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Measure CPU and GPU balance before you buy.
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Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Samsung
Samsung Presto (S4LY027) controller · Samsung NAND.

Performance, endurance, NAND architecture, thermals, and compatibility.
About This Product
The Samsung 9100 PRO is a high-performance M.2 2280 PCIe 5.0 x4 NVMe SSD with 4TB capacity and 4GB cache. It offers cutting-edge transfer speeds suitable for demanding professional workloads and large file transfers, significantly outperforming PCIe 4.0 drives. This drive is ideal for users requiring the absolute fastest storage available, such as content creators, data scientists, and enterprise users, where the cost-to-performance ratio for top-tier speed is prioritized over budget alternatives.
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
14,800 MB/s
Sequential Write
13,400 MB/s
4K Random Read
2.2M IOPS
4K Random Write
2.6M IOPS
How long the drive lasts under sustained writes.
TBW (lifetime writes)
2,400 TB
Drive Writes/Day
0.33 DWPD
calculated from TBW
Warranty
5 years
Controller, NAND, and cache — what most retailers don't show you.
Controller
Samsung Presto (S4LY027)
NAND Type
TLC(236-layer)
NAND Brand
Samsung
DRAM Cache
Yes (4096 MB)
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Rating
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Cross-generation alternatives at the same capacity.
Verdict
“For professionals needing maximum storage speed, this drive offers unparalleled PCIe 5.0 performance.”
WD_BLACK SN8100
2TB · Gen 5 · 13,436 MB/s
HDD