# KLEVV CRAS C920 2TB Review — Phison E18 PCIe 4.0 SSD (2026)

The KLEVV CRAS C920 2TB is a near-top-tier PCIe 4.0 NVMe SSD powered by the Phison E18 controller and Micron 176-layer NAND, delivering 7,000 MB/s reads that compete with the best drives of its generation.

Quick answer: The KLEVV CRAS C920 2TB is a top-tier PCIe 4.0 SSD that delivers on the Phison E18 platform's full potential: 7,000 MB/s reads, massive SLC cache, and 1,400 TBW endurance. It's an excellent choice for enthusiasts, gamers, and content creators who want near-maximum PCIe 4.0 performance. The drive's main competition comes from the Samsung 980 PRO and WD Black SN850, which offer similar speeds at often comparable prices. The C920's RGB heatsink variant adds visual appeal for desktop builders. If you can find it priced below the Samsung 980 PRO, the C920 is the better value — same performance tier, same warranty, less brand premium.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison PS5018-E18 |
| Memory type | Micron 176-layer 3D TLC |
| DRAM cache | DRAM Buffer SLC Caching |
| Sequential read | 7000 MB/s |
| Sequential write | 6850 MB/s |
| Random read IOPS | 720000 |
| Random write IOPS | 700000 |
| Endurance | 1400 TBW |
| MTBF | 1500000 |
| Warranty | 5 years |

## Performance

The KLEVV CRAS C920 2TB is rated at up to 7,000 MB/s sequential reads and 6,850 MB/s sequential writes over its PCIe 4.0 x4 interface — figures that sit at the absolute ceiling of what PCIe 4.0 bandwidth allows. Random 4K performance reaches up to 720,000 IOPS for reads and 700,000 IOPS for writes, placing it among the fastest consumer SSDs of the PCIe 4.0 generation.

The C920's SLC cache is substantial: independent reviewers measured approximately 600 GB of dynamic SLC cache on the 2TB model before exhausting into direct TLC writes. Even after cache exhaustion, sustained write speeds hold around 5,881 MB/s — a remarkable figure that barely drops below the burst rating. Only after the SLC pool fully drains do writes settle to the 1,000–1,500 MB/s native TLC range. For nearly all consumer and gaming workloads, the SLC cache never exhausts. Even content creators moving multi-hundred-gigabyte project files will see near-peak speeds throughout the transfer.

In real-world use, the C920 2TB topped gaming load time benchmarks in independent testing, outpacing competitors by over a second across a suite of modern titles. OS boot times and application launches are near-instant, as expected from any top-tier DRAM-cached NVMe. The Phison E18 controller supports hardware LDPC error correction and AES 256-bit encryption. Thermally, the bare PCB peaks around 60°C under sustained load, dropping to roughly 52°C with a motherboard heatsink — well within safe operating range. The E18 does not include hardware decompression for DirectStorage, but its raw speed more than compensates for current gaming workloads.

## Endurance, TBW & Warranty

KLEVV backs the CRAS C920 2TB with a 5-year limited warranty and a 1,400 TBW endurance rating — both figures in line with the premium PCIe 4.0 tier. The 1,400 TBW is double the 1TB model's 700 TBW rating, reflecting the doubled NAND capacity. At a heavy consumer workload of 50 GB per day, the 1,400 TBW translates to approximately 77 years of theoretical endurance, far exceeding the 5-year warranty period. The warranty is TBW-limited, meaning coverage ends whichever comes first: 5 years elapsed or 1,400 TBW consumed. For typical users writing 20–30 GB daily, the drive would take 128–192 years to reach its endurance limit, making the time-based warranty the practical constraint. KLEVV's warranty service is handled through regional distributors rather than direct-to-consumer RMA, which varies by market. The 5-year term matches Samsung, WD, and Crucial on their flagship drives, putting the C920 on equal footing for warranty coverage.

