ESSENCORE has recently announced their brand new KLEVV CRAS series M.2 SSDs – the state-of-the-art CRAS C920 and high-performance CRAS C720. In this review, we shall take a look at the flagship model – the CRAS C920 PCIe 4.0×4 M.2 SSD.

Video Review


Host InterfaceNVMe PCIe Gen4x4
Form FactorM.2 2280
Capacity1TB, 2TB
Flashstrictly-selected 3D TLC NAND Flash
Dimension (LxWxH)80 x 22 x 2.15 mm
Warranty5 Year Limited Warranty
Sequential Read (MB/s)7,000MB/s7,000MB/s
Sequential Write (MB/s)5,500MB/s6,850MB/s
TBW (TeraByte Written)700TBW1,400TBW

KLEVV C920 2TB 1

The KLEVV CRAS C920 comes in a minimalist packaging.

KLEVV C920 2TB 2

SSD specifications and details at the back.

KLEVV C920 2TB 3

You’re getting just the SSD itself without heatsink or thermal pads. This allows you to install the SSD onto modern motherboards and utilizing the motherboard’s heatspreader without the need to look for third party cooling solutions. Frankly speaking this is the most economical way to keep the SSD price low in terms of the material used as well as the compact packaging.

KLEVV C920 2TB 6

The KLEVV CRAS C920 M.2 is using the new PCIe Gen 4 x4 host interface which is theoretically twice as fast as the PCIe Gen 3 x4. The SSD uses the Phison E18-series controller and paired with 3D TLC NAND flash memory. Some might question the long term reliability of the Phison controller, but that remained to be seen in long run which we won’t be able to cover in this review for obvious reasons.

KLEVV C920 2TB 7

There are two storage capacities to choose from – 1TB and 2TB. Both of them capable of reaching sequential read speed up to 7,000 MB/s with the exception that the 2TB variant has a faster 6,850 MB/s write speed as opposed to the 1TB’s 5,500 MB/s write speed.


Crystal Disk Mark

ATTO Disk Mark

AS SSD Benchmark

Copy to SSD

KLEVV CRAS C920 Copy from SSDa


KLEVV C920 2TB 8


KLEVV C920 2TB 4

At the time of publishing of this review, we are still waiting of the official price tag & local availability announcement. Judging for the lack of fancy heatsink and factory-included thermal pad, one would assume the price to be more competitive than other options which comes with thick and redundant heatsinks. I don’t mean that cooling solution is unnecesary for SSDs, in fact they are more important than ever especially for these new PCIe Gen 4 SSDs. The thing is, most of the time when consumers purchase this kind of high-end SSD, the rest of the PC component especially the motherboard usually already come equipped with a SSD heatsink. In other words, most of the time the consumers would dismantle the SSD’s own heatsink so that they can mount the motherboard heatsink back to its place.

At the end of the day, the KLEVV CRAS C920 has lived up to its specifications as one of the fastest SSD option you can get for your new system, especially if they priced it compeititively, it would mean that you waste less money on the fancy stuff but still enjoy the high performance component which is ultimately is the deciding factor.

Malaysia SRP

  • 1TB – n/a
  • 2TB – n/a

Where to buy (Affiliate links)

Distributor info

Sun Cycle Sdn Bhd



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