KLEVV Cras XR5 RGB DDR5-6000 in-depth review

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In this comprehensive review, we take a closer look at the KLEVV Cras XR5 RGB DDR5-6000 MHz memory modules, designed to be compatible with both Intel XMP 3.0 and AMD EXPO platforms. KLEVV, a memory module manufacturer established in 2014, has primarily been available in the German market, but has recently expanded its reach. The Cras XR5 RGB DDR5 modules are equipped with high-performance SK Hynix chips, offering capacities of 6000 and 6200 MHz, an aluminum heat sink for efficient heat dissipation, and an eye-catching circular RGB diffuser.

External design overview

KLEVV, headquartered in Hong Kong, specializes in memory and storage device manufacturing. Since its foundation in 2014, the company has primarily focused on the German market but has recently expanded its availability. KLEVV’s primary strength lies in RAM manufacturing, as evidenced by the several DDR4 lines that have also transitioned to DDR5. The KLEVV Cras XR5 RGB series is available in DDR5 and DDR4 versions, maintaining a consistent design across both generations.



The Cras XR5 RGB modules feature a medium-low profile design, standing at a height of 42.5mm. This ensures compatibility with popular air coolers, such as Noctua, which typically accommodate memory modules of this height. The exterior casing is an example of high-quality manufacturing, utilizing dual aluminum plates on both sides to provide passive heat dissipation, despite only one side housing the memory chips. The aluminum plates, available in either white or black, feature a dotted surface that further enhances passive heat dissipation capabilities.

In terms of aesthetics, the Cras XR5 RGB modules include a translucent plastic diffuser integrated into the two aluminum plates. This diffuser provides RGB lighting and sports a unique curved design with a hollow center, creating an original and striking appearance. The KLEVV Cras XR5 RGB 6000 is compatible with major lighting technologies, including those from Asus, ASRock, Gigabyte, and MSI, ensuring seamless integration with various motherboard ecosystems.

Internal features and performance details

Delving into the internals of the KLEVV Cras XR5 RGB modules, the electronics are situated on one side, consistent with other 16GB DDR5 modules previously reviewed. The 10-layer PCB houses eight 2GB SK Hynix chips, known for their high performance, while the RGB LEDs are placed on the opposite side to prevent any potential interference.

Between the chips and the diffuser, thermal pads are employed to efficiently transfer heat, ensuring optimal operating temperatures during heavy workloads or intense gaming sessions. In the center of the PCB, a PMIC (Power Management Integrated Circuit) chip manages the power supply of the module. This is a key difference from DDR4 modules, where power management is handled by the motherboard itself. Additionally, a small temperature sensor is present, enabling real-time temperature monitoring for better performance and stability.

KLEVV Cras XR5 RGB DDR5 6000 review

The SK Hynix chips used in the Cras XR5 RGB modules are renowned for achieving higher frequencies and better voltage scaling in manual overclocking mode, making them an excellent choice for gaming-oriented RAM. This particular kit employs an M-Die, which provides lower timings than the manufacturer’s new A-Die. Like other DDR5 RAM, the Cras XR5 RGB modules also feature internal error control (ODECC) for increased reliability and stability.

The memory modules are available in both 6000 and 6200 MHz versions, with latency configurations of CL40-40-40-76 at 1.3V for the 6000 MHz variant. They are compatible with Intel XMP 3.0 and AMD EXPO profiles, ensuring optimal performance for a wide range of processors, particularly those from Team Red. QVL (Qualified Vendor List) support guarantees broad compatibility across both Intel and AMD platforms, allowing for seamless integration with various systems.

Activating the 6000 MHz profile can be performed directly from the BIOS, and depending on the specific motherboard, the profile may be enabled automatically. This automatic enablement was observed with the Asus Z790 Maximus Hero and Intel Core i9-13900K, for instance. For Intel platforms, we recommend using Profile II, while Profile I has proven to deliver stable performance on AMD Zen 4 platforms.

Final thoughts on the KLEVV Cras XR5 RGB DDR5 memory modules

The addition of KLEVV to the RAM manufacturing market has proven to be highly beneficial, as their modules demonstrate excellent quality in terms of construction, performance, and aesthetics. The gaming-focused Cras XR5 RGB series pushes the SK Hynix chips to impressive performance levels, rivaling the G.Skill Trident Z5 RGB, and working flawlessly on both Intel and AMD platforms.

KLEVV Cras XR5 RGB DDR5 6000 memory units

The modules’ construction feels robust, thanks to the use of thicker aluminum covers than competitors and the seamless integration of the side black band and circular diffuser, which divide the RGB lighting into two visually appealing zones. The Cras XR5 RGB modules not only deliver excellent performance but also serve as an elegant addition to any setup.

The only area that could benefit from further improvement is the inclusion of dedicated software for more detailed LED management, allowing users to have greater control over the customization of their RGB lighting effects. However, this minor shortcoming does not detract from the overall high quality and performance offered by the KLEVV Cras XR5 RGB DDR5 memory modules.

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