Corsair Neutron NX500 600GB PCIe NVMe SSD (2026)
The Corsair Neutron NX500 600 GB is a high-overprovisioned MLC NVMe add-in card that uses the Phison E7 controller with Toshiba 15nm MLC NAND and 1,222 TBW endurance behind a custom heatsink.

Controller & Memory
The NX500 600GB is based on the same Phison PS5007-E7 NVMe controller and Toshiba 15nm MLC NAND as the rest of the NX500 series. The PCIe 3.0 x4 HHHL add-in card mounts the components directly to a full-size PCB with a custom aluminum heatsink covering the controller. A Nanya DDR3 DRAM chip manages the flash translation layer, and the drive uses heavy overprovisioning consistent with the NX500 design philosophy.
Like the 400 GB model, the 600 GB reserves a large spare area from the raw NAND capacity. This overprovisioning strategy is typical of enterprise SSDs and gives the NX500 its high endurance rating and consistent sustained write performance. The drive carries the same 2,800/1,600 MB/s and 300K/270K IOPS ratings as the other NX500 models, as the Phison E7 platform defines the performance ceiling rather than the NAND capacity.
The NX500 series is a desktop-only product line, requiring a spare PCIe x4 slot in the target system. It competes with premium NVMe drives like the Samsung 960 Pro and Zotac Sonix. The NX500 differentiates itself through its heatsink-enabled thermal headroom, which keeps sustained writes at full speed where M.2 drives throttle. The Corsair Force MP500 covers the M.2 market with the same E7 and MLC platform in an M.2 2280 form factor.
Storage Comparisons:
Neutron NX500 Performance & Benchmarks
Corsair rates the Neutron NX500 600 GB 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 match the other NX500 capacities, as the Phison E7 controller and Toshiba MLC NAND set the performance envelope rather than the flash capacity on this platform.
Corsair Neutron NX500 600 GB 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 600 GB (this drive): 2,800 MB/s read, 1,600 MB/s write
The heatsink is the key performance differentiator versus M.2 drives. Independent testing by TechSpot showed the NX500 platform never exceeded 49 degrees Celsius during a 100 GB sustained transfer test, while the Samsung 960 Evo peaked at 90 degrees and throttled to roughly a third of its rated speed under the same conditions. The NX500 was more than twice as fast as the 960 Evo for writes exceeding 20 GB in sustained transfer testing. The 600 GB capacity provides enough NAND die for effective interleaving and a generous SLC cache, maintaining strong and consistent performance across mixed read/write workloads without the thermal variability that affects M.2 drives.
Corsair Neutron NX500 vs Competitors
See how the Neutron NX500 stacks up against other PCIe 3.0 x 4 drives in our database:
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Endurance, TBW & Warranty
Corsair backs the Neutron NX500 600 GB with a five-year limited warranty, ending at 1,222 TBW of writes or the warranty period, whichever comes first. At approximately 1 DWPD over five years, the endurance matches the proportional rating across the NX500 line. At a typical 20 GB per day consumer workload, the endurance translates to roughly 167 years of use. The MLC NAND inherently handles more program-erase cycles than TLC or QLC, and the heavy overprovisioning ensures consistent endurance performance over the warranty term. The five-year coverage is a step up from the earlier MP500 M.2 line, which carried only a three-year warranty.
Corsair Neutron NX500 600 GB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 600 GB |
| 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) [?] | 1222 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the Neutron NX500 Worth It in 2026?
The Corsair Neutron NX500 600 GB fills a niche for desktop users who need MLC NVMe endurance with thermally unconstrained sustained performance from an add-in card form factor. The 600 GB capacity and 1,222 TBW endurance offer a balanced middle ground in the NX500 lineup between the 400 GB and 800 GB models. Those without a spare PCIe slot or who need M.2 compatibility should consider the Samsung 960 Pro or Corsair Force MP500. For desktop builds where sustained write performance and MLC reliability are priorities, the NX500 600 GB delivers consistent performance that M.2 drives simply cannot match under thermal load.
+ Pros
- Large heatsink prevents thermal throttling
- 1,222 TBW endurance with MLC NAND
- 2,800 MB/s reads under sustained load
- 600 GB capacity with heavy overprovisioning
- 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
- Non-standard 600 GB capacity
- 1,600 MB/s writes below PCIe 3.0 ceiling
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Video Review
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