1
Intel OPTANE MEMORY H10
250GB, 500GB, 1TB
Best 1TB PCIe 3.0 QLC DRAM SSDs
1TBPCIe 3.0QLCDRAM
There are 7 1TB PCIe 3.0 QLC DRAM SSDs in our database — each linked via an Amazon search on its part number. The fastest is the Intel INTEL® SSD 670P SERIES at 3500 MB/s read, and the highest-rated for endurance is the Corsair MP400 NVMe (1600 TBW). Sequential reads across the group span 1800–3500 MB/s.
Why this configuration
A 1TB PCIe 3.0 QLC DRAM SSD is an affordable NVMe step up from SATA. Gen3 is roughly six times SATA's throughput yet often costs little more, making it the easy default for a first NVMe drive or a laptop that only supports Gen3. Note the QLC NAND: treat this as capacity-first — excellent for storing and reading big libraries, less ideal as a constantly-rewritten scratch disk.
1TB is the capacity most single-drive builds settle on.
Usually chosen for: budget builders, laptop upgraders and anyone leaving SATA behind.
Good fit: read-heavy storage — media libraries and game installs you rarely rewrite; workstation and creative loads that hammer random I/O.
Look elsewhere for: heavy sustained writes or a video-editing scratch disk.
Ranked list
Ranked by tier, then link type, then sequential read. Drives we hold a product link for show a price button; the rest open an Amazon search on the manufacturer part number. Stock and prices are not shown here — they change too often.
2
Intel ® SSD 670P SERIES
500GB, 1TB, 2TB
3
Corsair MP400 NVMe
1TB, 2TB, 4TB, 8TB
4
Sabrent ROCKET Q
1TB, 2TB, 4TB, 8TB
5
Intel ® SSD 665P SERIES
1TB, 2TB
6
Intel ® SSD 660P SERIES
500GB, 1TB, 2TB
7
Intel OPTANE MEMORY H20
500GB, 1TB
The parts, explained
1TB is the mainstream single-drive capacity.
PCIe 3.0 x4 reaches about 3,500 MB/s — plenty for everyday use and gaming, and cheaper than Gen4.
QLC NAND stores more per cell for a lower price per terabyte, but sustained writes and rated endurance are lower, so it suits read-heavy storage.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.
Common questions
Is QLC reliable at 1TB?
QLC is fine for typical and read-heavy use; just expect a lower rated endurance (TBW) than a comparable TLC drive, and slower writes once the SLC cache fills.
How do the links to Amazon work here?
0 of the 7 drives listed have a direct product link; for the rest we link an Amazon search on the manufacturer part number, which lands on the right listing. We deliberately don't display stock or prices on this page — check both on Amazon, they change constantly.