in the case, but the resulting cooling and noise levels will be far superior.

  • Video Card

    XFX Radeon RX 6400 4GB LP

    Far and away the fastest GPU ever released in the single-slot, low-profile form factor, this is the perfect upgrade for an ultra-compact PC. It provides true gaming-grade performance at resolutions up to 1920 x 1080 on systems that otherwise wouldn’t be able to run modern games. It features both an HDMI and a DisplayPort output, each capable of supporting monitors up to 8K!
    The Guru’s Tip

    While the built-in Vega graphics are good, this GPU will take gaming to the next level. And being 6.3" long, it's a perfect fit in the case, which has a 6.9" limit.

  • Hard Drive

    WD Blue 2TB 2.5″

    Want to add a bunch of storage to your system at low cost, and without taking up much space? No problem – just add this high-capacity 2TB hard drive to your build! Not only is it a good value, but it’s also very quiet and energy efficient.
    The Guru’s Tip

    This is only necessary if you will be storing a lot of media on your PC, like photos, music, or video, as the build already has a high-capacity SSD.

  • The Basic Wireless Keyboard/Mouse Combo

    Logitech MK270 Wireless Keyboard and Mouse Combo

    While you may have an old keyboard and mouse sitting in your desk, treat yourself to a new wireless setup from Logitech, the MK270!
    The Guru’s Tip

    This combo uses a single USB receiver to communicate with both devices, meaning you have plenty more USB ports left over!

  • The Basic PC Speakers

    Creative Pebble 2.0

    Because desktop PCs, unlike laptops, don’t have internal speakers, we recommend you pick up Creative’s Pebble kit. Whether it’s music, You Tube videos, TV, or movies, Pebble will sound great.
    The Guru’s Tip

    Despite their name, these are definitely larger than a pebble!

  • The 24-inch Small Office Monitor

    Sceptre E248W-19203R

    This monitor offers a 24″ 1920 x 1080 panel, a 75Hz refresh rate for smooth scrolling, a slim bezel for sleek looks, as well as dual HDMI inputs and a VGA input. It even has built-in speakers!
    The Guru’s Tip

    We recommend connecting this monitor to your PC with an HDMI cable, which will provide both display and sound.

  • Webcam

    Logitech C920x Pro HD Webcam

    Need to use your PC for video conferencing? No problem! Just add this high-quality 1080p webcam from Logitech, which includes a built-in microphone. Just remember that if your monitor doesn’t have built-in speakers, you’ll also need stand-alone speakers for web conferencing to work. We’re amazed at the number of people who use headphones for video conferencing when it’s so much more professional to use gear attached to your PC, rather than your head!
    The Guru’s Tip

    If you don't have speakers already, you'll need to buy the ones below to use for video conferencing.

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