Netac N535N 240GB Review — Affordable M.2 2280 SATA SSD
The Netac N535N 240GB steps up from the 120 GB variant with more NAND dies and slightly better write performance — still a budget M.2 SATA III SSD in the compact 2280 form factor.
The N535N 240GB uses the same SATA III 6 Gb/s interface as its 120 GB sibling, capping sequential throughput at roughly 560 MB/s reads and 510 MB/s writes. The extra capacity comes from additional 3D NAND packages, which also means the controller can stripe data across more dies — a key reason the 240 GB model writes faster than the 120 GB. Like the rest of the N535N family, it uses a DRAM-less controller design, meaning the flash translation layer is managed without dedicated cache memory. This keeps costs down but adds latency during sustained random I/O workloads.
At 240 GB, this drive offers enough room for a Windows installation, a reasonable set of applications, and a modest game library. It's the most practical capacity in the N535N lineup for a single-drive budget build — the 120 GB is too cramped, and the 480 GB and 960 GB models cost proportionally more. For users upgrading from a mechanical hard drive in a laptop with an M.2 slot, the N535N 240GB provides a noticeable responsiveness boost at a minimal price increase over the smallest capacity.
Netac is a Shenzhen-based brand known for aggressive pricing in Asian and emerging markets. The N535N doesn't carry the brand recognition or extensive review coverage of established Western brands, and the absence of published TBW endurance specs makes long-term reliability harder to quantify. The 3D NAND flash is a positive — it offers better endurance and density than older planar NAND — but without DRAM, the drive's sustained performance under load will trail DRAM-equipped competitors.
Comparable alternatives include the Kingston A400 240 GB (available in M.2 SATA), the Crucial BX500 240 GB, and the WD Green SN350 240 GB. The N535N competes on price, not features or documented endurance.
✅ Storage Comparisons:
🚀 Performance and benchmarks
The Netac N535N 240GB is rated at up to 560 MB/s sequential reads and 510 MB/s sequential writes over its SATA III 6 Gb/s interface. The read speed is essentially at the SATA ceiling — the 6 Gb/s bus translates to roughly 600 MB/s raw throughput, so 560 MB/s is about as good as SATA gets after overhead. The write speed is a modest improvement over the 120 GB model's 500 MB/s, thanks to the additional NAND dies allowing better parallelism. Random 4K performance on a DRAM-less SATA controller typically lands in the 4,000–7,000 IOPS range for reads, slightly better than the 120 GB due to the extra capacity providing more dies for the controller to work with. For everyday desktop tasks — web browsing, document editing, email — the drive is perfectly adequate. Under sustained writes, the lack of DRAM means performance will drop as the controller manages the flash translation layer without a dedicated cache buffer. The 3D NAND helps with baseline endurance and performance compared to older planar designs, but it doesn't eliminate the fundamental limitation of a DRAM-less architecture. There are no widely available independent benchmark reviews of the N535N series, so these assessments are based on the manufacturer's rated specs and the known behavior of comparable DRAM-less SATA SSDs. For a budget build or laptop upgrade, the performance is serviceable.
Netac N535N 240 GB vs M.2 SATA III peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 SATA III SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Netac N535N 240 GB (this drive): 560 MB/s read, 510 MB/s write
- Netac N535N 120 GB: 560 MB/s read, 500 MB/s write
- Netac N535N 480 GB: 560 MB/s read, 515 MB/s write
- Netac N535N 960 GB: 560 MB/s read, 520 MB/s write
🖥️ Endurance and warranty
Netac provides a three-year limited warranty for the N535N 240GB, which is standard for the budget SSD segment but falls short of the five-year coverage offered on mid-range drives from established brands. The company does not publish an official TBW (terabytes written) endurance figure for the N535N series. For a 240 GB drive using 3D NAND, a reasonable estimate would be approximately 80–120 TBW based on comparable drives — enough for typical desktop use over the three-year warranty period, or roughly 75–110 GB of writes per day for three years. Without an official published figure, however, there's no guaranteed endurance benchmark to reference. Netac does not publish an MTBF rating either. Warranty service is handled through Netac's distributor network, and international buyers should confirm local support availability. The three-year warranty is adequate for the price, but the lack of published endurance data means buyers are trusting the 3D NAND's inherent durability without manufacturer-backed numbers.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 240 GB |
| Interface [?] | M.2 SATA III |
| Controller [?] | n/a |
| Memory type [?] | TLC |
| DRAM [?] | n/a |
| Read speed (MB/s) [?] | 560 |
| Write speed (MB/s) [?] | 510 |
| Read IOPS [?] | n/a |
| Write IOPS [?] | n/a |
| Endurance (TBW) [?] | n/a |
| MTBF (million hours) [?] | n/a |
| Warranty (years) [?] | n/a |
Conclusion
The Netac N535N 240GB is a practical budget M.2 SATA SSD — 240 GB is enough for a basic system drive, the 560 MB/s reads hit the SATA ceiling, and the M.2 2280 form factor fits laptops and small builds. The DRAM-less design and lack of published TBW specs keep it from competing with more transparent brands, and at this price point the Kingston A400 and Crucial BX500 offer comparable performance with documented endurance. The N535N 240GB works for cost-conscious builds, but buyers who want to know exactly what they're getting should look to drives with published specs.
+ Pros
- 560 MB/s reads at SATA ceiling
- 240 GB usable for basic system drive
- M.2 2280 fits compact systems
- 3D NAND improves on planar designs
- 3-year manufacturer warranty
- Cons
- DRAM-less controller limits sustained performance
- No published TBW endurance rating
- Minimal independent review coverage
- Slower than NVMe alternatives at similar price
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✨ Video Review
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