PCIe 5.0 SSDs like Kingston's FURY Renegade G5 now top 14,000 MB/s — double the ceiling of Gen4. But in a year when NAND prices have surged, the question isn't how fast Gen5 is. It's whether you should pay for it.
The honest performance picture
- PCIe 3.0 (~3,500 MB/s): budget builds, older laptops, NAS cache
- PCIe 4.0 (~7,000 MB/s): the 2026 sweet spot for most users
- PCIe 5.0 (~14,000 MB/s): 8K video, huge datasets, DirectStorage gaming
For gaming load times, the jump from a SATA SSD to any NVMe drive is transformative; from Gen4 to Gen5 it's typically single-digit percentages. The drives earn their keep in sustained workloads: video editors scrubbing 8K footage, developers compiling massive codebases, and anyone regularly moving 50GB+ files.
Three things to check before buying Gen5
- Cooling. Gen5 controllers throttle hard without a heatsink. Verify your motherboard ships with a proper M.2 heatsink — or budget for a third-party one.
- Lane sharing. On many boards, populating the Gen5 M.2 slot steals lanes from the GPU slot. Check your manual; an x8 GPU is usually fine, but know the tradeoff.
- Price per gigabyte. In 2026's inflated NAND market, Gen4 drives often deliver 90% of the experience at 60% of the cost.
Our recommendation
- Most builders: a quality 2TB Gen4 drive. Fast, cool, affordable.
- Creators and pros: Gen5, with heatsink, if your workflow moves big files daily.
- Upgrading an older PC: even a budget Gen3 NVMe is a massive leap over SATA.
Bottom line: Gen5 is genuinely fast and finally maturing — but in 2026, Gen4 remains the smart money for most people.