KLEVV CRAS C925G 2TB review: flagship speed on a budget (2026)

Posted on by Raymond Chen

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.

KLEVV CRAS C925G 2TB review: flagship speed on a budget

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.

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.

Performance comparison

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:

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

3.9 / 5 · 21 votes

Buy this or similar SSD Storage:

Samsung 980 Pro 2 TB

-57% $165
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Video Review

KLEVV CRAS C925G M.2 PCIe 4.0 SSD – Precision Cooling. Infinite Possibilities.

Frequently Asked Questions

Yes - it is the strongest gaming configuration in the C925G range. Rated 7,400 MB/s reads deliver current-generation load times, 2 TB houses an extensive modern library without pruning, and the largest pseudo-SLC cache in the line handles installing many big titles consecutively better than smaller siblings manage. Independent reviewers specifically praised the platform's low 4K latency, which keeps level streaming smooth. Being TLC NAND, there are none of the long-term write-wear concerns attached to QLC budget alternatives.

It satisfies every criterion Sony publishes: PCIe 4.0 NVMe reading above the recommended 5,500 MB/s - rated here at 7,400 - within dimensions of approximately 110 x 25 x 11.25 mm including heatsink. Single-sided construction and 2.8 mm total thickness fit the expansion bay easily, and the thin graphene-copper plate can stay installed inside the console. KLEVV does not appear on Sony's official compatibility list, but drives meeting these stated specifications are routinely used in PS5 storage upgrades.

No. Every capacity runs Maxio's MAP1602 DRAM-less controller, keeping mapping tables in a reserved portion of system memory through Host Memory Buffer instead of on-package DRAM. This removes a component cost and trims power draw, which suits the drive's value positioning. Reviewers describe everyday responsiveness as excellent regardless. Where the missing DRAM shows is extended sustained writing - after the pseudo-SLC cache exhausts, throughput falls harder than DRAM-equipped designs typically allow until the controller catches up.

Three concrete advantages. Write speed tops the range at 6,500 MB/s versus 6,300 and 6,200 for 1 TB and 512 GB. Random ratings climb to 700K read and a full million write IOPS, the only tier reaching that mark. And endurance doubles again to 2,400 TBW, extending the warranty-covered write allowance furthest. Add the largest pseudo-SLC cache of the three, which delays slowdown during big transfers, and the premium over mid-tier pricing starts looking like cheap insurance for heavy users.

Close enough that it rarely matters. Tech4Gamers measured peaks around 7,378 MB/s read on their sample - within rounding distance of spec - while Basic Tutorials' CrystalDiskMark runs settled a few hundred megabytes lower despite repeated attempts, though that unit still beat the Crucial P3 Plus in AS SSD sequential comparison. Results vary with platform, heatsinking, and test version, as KLEVV's own footnotes acknowledge. Treat 7,400 as the ceiling your best runs will approach rather than a guaranteed constant.

Basic Tutorials benchmarked exactly this pairing and found the C925G clearly ahead in sequential read and write, though slightly behind in some 4K tests, finishing between Crucial's own P310 and P3 Plus overall. The structural difference underneath: Crucial builds the P3 Plus on slower-wearing QLC NAND with lower endurance ceilings, while the KLEVV uses TLC rated up to 2,400 TBW. For mixed use the gap narrows; for longevity and large-file speed, the KLEVV case is stronger.

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