## Pros and Cons

**Pros:**

- 7,000 MB/s reads — near PCIe 4.0 ceiling
- 6,850 MB/s sustained writes past SLC cache
- 2GB DDR4 DRAM cache for consistent I/O
- 1,400 TBW endurance with 5-year warranty
- RGB heatsink option available
- Single-sided PCB fits laptops and slim builds
**Cons:**

- No hardware decompression for DirectStorage
- RGB heatsink adds height for tight builds
- Bare PCB version runs warm without cooling
- Less brand recognition than Samsung or WD


## Verdict

The KLEVV CRAS C920 2TB is a top-tier PCIe 4.0 SSD that delivers on the Phison E18 platform's full potential: 7,000 MB/s reads, massive SLC cache, and 1,400 TBW endurance. It's an excellent choice for enthusiasts, gamers, and content creators who want near-maximum PCIe 4.0 performance. The drive's main competition comes from the Samsung 980 PRO and WD Black SN850, which offer similar speeds at often comparable prices. The C920's RGB heatsink variant adds visual appeal for desktop builders. If you can find it priced below the Samsung 980 PRO, the C920 is the better value — same performance tier, same warranty, less brand premium.

## Frequently Asked Questions

### Is the KLEVV CRAS C920 2TB good for gaming?

Yes, the KLEVV CRAS C920 2TB is excellent for gaming. In independent testing, it topped gaming load time benchmarks, outpacing competing PCIe 4.0 drives by over a second across multiple titles. The 7,000 MB/s read speed and 720,000 random read IOPS deliver near-instant game loading. The 2TB capacity holds 30 to 50 AAA games depending on size. While the Phison E18 controller lacks hardware decompression for Microsoft DirectStorage, current gaming performance is unaffected since few titles actively use that feature.

### Does the KLEVV CRAS C920 have a DRAM cache?

Yes, the KLEVV CRAS C920 2TB includes a 2GB DDR4 DRAM cache using SK Hynix CJR modules. This dedicated DRAM stores the FTL mapping table, significantly improving random 4K read/write performance and reducing write amplification compared to DRAM-less HMB drives. The generous 2GB cache size (proportional to the 2TB NAND capacity) helps maintain consistent performance under heavy mixed workloads and contributes to the drive's high endurance rating by minimizing unnecessary NAND writes.

### What is the TBW endurance of the KLEVV CRAS C920 2TB?

The KLEVV CRAS C920 2TB is rated at 1,400 TBW (Total Bytes Written). This is double the 1TB model's 700 TBW rating. At a heavy consumer workload of 50 GB per day, it would take approximately 77 years to reach the endurance limit — far beyond the 5-year warranty period. At typical 20–30 GB daily writes, the theoretical lifespan extends to 128–192 years. The 5-year limited warranty expires whichever comes first: elapsed time or TBW consumption.

### Does the KLEVV CRAS C920 need a heatsink?

The KLEVV CRAS C920 is available with or without a heatsink. The bare PCB version peaks around 60°C under sustained load, which is within safe operating range but benefits from a motherboard M.2 thermal shield. The RGB heatsink variant keeps temperatures around 52°C under the same conditions and is the recommended choice for desktop builds where aesthetics matter. For laptops or slim systems, the bare PCB version with the motherboard's integrated thermal solution is sufficient. The drive's single-sided 2.15 mm PCB fits most M.2 slots without clearance issues.

### How does the KLEVV CRAS C920 compare to the Samsung 980 PRO?

Both the KLEVV CRAS C920 and Samsung 980 PRO are top-tier PCIe 4.0 2TB SSDs with similar rated speeds: 7,000 MB/s reads and roughly 6,850–6,900 MB/s writes. The C920 uses the Phison E18 controller with Micron 176-layer NAND, while the 980 PRO uses Samsung's in-house controller and V-NAND. Both offer 1,400 TBW endurance and 5-year warranties. Independent testing shows the C920 edging ahead in gaming load times. The Samsung 980 PRO carries a brand premium; if the C920 is priced lower, it offers equivalent performance and warranty at better value.

### Is the KLEVV CRAS C920 2TB compatible with PS5?

Yes, the KLEVV CRAS C920 2TB is well-suited for PS5 expansion. Its 7,000 MB/s read speed exceeds Sony's 5,500 MB/s recommendation, and the PCIe 4.0 x4 interface meets Sony's requirements. The RGB heatsink variant's dimensions should be checked against the PS5's 11.25 mm height clearance — most RGB M.2 heatsinks fit within this limit. The bare PCB version requires a separate low-profile heatsink for PS5 use. The 2TB capacity provides ample storage for a large PS5 game library.

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Last updated: 2026-05-23. Source: https://ssdrive.net/klevv-cras-c920-2-tb