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Short on time? Our top pick is Samsung 990 PRO 2TB, SanDisk Optimus GX 7100 2TB takes Best Efficient Performance, while Lexar NM790 2TB NVMe SSD takes Best Single-Sided Pick.
- Best SSD for Gaming Laptop Overall Samsung 990 PRO 2TB Check price
- Best Efficient Performance SanDisk Optimus GX 7100 2TB Check price
- Best Single-Sided Pick Lexar NM790 2TB NVMe SSD Check price
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The best SSD for gaming laptop upgrades balances three things: speed for fast loads, efficiency so the battery and fans are not working harder, and a slim build that fits the slot. Bigger games also mean bigger installs, so we focused on 2TB drives that let you keep more of your library installed.
Many gaming laptops use M.2 2280 slots, and thin models can have tight clearance, so single-sided drives and thin heat labels are the safer choice. Always check your laptop's manual or the maker's support page for the slot size and PCIe generation before you buy. We checked every listing on Amazon in October 2026 and used the specs the makers publish there. We do not list prices because Amazon prices change in real time; use the buttons to see the current price and availability. Scores are our editorial scores out of 10, not Amazon customer ratings.
Best Gaming Laptop SSDs at a Glance
| Award | Drive | Read Speed | Best For | Score |
|---|---|---|---|---|
| Best SSD for Gaming Laptop Overall | Samsung 990 PRO 2TB | 7,450MB/s | Top Gen4 speed | 9.2/10 |
| Best Efficient Performance | SanDisk Optimus GX 7100 2TB | 7,250MB/s | Speed with battery in mind | 9.0/10 |
| Best Single-Sided Pick | Lexar NM790 2TB NVMe SSD | 7,400MB/s | Thin laptops | 8.8/10 |
| Best Newer Samsung Option | Samsung 990 2TB NVMe SSD | 7,250MB/s | Power-conscious design | 8.6/10 |
| Best Value 2TB | Kingston NV3 2TB NVMe SSD | 6,000MB/s | Saving money | 8.4/10 |
| Best for Thin Laptops on a Budget | WD Green SN3000 1TB | 5,000MB/s | 1TB, single-sided | 8.1/10 |
Samsung SSD 990 PRO 2TB, PCIe 4.0 M.2 2280
The 2TB 990 PRO keeps 7,450MB/s reads and Samsung's nickel-coated controller, with room for a large library.
SanDisk Optimus GX 7100 2TB NVMe SSD, PCIe 4.0, M.2 2280
The 2TB GX 7100 reads up to 7,250MB/s with SanDisk's power-efficient design for laptops.
Lexar NM790 2TB NVMe SSD, PCIe Gen 4x4, M.2 2280
A single-sided 2TB Gen4 drive with reads up to 7,400MB/s and lower power use than DRAM Gen4 drives, per Lexar.
Samsung Internal SSD 990 2TB, PCIe 4.0 NVMe M.2
The 2TB Samsung 990 reads up to 7,250MB/s with Samsung's power-conscious design, sold by Amazon when we checked.
Kingston NV3 2TB M.2 2280 NVMe SSD, PCIe 4.0 Gen 4x4
A low-power 2TB Gen4 drive with reads up to 6,000MB/s, cloning software and a 5-year warranty.
WD Green SN3000 1TB NVMe SSD, PCIe Gen4, M.2 2280
A single-sided M.2 2280 drive made for thin laptops, with reads up to 5,000MB/s and nCache 4.0.
In-Depth Reviews
1. What Makes an SSD Good for a Gaming Laptop?
On a desktop you can bolt on a big heatsink and ignore power draw. On a laptop you cannot, so efficiency and thickness matter as much as the top speed. Samsung says the 990 PRO is slim enough for laptops that meet the PCI-SIG D8 standard, Lexar describes the NM790 2TB as single-sided, and SanDisk built the GX 7100 around a power-efficient design.
2. Samsung 990 PRO 2TB: Best SSD for Gaming Laptop Overall
The Samsung 990 PRO 2TB has the same 7,450MB/s read and 6,900MB/s write ratings as the 1TB model. Samsung's nickel-coated controller handles thermal control, the slim build suits laptops that meet the PCI-SIG D8 standard, and Samsung Magician monitors drive health and updates.
3. SanDisk Optimus GX 7100 2TB: Best Efficient Performance
The SanDisk Optimus GX 7100 2TB has the same 7,250MB/s read and 6,900MB/s write ratings at 2TB. SanDisk's power-efficient architecture and 8th generation BiCS TLC NAND make it a strong pick for laptops.
4. Lexar NM790 2TB NVMe SSD: Best Single-Sided Pick
The Lexar NM790 2TB keeps the 7,400MB/s read and 6,500MB/s write ratings in a single-sided design, which helps in thin laptops. Lexar rates the 2TB model for 1,500TBW and quotes up to 40% lower power use than DRAM-equipped Gen4 drives.
5. Samsung 990 2TB NVMe SSD: Best Newer Samsung Option
The Samsung 990 2TB is rated for reads up to 7,250MB/s and writes up to 6,450MB/s. Samsung positions the 990 line as a balance of performance and power use, with Magician software for firmware updates and drive health checks.
6. Kingston NV3 2TB NVMe SSD: Best Value 2TB
The Kingston NV3 2TB brings the NV3's 6,000MB/s reads to 2TB. Kingston markets the line as high speed, low power storage and includes Acronis cloning software with a 5-year limited warranty.
7. WD Green SN3000 1TB: Best for Thin Laptops on a Budget
The WD Green SN3000 1TB reads at up to 5,000MB/s. Western Digital uses a single-sided M.2 2280 design to suit thin laptops and small PCs, adds nCache 4.0 and offers Acronis True Image for moving your data.
How to Choose an SSD for a Gaming Laptop
Slot size and generation
Most picks are M.2 2280 PCIe 4.0. They also work in Gen3 slots at Gen3 speed.
Single-sided for thin models
If your laptop is thin, prefer single-sided drives like the Lexar NM790 2TB or WD Green SN3000.
Efficiency
Look for drives that call out lower power use, such as the Samsung 990 and Lexar NM790.
Capacity
2TB keeps several big games installed at once; 1TB suits lighter libraries.
Quick Setup Tips
- Check your laptop's manual: confirm the M.2 length, PCIe generation and whether there is a free second slot
- Back up first: copy anything important before you swap the boot drive
- Clone or reinstall: several picks include Acronis cloning software for moving your old drive
- Skip big heatsinks: most laptops have no room for a desktop heatsink; a thin label is fine
- Check the live price: use the buttons to see the current price on Amazon
Frequently Asked Questions
What is the best SSD for gaming laptop upgrades?
The Samsung 990 PRO 2TB, with reads up to 7,450MB/s and a slim build for laptops that meet the PCI-SIG D8 standard.
Do gaming laptops use M.2 2280 SSDs?
Many do, but some use 2230 or 2242. Check your laptop's manual first.
Will a PCIe 4.0 SSD work in a Gen3 laptop?
Yes, it runs at the slower Gen3 speed.
Is a single-sided SSD better for laptops?
It is safer in thin laptops with tight clearance. The Lexar NM790 2TB and WD Green SN3000 are single-sided.
Should I buy 1TB or 2TB?
2TB if you keep several large games installed; 1TB if you play a few at a time.
The Bottom Line
The Samsung 990 PRO 2TB is the best SSD for gaming laptop upgrades. Choose the SanDisk Optimus GX 7100 2TB for efficient speed, or the Lexar NM790 2TB for thin laptops.
