Samsung T7 1TB – Raw Test Data

Samsung T7 1TB – Raw Test Data – test unit photo

Independent raw performance measurements for Samsung T7 1TB.

Test unit & environment

SSD modelSamsung Portable SSD T7
Capacity (GiB)931
Serial numberS7MENS0Y511580A
FirmwareFXG44P2Q
Operating systemWindows 10
Fio version3.41

1) Fresh Sequential Write (250GiB)

Metric Attempt 1
2026-02-13
Attempt 2
2026-02-14
Attempt 3
2026-02-15
Average
Sequential Write Speed Avg (MB/s)516515503511.3
Sequential Write Speed Sustained Avg (MB/s)482482470478.0
Sequential Write Speed SLC Avg (MB/s)780779745768.0
Time SLC (sec)60596360.7
GiB (SLC data)44434443.7
Time total (sec)520521524521.7

2) Sequential Read (250GiB)

Metric Attempt 1
2026-01-28
Attempt 2
2026-01-28
Attempt 3
2026-01-28
Average
Sequential Read Speed Avg (MB/s)658651662657.0
Sequential Read Data Size (GiB)184182185183.7

3) Random Read 4K QD1

Metric Attempt 1
2026-02-08
Attempt 2
2026-02-08
Attempt 3
2026-02-08
Average
Random Read 4K QD1 Speed Avg (MB/s)11.311.611.611.5
Random Read 4K QD1 Latency p99 (ms)0.470.470.470.47
Random Read 4K QD1 Latency p99.9 (ms)0.490.520.520.51

Method notes: standardized 250 GiB workload, results shown per attempt and averaged. Full methodology: /en/methodology/