Buying Guide

The Best MSI Gaming Desktop PCs

Three MSI gaming desktop PCs, from RTX 5090 to RTX 5070, each with its CPU, graphics, memory and storage named.

By The PC Journal editorial team

11 min read3 products evaluated

MSI's high-end desktops include the Infinite ZS with an RTX 5090 and the Aegis ZS with an RTX 5080. We ordered these three by graphics memory.

We compared the parts each listing names: CPU, graphics card and VRAM, memory, storage and, where stated, the power supply and warranty. We did not test these systems, and we skipped listings that leave a core part vague.

Quick Picks

Our 3 recommendations at a glance. Tap a pick for the full verdict.

  1. Most VRAM

    MSI Infinite ZS (Ryzen 9 9950X3D, RTX 5090 32GB)

    32GB of VRAM on the RTX 5090.

    Best for: High texture settings at 1440p and above.

    Our take Check price for MSI Infinite ZS (Ryzen 9 9950X3D, RTX 5090 32GB) (opens in a new tab)

  2. RTX 5080 Pick

    MSI Aegis ZS (Ryzen 9 9900X, RTX 5080 16GB)

    An RTX 5080 with 16GB of VRAM.

    Best for: 1440p gaming.

    Our take Check price for MSI Aegis ZS (Ryzen 9 9900X, RTX 5080 16GB) (opens in a new tab)

  3. Lowest Price Here

    MSI Codex R2 (Core i5-14400F, RTX 5070 12GB)

    The lowest price among these picks at the time of writing.

    Best for: Keeping the budget tight.

    Our take Check price for MSI Codex R2 (Core i5-14400F, RTX 5070 12GB) (opens in a new tab)

Our Picks

MSI Infinite ZS (Ryzen 9 9950X3D, RTX 5090 32GB)

Most VRAM1 of 3

MSI Infinite ZS (Ryzen 9 9950X3D, RTX 5090 32GB) on Amazon (opens in a new tab)

Inside the Infinite ZS are a Ryzen 9 9950X3D and an RTX 5090 with 32GB of VRAM, backed by 32GB of DDR5 and 2TB of SSD storage.

Best for

High texture settings at 1440p and above.

Skip if

Price-first buyers should look at the MSI Codex R2, which cost less when we checked.

Why we like it

It also comes with a PCIe Gen5 SSD and a 360mm AIO. Its PSU wattage isn't published, so ask the seller before a GPU upgrade. Nothing else here matches its 32GB VRAM; the Aegis ZS RTX 5080 comes closest at 16GB.

It matches the Aegis ZS RTX 5080 on SSD capacity (2TB). No other pick in this guide offers an RTX 5090 graphics card; compare the Aegis ZS RTX 5080, which has an RTX 5080 graphics card. No other pick in this guide offers a ryzen 9 9950X3D processor; compare the Aegis ZS RTX 5080, which has a ryzen 9 9900X processor.

Like the MSI Codex R2, it has a DDR5 memory type, while the Aegis ZS RTX 5080 uses a DDR5-6000 memory type. It was the highest-priced of the 3 picks at the time of writing, so the case for it rests on what it adds over the Aegis ZS RTX 5080 and the rest.

Key dimensions & specs

  • Graphics card: RTX 5090
  • VRAM: 32GB
  • Processor: Ryzen 9 9950X3D
  • Memory: 32GB
  • Memory type: DDR5
  • SSD: 2TB

Pros

  • A RTX 5090 graphics card
  • 32GB of VRAM for high texture settings
  • An Ryzen 9 9950X3D with 3D V-Cache
  • 32GB of RAM

Cons

  • Costs more than the MSI Codex R2 at the time of writing
MSI Aegis ZS (Ryzen 9 9900X, RTX 5080 16GB)

RTX 5080 Pick2 of 3

MSI Aegis ZS (Ryzen 9 9900X, RTX 5080 16GB) on Amazon (opens in a new tab)

Inside the Aegis ZS RTX 5080 are a Ryzen 9 9900X and an RTX 5080 with 16GB of VRAM, backed by 32GB of DDR5-6000 and 2TB of SSD storage.

Best for

1440p gaming.

Skip if

If budget leads, the MSI Codex R2 was cheaper at our last price check.

Why we like it

It also comes with a 360mm liquid cooler and Wi-Fi 7. Its PSU wattage isn't published, so ask the seller before a GPU upgrade. Its 16GB VRAM ranks second of 3 here, behind the Infinite ZS (32GB) and ahead of the MSI Codex R2 (12GB).

It matches the Infinite ZS on SSD capacity (2TB). No other pick in this guide offers an RTX 5080 graphics card; compare the Infinite ZS, which has an RTX 5090 graphics card. No other pick in this guide offers a ryzen 9 9900X processor; compare the Infinite ZS, which has a ryzen 9 9950X3D processor.

It is the only pick here with a DDR5-6000 memory type; the Infinite ZS has a DDR5 memory type instead. You also get a keyboard and mouse in the box. On price it sat second of 3, between the cheaper MSI Codex R2 and the pricier Infinite ZS, at the time of writing.

Key dimensions & specs

  • Graphics card: RTX 5080
  • VRAM: 16GB
  • Processor: Ryzen 9 9900X
  • Memory: 32GB
  • Memory type: DDR5-6000
  • SSD: 2TB

Pros

  • A RTX 5080 graphics card
  • 16GB of VRAM for high texture settings
  • 32GB of RAM
  • A 2TB SSD

Cons

  • Costs more than the MSI Codex R2 at the time of writing
MSI Codex R2 (Core i5-14400F, RTX 5070 12GB)

Lowest Price Here3 of 3

MSI Codex R2 (Core i5-14400F, RTX 5070 12GB) on Amazon (opens in a new tab)

MSI Codex R2 pairs a Core i5-14400F with an RTX 5070 with 12GB of VRAM, plus 32GB of DDR5 and a 1TB SSD.

