Best Internal Ssds · head-to-head

Samsung 9100 Pro vs Seagate FireCuda 540

A sourced, side-by-side comparison. Seagate FireCuda 540 is cheaper at $189.99. Every spec and price links to its source.

Which is better: the Samsung 9100 Pro or Seagate FireCuda 540?

The Samsung 9100 Pro wins 2 of the 2 specs we compare head to head; the other wins 0. The Seagate FireCuda 540 is the cheaper at $189.99. Get the Samsung 9100 Pro for the stronger spec sheet, the Seagate FireCuda 540 to spend less.

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Key specs, head to head

The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.

Seq read (Mbps)
Samsung 9100 Pro 14800
Seagate FireCuda 540 10000
Seq write (Mbps)
Samsung 9100 Pro 13400
Seagate FireCuda 540 10000

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Samsung 9100 Pro Seagate FireCuda 540
US price $339.99 $189.99
BrandSamsungSeagate
Released2025-032023
Capacity options (TB) 1,2,4,8 1, 2
Form factor M.2 2280 M.2 2280
Interface PCIe 5.0 x4 NVMe PCIe 5.0 x4 NVMe
Seq read (Mbps) 14800 10000
Seq write (Mbps) 13400 10000
Random read kiops 2200
Random write kiops 2600
Nand type TLC TLC
Has dram cache Yes Yes
Endurance tbw 600 1000
Warranty years 5 5

Sources — Samsung 9100 Pro: samsung.com (verified 2026-07-11). Seagate FireCuda 540: seagate.com (verified 2026-07-11).

What's the difference between the Samsung 9100 Pro and Seagate FireCuda 540?

Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.

  • Capacity options (TB): Samsung 9100 Pro 1,2,4,8 vs Seagate FireCuda 540 1, 2
  • Seq read (Mbps): Samsung 9100 Pro 14800 vs Seagate FireCuda 540 10000
  • Seq write (Mbps): Samsung 9100 Pro 13400 vs Seagate FireCuda 540 10000
  • Endurance tbw: Samsung 9100 Pro 600 vs Seagate FireCuda 540 1000

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Samsung 9100 Pro

Three whitelisted labs (Tom's Hardware, TechPowerUp, StorageReview) hands-on-tested the Samsung 9100 Pro, Samsung's first PCIe Gen5 consumer SSD, and agree it is among the fastest and most power-efficient consumer Gen5 drives, with record sequential reads of 14.2 GB/s (TechPowerUp) and 14,600 MB/s (StorageReview). Tom's Hardware and TechPowerUp temper the praise: both flag the premium price and frame the drive as a refined last-generation solution rather than revolutionary, and TechPowerUp additionally documents a sharp post-SLC-cache write drop (to 1.3 GB/s) and throttling without a heatsink. StorageReview is the most upbeat, calling its pricing competitive and the drive one of the most capable on the market. HotHardware was excluded as non-whitelisted. Tom's Hardware's page 2/3 benchmark figures (SLC-cache write, post-cache write, temperature) were not present on the fetched review page and were dropped as unverifiable. (3 sourced reviews, 3 lab-tested.)

Praised: Record-setting sequential read; fastest consumer SSD in their tests; Excellent real-world, all-around and gaming performance; Strong power efficiency for a Gen5 drive.

Flagged: Highest / premium price among Gen5 drives; Needs a heatsink; bare drive can throttle under sustained load; Not revolutionary — an evolution of last-gen / best Gen4 tech.

Seagate FireCuda 540

Three whitelisted testers hands-on benchmarked the 2 TB FireCuda 540: Tom's Hardware and StorageReview at its 2023 launch, and TechPowerUp in a 2025 re-review. Consensus: a fast PCIe 5.0 drive with high sequential throughput, class-leading sustained/full-drive write speeds, and a standout support package (high TBW endurance plus 3-year data recovery), offset by poor power efficiency, high heat, and a hard requirement for a heatsink to avoid throttling. Both later-lens findings and StorageReview's enterprise tests show it only marginally leads top Gen 4 drives in real use and is weak in some write workloads. (3 sourced reviews, 3 lab-tested.)

Praised: High sequential throughput / impressive transfer rates; Class-leading sustained and full-drive write performance; Strong warranty, high TBW endurance and 3-year data recovery service.

Flagged: Poor power efficiency and high heat output; Requires cooling; throttles without a heatsink; Does not fully leverage Gen 5 - only marginally faster than top Gen 4 drives in real use, and weak in some write tests.

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