KLEVV FIT V DDR5-6000 32GB Dual-Channel Memory Kit Review

TweakTown's Rating: 91%

The Bottom Line

The most affordable 6000 MHz CAS 32 kit on the market is the KLEVV FIT V. Initial performance may not get you going, but if you are part of a niche set of users, you can gain a ton of time back from the daily grind.

Pros

• Low-profile 33mm height
• Overclockability
• Lowest cost in the segment
• Dual-sided low-density ICs
• Magic performance boost

Cons

• Edited IC information for binning
• No RGB currently

Should you buy it?

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Introduction, Specifications, and Pricing

In the past, KLevv has been known for saving better, more efficient, or the best of the bunch SK Hynix ICs over a period of time and developing high-end kits for the market after a bit of time has passed. Looking back to kits such as the Urbane, Neo, and Genuine of the DDR3 days and various forms of CRAS kits over DDR4 and DDR5, we have fond memories of not only the out-of-box performance but also their flexibility, giving the overclocker in us a lot of time to play.

Oddly, KLevv has decided to flip the script, and we will be very blunt throughout this review with our opinions and take on what has transpired. KLevv developed a set of DDR5 for every person who wants a kit of RAM that lands in the "sweet spot" while working as intended. On top of the move to average products, there is an affordability implied with these sticks, but you will soon see how it all comes together and exactly what you are looking at with this new idea from KLevv.

KLevv calls the FIT V series "an entry DDR5 OC product" and "targeting users looking for entry-level DDR5," which has a funky design different from what we saw in their mid-range and higher-end models. With the speed and timings applied to the XMP 3.0 profile, these KLevv kits could do better than others in their class. However, that isn't the best part. The best part is found at the end of testing, where KLevv has fallen face-first into unforeseen magic performance, which is something the industry may follow suit with their implementations.

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When glancing at the product page, we can see that KLevv wants us to say that the FIT V comes with ultra-low clearance, is budget-friendly, has unmatched performance and reliability, comes with a powerful aluminum heat spreader, delivers XMP and EXPO support, and of course, comes with ECC. We also find that the FIT V can be had with three speed settings: 5400, 6000, and 6400 MT/s. However, you can buy them in two options: a single 16GB stick or a 32GB kit consisting of a pair of those 16GB sticks. Kits are designated Q for 16GB and F for 32GB as the last digit in the part number.

Specific to the FIT V we have in hand, the KD5AGU880-60A320F are built with sixteen 1GB ICs on top of black PCBs, sporting a white and exposed aluminum heat spreader. Without any changes in BIOS, you will be greeted with 4800 MT/s with 40-40-40-76 2T with 1.10V used set with the JEDEC profile. If you choose to enable XMP or EXPO, you will be running the FIT V at 6000 MT/s with 32-38-38-78 2T timings, with a bump of the VDIMM to 1.35V. KLevv mentioned the 33mm height, which is close enough to what we measured, but we also see they are 136.34mm long, 6.2mm thick, and weigh a paltry 32.8 grams each.

Along with the limited lifetime warranty, we must also discuss cost. Early on, KLevv clarified that affordability is a key part of the design, and finding them at Amazon for $89.99 proves them right. To put that into perspective, G.Skill FLARE X5 and Ripjaws S5 are nearer to $107 for the same specs, but we can almost guarantee a different IC layout than what KLevv used. So, while they are available, and they are the lowest cost solution in their class, the only thing that could hold back the KLevv FIT V is performance, but let's see what we get first and then get to the nitty-gritty of why you may want KLevv FIT V to inhabit your motherboards DIMM slots.

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Packaging and KLevv FIT V

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The KLevv Fit V is packed between two layers of cardboard, with form-fitting plastic exposed on the front, keeping the kit in place. On the front, we see the kit name, speed, and density, with a line stating that these are the "ultimate fit for pros" while also calling it DDR5 gaming memory. We also see icons for the limited lifetime warranty and those for XMP and EXPO support.

