KLEVV CRAS C925G 2TB review: flagship speed on a budget (2026)
Quick answer
For buyers wanting maximum PCIe 4.0 specification per unit of currency, the C925G 2TB is difficult to argue against: full-line 7,400/6,500 MB/s ratings, 2,400 TBW of rated endurance, a five-year warranty, and a working heatsink included at a mid-market price.
Read: 7400 MB/s Write: 6500 MB/s Endurance: 2400 TBW Warranty: 5 years Interface: M.2 4.0 x 4
The KLEVV CRAS C925G 2TB pairs the line's full 7,400/6,500 MB/s rating with a massive 2,400 TBW endurance allowance under a five-year warranty.

Controller & Memory
As the refreshed flagship of KLEVV's CRAS family, the C925G combines Maxio's MAP1602 - a 12nm quad-channel DRAM-less controller supporting NVMe 2.0 - with strictly-selected SK Hynix 238-layer 3D TLC NAND. The signature upgrade over last year's C925 is thermal: an ultra-thin copper-graphene composite heatsink bonded at the factory, claimed to shed around 15 percent more heat than the previous aluminium plate. The single-sided M.2 2280 board measures just 2.8 mm tall including that cooler, weighs 9 grams, and relies on Host Memory Buffer plus intelligent SLC caching rather than any DRAM package.
This top capacity carries the range's best numbers across the board: up to 7,400 MB/s sequential reads, 6,500 MB/s sequential writes, 700K random-read and a full 1M random-write IOPS. Endurance scales to 2,400 TBW - double the 1 TB tier's already-generous allowance - and the largest pseudo-SLC cache in the line sustains heavy copy sessions longer before falling back to native NAND speed.
Reviewers have warmed to it: KitGuru called the platform solid, Tech4Gamers logged excellent DiskBench results and best-in-group 4K latency, and Basic Tutorials placed it ahead of the Crucial P3 Plus sequentially despite landing under rated figures in CrystalDiskMark. Against the similarly-specced Lexar NM790, KLEVV's counter is the fitted heatsink, exceptional official endurance, and a five-year warranty.
Storage Comparisons:
C925G 2025 Performance & Benchmarks
Official ratings reach 7,400 MB/s sequential reads and 6,500 MB/s writes over PCIe 4.0 x4, plus 700,000 random-read and 1,000,000 random-write IOPS. Independent measurements land credibly close: Tech4Gamers recorded peaks near 7,378/6,383 MB/s, essentially the practical ceiling of Gen4, while Basic Tutorials' CrystalDiskMark runs settled several hundred megabytes lower yet still outpaced the Crucial P3 Plus in AS SSD comparisons. Thermal behavior impressed testers too - load temperatures between roughly 40 and 56 degrees Celsius depending on rig, comfortably clear of throttling territory even before motherboard airflow helps.
Klevv C925G 2025 2 TB vs M.2 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
- Klevv C925G 2025 2 TB (this drive): 7,400 MB/s read, 6,500 MB/s write
Character matters as much as peaks. Burst performance is excellent, 4K latency is genuinely competitive for opening applications and booting, and the large pseudo-SLC cache absorbs typical desktop workloads whole. Extended continuous writing - drive cloning, multi-hundred-gigabyte video renders, bulk backups - eventually exhausts that cache, dropping throughput toward native TLC rates until the controller recovers. That DRAM-less trade-off is the price of the value proposition everywhere in this class; gaming, office duty, and ordinary content creation never approach its edge.
Klevv C925G 2025 vs Competitors
See how the C925G 2025 stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
KLEVV protects this drive with a five-year limited warranty and rates endurance at 2,400 TBW of host writes - the highest figure in the C925G range. At a typical 20-50 GB written daily, that budget stretches roughly 130 to over 300 years, making exhaustion under consumer use effectively impossible; coverage simply ends at whichever limit arrives first. The platform backs the numbers with hardware LDPC error correction, global wear leveling, end-to-end CRC data path protection, thermal throttling safeguards, and sudden power-loss protection documented in detailed reviews. AES-256 hardware encryption support exists, though reviewers note activation varies by region. KLEVV's product sheet quotes no MTBF statistic, so treat third-party MTBF claims as unofficial.
Klevv C925G 2025 2 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 2 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Maxio Technology MAP1602-F3C |
| Memory type [?] | SK Hynix 238-L 4D TLC |
| DRAM [?] | No |
| Read speed (MB/s) [?] | 7400 |
| Write speed (MB/s) [?] | 6500 |
| Read IOPS [?] | 700000 |
| Write IOPS [?] | 1000000 |
| Endurance (TBW) [?] | 2400 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the C925G 2025 Worth It in 2026?
For buyers wanting maximum PCIe 4.0 specification per unit of currency, the C925G 2TB is difficult to argue against: full-line 7,400/6,500 MB/s ratings, 2,400 TBW of rated endurance, a five-year warranty, and a working heatsink included at a mid-market price. Content creators running endless sustained writes remain the exception, since DRAM-equipped drives hold throughput steadier once caches empty. The Lexar NM790 offers nearly identical internals if availability or pricing favors it locally, and the Crucial P3 Plus undercuts on cost while giving up TLC endurance and sequential pace. Everywhere else - gaming rigs, general upgrades, secondary game vaults - this KLEVV makes the shortlist easily.
+ Pros
- Line-topping 7,400/6,500 MB/s official ratings
- 2,400 TBW endurance doubles the 1TB tier
- Five-year limited warranty across capacities
- Graphene-copper heatsink comes pre-fitted
- Ran cool in independent stress testing
- Cons
- DRAM-less HMB design, no dedicated cache chip
- Sustained writes drop after SLC cache empties
- Retail availability outside Asia remains patchy
- Some benchmark runs landed below rated figures
Buy this or similar SSD Storage:
Video Review
KLEVV CRAS C925G M.2 PCIe 4.0 SSD – Precision Cooling. Infinite Possibilities.