SSSTC (Kioxia) CL4 (OEM) 512 GB

Measured performance for SSSTC (Kioxia) CL4 (OEM) 512 GB across 1 verified WhatFPS runs. Every number is measured in our benchmark suite — not estimated, not self-reported. Drive score (the drive's own performance: sequential read + 4K IOPS): 7,571 on average over the best run per rig, best run 7,571 — #59 of 91 measured system drives. Most often paired with Intel(R) Core(TM) 7 150U.

SSSTC (Kioxia) CL4 (OEM) 512 GB — subtests

  • Sequential read (1 MB blocks): 2,462 MB/s
  • 4K IOPS: 8,171
  • 4K latency, median: 98 µs — lower is better
  • 4K latency, p99: 354 µs

Specifications

  • Manufacturer: SSSTC (Kioxia)
  • Series: CL4 (OEM)
  • Type: NVMe SSD
  • Size: 512 GB
  • Model string (seen): SSSTC CL4-8D512

What the numbers mean

The GAMING score is a geometric mean of GPU (63 %), CPU (30 %), RAM (5 %) and drive (2 %) — a weak part cannot hide behind a strong one. The drive score is a geometric mean of sequential read (1 MB blocks) and random 4K read (IOPS), measured unbuffered on a 256 MB temp file on the system drive. Only the system drive is measured. The same model can differ between rigs: PCIe generation, fill level and driver all matter. Every run is HMAC-signed in the app and scored on the server. The full methodology is open at https://whatfps.com/metodik

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