Desktop PC upgrade guide - RAM and SSD compatibility

MSI Desktop Upgrade Guide (2026) — Trident, Infinite & Codex RAM, SSD Compatibility

MSI manufactures gaming desktops under the Dragon branded family, featuring models like Trident (compact), Infinite (mid-tower), Codex (full tower), and Aegis. All MSI gaming desktops use standard DDR4/DDR5 RAM and M.2 NVMe SSDs, making upgrades straightforward.

MSI Desktop Product Lines Overview

MSI’s gaming desktop lineup is organized by form factor and performance tier, each designed for different gaming and workstation needs.

Product LineForm FactorTarget UserUpgrade DifficultyTypical RAM Types
TridentCompact / SFFSpace-conscious gamersEasyDDR4, DDR5
InfiniteMid-TowerStandard gamersEasyDDR4, DDR5
CodexFull TowerHigh-performance gamersEasyDDR4, DDR5
AegisTowerBudget-conscious gamersEasyDDR4

MSI Trident Gaming Desktop

MSI Trident is the compact gaming desktop, designed for gamers with space constraints. Despite its small form factor, Trident supports modern DDR5 RAM and multiple NVMe SSDs.

Trident Series Overview

Trident GenerationChassisRAM TypeMax RAMRAM SlotsM.2 Slots
Trident X Plus (DDR5)Compact SFFDDR596GB22
Trident X (DDR4)Compact SFFDDR464GB22
Trident 3CompactDDR432GB21–2

Trident Key Features

  • Ultra-Compact: Smaller chassis than Infinite and Codex, perfect for TV stands or shelves.
  • Limited Upgrade Space: Dual RAM slots and GPU space are tight, but still fully upgradeable.
  • Excellent Cooling: Compact design doesn’t compromise on thermal management.
  • RGB Lighting: Tempered glass side panel with customizable RGB fans and LED accents.
  • PCIe Support: Supports GPU upgrades despite compact form factor.

Full MSI Trident Upgrade Guide


MSI Infinite Gaming Desktop

MSI Infinite is the mid-tower gaming desktop, offering the best balance between performance, upgradeability, and size. Infinite models support high-capacity DDR5 RAM and multiple NVMe SSDs.

Infinite Series Compatibility

Infinite GenerationChassisRAM TypeMax RAMRAM SlotsM.2 Slots
Infinite RS (DDR5)Mid-TowerDDR5192GB23–4
Infinite RS (DDR4)Mid-TowerDDR4128GB22
Infinite 12th/11th GenMid-TowerDDR4/DDR596GB22–3

Infinite Key Features

  • Balanced Size: Mid-tower form factor offers excellent internal space without being oversized.
  • Excellent Upgradeability: Spacious design with easy access to RAM, SSDs, and GPU.
  • Advanced Cooling: AIO liquid cooling options available in higher-end models.
  • Tempered Glass Design: Show off your components with a large tempered glass side panel.
  • Cable Management: Optimized layout for clean builds and future upgrades.

Full MSI Infinite Upgrade Guide


MSI Codex Gaming Desktop

MSI Codex is the full-tower gaming desktop, designed for enthusiasts seeking maximum performance and upgradeability. Codex models offer the most internal space for cooling and component expansion.

Codex Series Overview

Codex GenerationChassisRAM TypeMax RAMRAM SlotsM.2 Slots
Codex X (DDR5)Full TowerDDR5192GB24
Codex C (DDR4)Full TowerDDR4128GB22
Codex 12th GenFull TowerDDR4/DDR596GB22–4

Codex Key Features

  • Full Tower Design: Maximum internal space for component cooling and future upgrades.
  • Dual GPU Support: PCIe slot configuration allows for dual GPU configurations.
  • Advanced Cooling: Multiple 120/140mm fan slots and AIO support.
  • RGB Integration: Pre-installed RGB fans with MSI Dragon Center synchronization.
  • Professional-Grade Build: Excellent cable routing and modular design for enthusiasts.

Full MSI Codex Upgrade Guide


MSI Aegis Gaming Desktop

MSI Aegis is the budget-friendly gaming desktop line, offering entry-level performance for casual gamers and esports players. Despite the lower price point, Aegis models are fully upgradeable with DDR4 RAM and NVMe SSDs.