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The reverse starts with much of the same information but is followed by a list of features we hope to get from any manufacturer of RAM. Along with the sticker near the bottom is a perforated line in the cardboard so that it can be peeled open to access the sticks.

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We can see the KLevv FIT V in all its glory without obstructions. The aluminum heat spreaders are painted white, with an exposed aluminum ring around the edge. Gray paint is used to add the lines and names.

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The reverse is identical in the heat spreader design, but we get a sticker under the FIT V name. On it is KLevv, the part number, speed, timings, stick density, voltage for the XMP profile, serial number, and where they were made.

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When flat, the Fit V does not show its styling well, but once stood up, you can appreciate the plastic clips at each end and how the aluminum wraps over the top of the PCBs.

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Lying flat once again, but seeing the top of the sticks this time, we find some interesting things happening. We like how the aluminum folds in as it meets; it is a new idea. We also like the holes offered for passive or powered airflow, and it's slick how they put the KLevv name on the top of the plastic portions at either end.

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Peeling the spreaders is not good for the thermal tape covering the ICs, but our PMIC thermal pad is intact. It exposes enough to see the ESSENCORE E5CC8G8N3JR KPC painted on the ICs. Looking between eight of the sixteen ICs, we can see a Richtek 0P=AM unlocked PMIC. We decided not to show the reverse, but you will find another eight ICs and the SPD hub.

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With very few white motherboards to pick from, many will be getting this high-contrast view of their FIT V. Most of what we see of them is the exposed aluminum across the top. Still, even when we get a side view, we like how the gray and exposed aluminum go with the APEX Encore while ensuring everyone will see the RAM.

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Thaiphoon Burner tells the tale we had alluded to with the odd layout of these kits. Everything appears normal until we hit capacity, seeing sixteen ICs per stick. We see they are Hynix ICs, but the part number is cut off, although we are shown that they are A-die ICs. Besides that, everything else appears normal, and we find what we expected.

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Mem TweakIt puts some perspective on the timings used by KLevv. Not only are the base timings tight for the 6000 MT/s speed, but we see things like a 390 tRFC and a 5851 tREFi, which are also kept low, pushing us to believe their claims of "unmatched performance" may be true.

Test System Details

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To obtain the Intel CPU-Z screenshots, you will see directly following this image; this is the system we used to do it, as well as to get the results seen in the following pages. Thanks to ASUS, Intel, be quiet!, MSI, EKWB, and Sabrent for supporting us with this venture. Detailed specifications of the system can be found below.

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Enabling the XMP 3.0 setting in BIOS, our kit of KLevv Fit V hit their specified speed and timings. They run 6000 MHz with 32-38-38-38-78 2T timings as they sit, using 1.35V for VDD/VDDq/Tx, 0.833 SA, and 1.083V for the MC.

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As we expected, lowering the timings from the tight set KLevv provided did not seem like it would go far, and it didn't. However, we could run them at 6000 MHz at CAS 30 with full stability. To do so, we bumped the VDD/VDDq/Tx to 1.45V without changing the SA or MC as it did not gain anything.

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When we looked at pushing for more speed, KLevv left a bit in the tank. Again, there were no changes to the SA or MC voltages, and we still used 1.45V for the others, so we got up to 6667 MHz with the XMP timings. To gain stability, we did have to raise the tRFC to 640, but we made no changes to tREFi.

Chad's Intel DDR5 Dual-Channel Test System Specifications

• Motherboard: ASUS Maximus Z790 APEX Encore - Buy from Amazon
• CPU: Intel Core i9 14900K - Buy from Amazon
• Cooler: EK Nucleus AIO CR360 Lux D-RGB - Buy from Amazon
• Video Card: MSI GeForce RTX 3090 Gaming Trio 24G - Buy from Amazon
• Storage: Sabrent Rocket 4 PLUS-G 4TB - Buy from Amazon
• Case: Custom Thermaltake Core P3 TG
• Power Supply: be quiet! DARK POWER PRO 12 1500W - Buy from Amazon
• OS: Microsoft Windows 11 Home - Buy from Amazon

Intel Performance

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Starting with AIDA64 read performance; we see that KLevv falls below all other 6000 MHz kits with their 93,102 MB/s XMP score. Using CAS30 lost performance for us, but we did gain 5537 MB/s, opting for 6667 MHz.

