Best 180GB SATA MLC SSDs
There are 5 180GB SATA MLC SSDs compared here. The fastest is the Corsair Force Series™ GT at 555 MB/s read at 180GB, and the highest-rated for endurance is the Kingston SSDNOW KC300 (1785 TBW). Sequential reads across the group span 525–555 MB/s at 180GB.
Why this configuration
A 180GB SATA MLC SSD is a legacy high-endurance choice. These older MLC SATA drives are slow by today's standards but exceptionally durable, which is why they still appear in always-on and write-heavy roles.
Usually chosen for: keeping an older system alive, or a rugged secondary/logging drive.
Good fit: budget upgrades, older PCs and second drives.
Look elsewhere for: large-file creative work where NVMe pulls ahead.
Ranked list
Speeds on this page are the manufacturer's 180GB ratings where published (5 of 5 drives), not the family headline figure. Rated writes at 180GB run 480–525 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 180GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Intel 520 128GB, 250GB, 180GB | Mid-range | LSI SandForce SF-2281 | 550 | 36 | Find on Amazon |
| 2 |  Intel 525 mSATA 128GB, 250GB, 30GB, 60GB, 180GB | Mid-range | SandForce’s SF-2281 | 550 | — | Find on Amazon |
| 3 |  Intel 530 128GB, 250GB, 500GB, 80GB, 180GB, 360GB | Mid-range | SandForce SF-2281 | 540 | 36.5 | Find on Amazon |
| 4 |  Kingston SSDNOW KC300 128GB, 250GB, 500GB, 60GB, 180GB | Mid-range | SandForce SF-2281 | 525 | 1785 | Find on Amazon |
| 5 |  Corsair Force Series™ GT 128GB, 250GB, 500GB, 60GB, 90GB, 180GB | Value | SandForce SF-2281VA1-SDC-ES | 555 | — | Find on Amazon |
The parts, explained
SATA III tops out around 550 MB/s, but it is the cheapest interface and fits any 2.5-inch bay or older laptop.
MLC NAND is older and costs more per gigabyte, but is very durable.
Common questions
Is SATA fast enough in 2026?
For an OS, apps and most games you won't notice the difference versus NVMe in daily use. NVMe pulls ahead mainly on large file transfers and load-heavy creative work.