Aegis ModelForm FactorRAM TypeMax RAMM.2 Slots
Aegis TS-001BUSCompactDDR432GB1
Aegis TSCompactDDR432GB1–2

Full MSI Aegis Upgrade Guide


How to Find Your MSI Desktop Model Number

Your MSI desktop model is displayed in several locations:

  • Front or Back Chassis: Look for the product name and model designation (e.g., “MSI Infinite RS”, “MSI Trident X Plus”).
  • System Information (Windows): Right-click This PC → Properties. Search for “System Information” and check “System Model”.
  • Windows Run Dialog: Press Win+R, type “msinfo32”, and press Enter. Look for “System Model”.
  • BIOS/UEFI: Restart your computer and press F2 or Del during startup to enter BIOS and view hardware details.
  • MSI Dragon Center: If installed, open Dragon Center to see your system model and component details.
  • MSI Support Website: Visit MSI Support and search by model name for specifications.

MSI Desktop RAM Upgrade Instructions

Step 1: Power Down and Unplug

Shut down your MSI desktop completely. Unplug the power cable from the rear. Wait 30 seconds for residual power to discharge.

Step 2: Open the Case

Most MSI gaming desktops have tool-less side panels with tempered glass. Look for a release button or latch on the rear. Gently slide the panel outward. Be careful with tempered glass as it can be delicate.

Step 3: Locate RAM Slots

RAM slots are positioned vertically near the CPU, typically color-coded (blue for DDR4/DDR5). Note the position of any existing RAM modules.

Step 4: Remove Existing RAM (If Replacing)

Press the release clips on both ends of the RAM module outward. The module will pop up at a 45-degree angle. Carefully pull it out.

Step 5: Install New RAM

Align the notch on the bottom of the new RAM with the slot key. Insert at approximately 45 degrees, then press firmly until both clips snap into place.

Step 6: Close and Power On

Replace the side panel carefully and secure it. Reconnect the power cable, press the power button, and allow Windows to boot. The new RAM should be automatically detected.

MSI Desktop SSD Upgrade Guide

All modern MSI gaming desktops (2018+) support M.2 NVMe SSDs. Most models have 2–4 slots depending on the generation and product line.

Finding Your M.2 Slot

Open the case and look for M.2 slots on the motherboard. They are typically labeled “M.2_1”, “M.2_2”, etc., and located near the chipset. Some slots may be covered with heatspreaders or thermal pads.

Installation Steps

  1. Power off and disconnect the desktop.
  2. Open the case and locate an available M.2 slot.
  3. Remove any heatspreader or thermal pad covering the slot.
  4. If a screw is present in the standoff, remove it.
  5. Insert your NVMe SSD at a 30-degree angle into the slot.
  6. Press down gently and secure with the screw.
  7. Close the case, reconnect power, and boot into BIOS (F2 or Del) to verify the drive is detected.

Compatible RAM for MSI Desktops

RAM compatibility depends on your MSI desktop’s motherboard and CPU generation:

RAM TypeSpeed (MHz)Common CapacitiesCommon In
DDR55600–600016GB–192GBMSI Trident X Plus, Infinite RS (DDR5), Codex X
DDR42666–32008GB–128GBMSI Trident X, Infinite, Codex (DDR4 models), Aegis
DDR31600–18662GB–32GBOlder MSI desktops (pre-2016)

Always check your motherboard manual or MSI’s specifications to confirm exact RAM requirements for your model.

Compatible SSDs for MSI Desktops

SSD TypeInterfaceForm FactorSpeedBest For
NVMe (PCIe 5.0)PCIe 5.0M.27,000+ MB/sMSI Codex X, Infinite RS (DDR5)
NVMe (PCIe 4.0)PCIe 4.0M.23,500–5,000 MB/sMost MSI gaming desktops (2019+)
SATA SSDSATA III2.5″ or M.2550 MB/sOlder models or secondary storage

Popular MSI Desktop Models — Quick Reference

ModelRAM SlotsMax RAMM.2 SlotsUpgrade Guide
MSI Trident X Plus296GB DDR52Link
MSI Infinite RS (DDR5)2192GB DDR53–4Link
MSI Infinite RS (DDR4)2128GB DDR42Link
MSI Codex X2192GB DDR54Link

Recommended Products

Find compatible RAM and SSDs for your MSI gaming desktop below:

Product TypeBrandsShop
DDR5 RAM (64GB+)Corsair, G.Skill, KingstonView on Amazon UK
DDR4 RAM (32GB–128GB)Corsair, Crucial, KingstonView on Amazon UK
NVMe SSD (2TB+)Samsung 990 Pro, WD Black, CorsairView on Amazon UK
SATA SSD (1TB)Samsung 870 EVO, WD Blue, CrucialView on Amazon UK

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.


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