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Write performance looks to be more of the same, with the XMP results starting at 83,061 MB/s, which is slower than other 6000 MHz examples in the chart. Using CAS 30 gains us 975 MB/s, enough to take the lead in their class. At 6667 MHz, we jump up the chart with a boost of 5989 MB/s over XMP results.

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When we hit copy performance, KLevv leads the pack with the 87,491 MB/s XMP result. Opting for a lower CAS timing got us 1260 MB/s more, but added speed delivered another 5738 MB/s.

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Considering the tightness of the XMP timings, we had hoped the latency would be faster than the 69.2ns XMP offers. We were able to get in the 67s with the use of CAS 30, but we lost ground with added speed.

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Super Pi is where the results get strange. The Fit V at 6000 MHz is turning out blisteringly fast times. After many retests, we must believe the numbers and see the Fit V keeping company with the Xtreme 5 from Patriot. We dropped that time by nearly two more seconds using CAS 30, but using more speed sent those results nearer to the bottom of the chart than expected.

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We always say that PCMark 10 is more of an efficiency score, and if that is true, then the KLevv Fit V is, how do we say this... crap at it. There is no other example of 6000 MHz anywhere near as low as KLevv's scores here.

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7-Zip results were also mystifying, but we retested many times and came out the same each run. At 165 seconds, the KLevv fit V is the best 6000 MHz option in the chart. We also like that both overclocking methods show gains, ending with the FIT V punching almost 1000 MHz above its weight class.

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Once again, strange scores showed up, and after many runs and similar results, we must applaud KLevv for the scores in Handbrake. That is a 6000 MHz kit from KLevv battling it out with 8000 and 8200 MHz solutions.

Final Thoughts

Stylistically, we like the Fit V. The white with gray paint is slick and simplistic in its presentation. The added ring of exposed aluminum is a nice touch, but we like the indented KLevv put into the plastic end caps. While many may want the inclusion of illumination, it would drive the cost into a range where KLevv could not claim to be the most affordable in its class.

However, under the high-contrast exterior, it is a mystery. KLevv decided to buck the trends and build a 32GB kit with dual-sided sticks. At first, our assumptions go to someone finding a case of forgotten-about ICs, and KLevv decided to toss them onto PCBs and try to recoup some of their investment. It seems so anyway, but this is our opinion, and there is no definite answer to why these hit the market as they did.

At this point, after all of the score confusion and consultation with our RAM guru, an email was sent to KLevv asking why they decided to go this dual-sided route and was returned with the typical PR reply of entry-level design, new layout compared to high-end examples, with nothing about it being done for the amazing scores shown in specific tests. In contrast, in others, KLevv fell on their face. We have to assume that KLevv fell into something they may not have noticed initially, but it is a huge win for them, at least until the other manufacturers catch on to what has transpired here today.

We have difficulty recommending the KLevv FIT V mindlessly, as they floundered too much for basic needs to be something we sing about from the highest peaks. However, if you are transcoding, doing a lot of file compression, or benchmarking for ultra-fast Super Pi times, as seen in our charts, something afoot is worth investigating. After many deep dives into the BIOS, timings, layout, and all things considered, there must be some BIOS love and hardware setup to take advantage of this dual-sided layout for lower-density ICs. Without being an engineer, BIOS programmer, or any degree in what we do, the magic is happening, and our best guess is that it is all done behind the curtains with interleaving.

The bottom line is that the KLevv Fit V has been impressive, even if only in specific settings. On paper, they should do better across the board, but in this situation, it comes down to affordability to move the FIT V. At $89.99, there is some bang for the buck out of the box and even more fun to be had if you like to tinker. Honestly, we assumed with so many ICs in play, it would limit the FIT V, but KLevv has done something that we have yet to see from anyone else and combine that with the low cost and low-profile nature of the KLevv Fit V. They are a decent option to select.