Corsair Neutron NX500 1TB PCIe NVMe SSD
The Corsair Neutron NX500 1 TB is the largest capacity in the NX500 add-in card line, using the Phison E7 controller with Toshiba MLC NAND and 1,047 TBW endurance behind a custom heatsink.

The NX500 1TB uses the same Phison PS5007-E7 NVMe controller and Toshiba 15nm MLC NAND as the rest of the NX500 series. The controller handles an eight-channel PCIe 3.0 x4 interface, paired with Nanya DDR3 DRAM for the flash translation layer. The drive is mounted on a half-height half-length (HHHL) PCIe add-in card with a custom aluminum heatsink that covers the controller via a thermal pad, and it ships with a perforated PCIe bracket featuring Corsair styling cues.
The NX500 line is Corsair desktop-only NVMe offering, designed for systems with a spare PCIe x4 slot. Unlike M.2 drives, the NX500 eliminates thermal throttling entirely thanks to its large heatsink, making it ideal for sustained write workloads that push M.2 drives into throttling territory. The 1 TB model carries the same 2,800/1,600 MB/s speed ratings as the 400 GB and 800 GB models, with 300K/270K IOPS. The endurance scales to 1,047 TBW, maintaining approximately 1 DWPD over the five-year warranty period.
The NX500 competes with Samsung 960 Pro series and other premium NVMe drives. The MLC NAND and thermal headroom differentiate it from the crowded M.2 field, though the PCIe slot requirement limits it to desktop systems only. The Corsair Force MP500 covers the M.2 market with the same E7 and MLC platform in a smaller form factor.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Corsair rates the Neutron NX500 1 TB at 2,800 MB/s sequential read and 1,600 MB/s sequential write, with up to 300,000 random read IOPS and 270,000 random write IOPS. These figures are consistent across the NX500 family, as the Phison E7 controller and Toshiba MLC NAND define the performance ceiling rather than the capacity.
Corsair Neutron NX500 1 TB vs PCIe 3.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other PCIe 3.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Asura Genesis Xtreme 256 GB: 3,400 MB/s read, 3,000 MB/s write
- Asura Genesis Xtreme 512 GB: 3,400 MB/s read, 3,000 MB/s write
- Asura Genesis Xtreme 1 TB: 3,400 MB/s read, 3,000 MB/s write
- Asura Genesis Xtreme 2 TB: 3,400 MB/s read, 3,000 MB/s write
- Corsair Neutron NX500 1 TB (this drive): 2,800 MB/s read, 1,600 MB/s write
The primary performance advantage of the NX500 over M.2 NVMe drives is sustained write consistency under thermal load. The large heatsink keeps the controller below 50 degrees Celsius under heavy sustained load, eliminating the thermal throttling that affects most M.2 drives above 60 degrees. Independent testing of the NX500 platform shows it maintains full write speed through 100 GB transfers without any throttling, where comparable M.2 drives drop to roughly a third of their rated speed. The 1 TB capacity provides a generous SLC cache and more NAND die for interleaving, which benefits mixed read/write workloads and keeps performance consistent across diverse usage patterns.
🖥️ Endurance and warranty
Corsair backs the Neutron NX500 1 TB with a five-year limited warranty, ending at 1,047 TBW of writes or the warranty period, whichever comes first. At approximately 1 DWPD over five years, the endurance rating is enterprise-grade for a consumer product. At a typical 20 GB per day consumer workload, the endurance translates to roughly 143 years of use. The MLC NAND handles more program-erase cycles per cell than TLC or QLC alternatives, and the heavy overprovisioning strategy across the NX500 line ensures consistent endurance performance. The drive includes Phison's power-loss protection features and LDPC error correction.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | PCIe 3.0 x 4 |
| Controller [?] | Phison PS5007-E7 |
| Memory type [?] | Toshiba 15nm MLC |
| DRAM [?] | Nanya DDR3 |
| Read speed (MB/s) [?] | 2800 |
| Write speed (MB/s) [?] | 1600 |
| Read IOPS [?] | 300000 |
| Write IOPS [?] | 270000 |
| Endurance (TBW) [?] | 1047 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Conclusion
Desktop builders who need a high-capacity MLC NVMe SSD that never throttles under sustained writes will find the Corsair Neutron NX500 1 TB fits the bill. The PCIe add-in card design with its large heatsink delivers thermally unconstrained performance that no M.2 drive can match under heavy sustained load. Anyone building in a compact system or needing M.2 compatibility should look at the Samsung 960 Pro or WD Black SN750 instead. The NX500 1 TB is a specialized tool for thermally demanding desktop workloads, and it excels in that role with MLC endurance and consistent performance.
+ Pros
- Large heatsink prevents thermal throttling
- 1,047 TBW endurance with MLC NAND
- 2,800 MB/s reads sustained under load
- 1 TB capacity for large libraries
- Toshiba 15nm MLC for reliability
- 5-year warranty coverage
- Cons
- PCIe add-in card requires spare slot
- Not M.2, no laptop compatibility
- 2,800 MB/s reads below Samsung 960 Pro
- Premium pricing per GB
- 1,600 MB/s writes below PCIe 3.0 ceiling
🛒 Buy this or similar SSD Storage:
✨ Video Review
Corsair NX500 400GB Review, HHHL PCIe NVMe SSD.