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Is an External SSD Worth It Compared to an Internal One?

June 26, 2025 3 answers
Asked by TechSavvy123
I'm looking to expand my computer's storage and I'm torn between getting an internal SSD or an external one. My current setup includes a 1TB Samsung 970 Evo on a PCIe 4.0 x4 slot and I have options for both internal and external drives. My main uses are gaming and applications like ArcGIS, AutoCAD, InDesign, and Illustrator. I know internal drives generally offer better speeds, but I'm curious if there are any benefits to going with external storage, especially if it saves me from having to partially disassemble my PC. Here's what I'm considering: - **Option 1:** Upgrade to a 4TB internal SSD in the PCIe 4.0 slot and keep the 1TB Samsung 970 Evo in the second slot. - **Option 2:** Stick with the 1TB Samsung internally and get a 6TB or 4TB external SSD. - **Option 3:** Get a mixture of SSDs, with one internal and one external, for balance. Are there real downsides to going external, like temperature issues, reliability concerns, or performance limitations?
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Answers

PCMasterRace2020
Definitely stick with either of the internal options! USB connections have a history of issues like random disconnects, which can lead to problems with running software directly from an external drive. For the best performance, keep your OS on the PCIe 4.0 drive and use older drives for data storage. If your budget allows, going for a single larger internal SSD will beat any external option easily!
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StorageGuru92
Honestly, external drives are great for portability and sharing between systems, but if you’re only using one PC, they’re usually not worth it. The internal SSD will always outperform an external due to lower latency and better speeds. Plus, you save on costs since you won’t need to buy the casing and cables. Just make sure to look for an SSD with a DRAM cache if you’re doing heavy file writing, as it can really help with performance over time.
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GamerTechie
Using PCIe 4.0 is the way to go! It’s significantly faster than any external option. If you have the space, you could also look into adapters that let you add more M.2 storage. The only benefit of an external SSD is for quick access or if you need to move it between machines, but for heavy usage, stick to internal drives.
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