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.
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 Pascal (S4LV008) controller · Samsung NAND.

Performance, endurance, NAND architecture, thermals, and compatibility.
About This Product
The Samsung 990 Pro 1TB is a high-performance PCIe 4.0 NVMe SSD, offering sequential read/write speeds that are among the fastest available for consumer drives. It is suitable for users requiring rapid data access for demanding applications, large file transfers, and professional content creation. While it offers top-tier performance, its price point is higher than many other PCIe 4.0 SSDs that provide similar real-world performance for most general use cases.
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
7,170 MB/s
Sequential Write
3,100 MB/s
4K Random Read
2K IOPS
4K Random Write
2K IOPS
How long the drive lasts under sustained writes.
TBW (lifetime writes)
600 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 Pascal (S4LV008)
NAND Type
TLC(176-layer)
NAND Brand
Samsung
DRAM Cache
Yes (1024 MB)
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Rating
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Cross-generation alternatives at the same capacity.
Verdict
“Best for professionals needing top-tier PCIe 4.0 performance and reliability.”
LEGEND 860
500GB · Gen 4 · 5,000 MB/s