# Corsair Neutron NX500 1TB PCIe NVMe SSD (2026)

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.

Quick answer: 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.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | PCIe 3.0 x 4 |
| Controller | Phison PS5007-E7 |
| Memory type | Toshiba 15nm MLC |
| DRAM cache | Nanya DDR3 |
| Sequential read | 2800 MB/s |
| Sequential write | 1600 MB/s |
| Random read IOPS | 300000 |
| Random write IOPS | 270000 |
| Endurance | 1047 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

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.

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, TBW & 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.

## Pros and Cons

**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


## Verdict

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.

## Frequently Asked Questions

### Is the Corsair Neutron NX500 1TB good for gaming?

The NX500 1 TB performs well for gaming with 2,800 MB/s reads and 300K random read IOPS. The 1 TB capacity holds a large OS and game library. The heatsink advantage shows during extended gaming sessions with frequent loading, as the drive never throttles. For gaming builds with a spare PCIe slot, the NX500 delivers consistent performance. M.2 drives like the Samsung 960 Evo offer similar burst performance in a smaller form factor but may throttle during long sessions.

### Does the Corsair Neutron NX500 1TB have a DRAM cache?

Yes, the NX500 uses Nanya DDR3 DRAM for its flash translation layer. The NX500 line features double the typical DRAM allocation, which supports the heavy overprovisioning strategy and helps the Phison E7 controller manage flash translation tables during sustained operations. The full DRAM design ensures consistent random performance and reliable FTL management across the entire capacity.

### What is the TBW endurance of the Corsair Neutron NX500 1TB?

The NX500 1 TB is rated for 1,047 TBW (terabytes written) over its five-year warranty period. This equates to approximately 1 drive write per day over five years. At a typical 20 GB per day consumer workload, the endurance translates to roughly 143 years of use. The endurance scales proportionally with the 400 GB (698 TBW) and 800 GB (1,396 TBW) models, maintaining the same 1 DWPD ratio across the series.

### How does the Corsair Neutron NX500 compare to the Samsung 960 Pro?

The Samsung 960 Pro offers higher peak sequential speeds (3,500/2,100 MB/s) in an M.2 form factor, while the NX500 uses a PCIe add-in card with a heatsink. The NX500 never throttles thermally, while the Samsung 960 Pro M.2 can throttle under sustained writes. Both use MLC NAND. The NX500 carries a five-year warranty, matching the Samsung. The Samsung is the pick for compact builds and burst speed; the NX500 for thermally unconstrained sustained performance.

### Can the Corsair Neutron NX500 1TB be used in a laptop?

No. The NX500 is a half-height half-length PCIe add-in card that requires a desktop PCIe x4 expansion slot. It has no M.2 interface and is incompatible with laptops. For laptop users who want MLC NVMe performance, the Corsair Force MP500 covers the same Phison E7 and Toshiba MLC platform in an M.2 2280 form factor.

### Is the Corsair Neutron NX500 good for video editing?

The NX500 is well-suited for video editing thanks to its thermally unconstrained design. The heatsink keeps the drive below 50 degrees during long render exports and media file transfers. The 2,800/1,600 MB/s throughput handles most editing workflows, and the 1 TB capacity provides room for project files and media cache. The MLC NAND and high endurance rating mean the drive can sustain heavy write workloads over years of professional use.

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Last updated: 2026-05-23. Source: https://ssdrive.net/corsair-neutron-nx500-1-tb