Best 1TB PCIe 4.0 TeamGroup DRAM SSDs
There are 4 1TB PCIe 4.0 TeamGroup DRAM SSDs compared here. The fastest is the TeamGroup T-Force G70 Pro at 7400 MB/s read at 1TB, and the highest-rated for endurance is the TeamGroup CARDEA ZERO Z440 (3600 TBW). Sequential reads across the group span 5000–7400 MB/s at 1TB.
Why this configuration
A 1TB PCIe 4.0 TeamGroup DRAM SSD is the mainstream high-performance pick. Gen4 paired with a DRAM cache delivers close-to-flagship real-world speed and stays consistent under sustained load, for far less than a Gen5 drive. TeamGroup specifically tends to be chosen here for its firmware track record and warranty support.
1TB is the capacity most single-drive builds settle on.
Usually chosen for: gamers and creators who want fast, dependable storage without paying the Gen5 premium.
Good fit: workstation and creative loads that hammer random I/O.
Ranked list
Speeds on this page are the manufacturer's 1TB ratings where published (4 of 4 drives), not the family headline figure. Rated writes at 1TB run 4400–6800 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 1TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  TeamGroup CARDEA A440 M.2 PCIe 1TB, 2TB | Top-tier | Phison PS5018-E18 (TSMC 12nm, 8 Ca | 7000 | 1400 | Check price on Amazon |
| 2 |  TeamGroup CARDEA ZERO Z440 1TB, 2TB | Top-tier | Phison PS5016-E16 (TSMC 28nm, 2-Co | 5000 | 3600 | Find on Amazon |
| 3 | Top-tier | Phison PS5016-E16 (TSMC 28nm, 800M | 5000 | 3600 | Find on Amazon | |
| 4 | TeamGroup T-Force G70 Pro 500GB, 1TB, 2TB, 4TB | High-end | InnoGrit IG5236 | 7400 | — | Check price on Amazon |
The parts, explained
1TB is the mainstream single-drive capacity.
PCIe 4.0 x4 delivers roughly 7,000 MB/s, the current price-to-performance sweet spot for most builds.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.
Staying with TeamGroup means consistent firmware, tooling and warranty handling across the range.