Best for

Keeping the budget tight.

Skip if

Skip it if VRAM matters most to you; the Infinite ZS offers 32GB.

Why we like it

It also comes with air cooling and Wi-Fi 6E. Its PSU wattage isn't published, so ask the seller before a GPU upgrade. Its 12GB VRAM is the least in this group; the Infinite ZS leads at 32GB.

Its 1TB SSD capacity is the smallest in this group; the Infinite ZS leads at 2TB. No other pick in this guide offers an RTX 5070 graphics card; compare the Infinite ZS, which has an RTX 5090 graphics card. No other pick in this guide offers a core i5-14400F processor; compare the Infinite ZS, which has a ryzen 9 9950X3D processor.

Like the Infinite ZS, it has a DDR5 memory type, while the Aegis ZS RTX 5080 uses a DDR5-6000 memory type. It undercut the Aegis ZS RTX 5080 and every other pick on price at the time of writing.

Key dimensions & specs

  • Graphics card: RTX 5070
  • VRAM: 12GB
  • Processor: Core i5-14400F
  • Memory: 32GB
  • Memory type: DDR5
  • SSD: 1TB

Pros

  • A RTX 5070 graphics card
  • 12GB of VRAM for high texture settings
  • 32GB of RAM
  • Air cooling and Wi-Fi 6E

Cons

  • VRAM trails the Infinite ZS (32GB)
  • SSD capacity trails the Infinite ZS (2TB)

How We Chose These MSI Gaming Desktop PCs

Each pick was assessed across 4 criteria weighted for real-world use.

Power and upgrades
We recorded PSU wattage and rating where listed, which decides later GPU upgrades.
Stated parts
We included only listings that name the CPU, the GPU with its VRAM, the RAM and the SSD capacity.
Balance
We compared how the CPU, memory and storage match the graphics card's class.
Price and warranty
We compared prices at the time of writing and the warranty terms each listing states.

What to Look for in an MSI Gaming Desktop PC

Key buying criteria so you get the right fit the first time.

  1. Start with the graphics card

    The GPU decides gaming performance more than any other part. Match it to your monitor: an RTX 5060 class card suits 1080p, an RTX 5070 suits 1440p, and 4K high-refresh play needs an RTX 5080 or above.

    Check the VRAM figure too; 8GB cards can need lower texture settings in newer games.

  2. Pair a sensible processor

    A current six- or eight-core CPU is enough for most games. X3D chips with extra cache help at high frame rates, while older or unnamed CPUs are a warning sign in a listing.

  3. Check memory and storage

    16GB of RAM runs games; 32GB leaves room for streaming, browsers and editing. A 1TB SSD holds a handful of large games, so plan for a second drive if you keep a big library.

  4. Read the warranty terms

    Prebuilt warranties vary from one year of parts and labor to three years. Check who handles repairs and whether shipping is covered.

  5. Look for a named power supply

    A listing that states wattage and an 80 Plus rating is easier to trust and to upgrade later. When a listing is silent, ask before buying.

  6. Trust specific listings

    Prefer listings that name every part: CPU model, GPU model and VRAM, RAM, SSD and PSU. Vague terms like "Core i7" or "brand may vary" leave room for weaker parts.

How to Choose an MSI Gaming Desktop PC

By priority

PriorityConsiderWhy
High texture settings at 1440p and aboveInfinite ZS32GB of VRAM on the RTX 5090
1440p gamingAegis ZS RTX 5080An RTX 5080 with 16GB of VRAM
Keeping the budget tightMSI Codex R2The lowest price among these picks at the time of writing

Scroll sideways to see every column.

Key specs side by side

Figures as each maker states them.

Prebuilt PCGraphics cardVRAMProcessorMemory
Infinite ZSRTX 509032GBRyzen 9 9950X3D32GB
Aegis ZS RTX 5080RTX 508016GBRyzen 9 9900X32GB
MSI Codex R2RTX 507012GBCore i5-14400F32GB

Scroll sideways to see every column.

Frequently Asked Questions

Do prebuilt PCs come with extra software?

Some do. Check the product page for trial software, and remove what you do not need after setup.

What does "brand may vary" mean in a listing?

The builder may ship an equivalent part from a different maker. The model and capacity should match; ask the seller if it matters to you.

Is a prebuilt cheaper than building a PC?

Sometimes. Prebuilts include Windows, assembly and a system warranty; building yourself can cost less but you handle part choices and support.

How much VRAM do I need?

8GB works at 1080p with some texture compromises in newer games; 12GB to 16GB is more comfortable at 1440p and 4K.

Can I upgrade a prebuilt later?

Usually. Check the power supply wattage and connectors, the case's GPU clearance and free RAM slots before buying a part.

Is 16GB of RAM enough for gaming?

For most games, yes. 32GB helps when you stream, keep many browser tabs open or edit video alongside gaming.

Bottom Line

Our first pick is the Infinite ZS, chosen for 32GB of VRAM on the RTX 5090. Look at the Aegis ZS RTX 5080 for an RTX 5080 with 16GB of VRAM and the MSI Codex R2 for the lowest price among these picks at the time of writing if those matter more to you.

The Infinite ZS is for 4K at the highest settings; the Aegis ZS RTX 5080 covers 4K for much less.