Kingston Fury Beast 32GB DDR5-5600 CL40 Black

32GB on one stick at 5600 MT/s sounds decent, but the CL40 latency lands in the 32nd percentile, which is rough. The $192 price spread across US listings means you could overpay by a lot if you don't shop carefully. Buy it only if you need single-stick capacity, and only at the $525 price.

The headline number is 5600 MT/s, which is respectable but not exciting. In our database, that speed ranks in the 78th percentile, so it's faster than most DDR5 out there. But speed is only half the story. The CL40 latency is the weak link here. At 32nd percentile, it's well below average for DDR5 kits. That means while the Fury Beast can move data quickly once it gets going, it takes longer to start each transfer. For gaming, that translates to slightly higher frame time spikes compared to tighter kits.

Kingston's spec sheet mentions DDR5's double banks and burst length, plus two independent 32-bit subchannels. That's standard DDR5 architecture, not a Kingston exclusive, but it does help with multitasking and heavy workloads. The on-die ECC is a genuine plus for stability, especially if you plan to run this stick at its XMP profile for years. Just don't expect to tighten the timings much. CL40 at 1.25V doesn't leave a lot of headroom for tuning.

Against the Corsair VENGEANCE RGB CMH64GX5M2Y6400C32, the Fury Beast looks slow. The Corsair kit runs at 6400 MT/s with CL32 timings, which is both faster and tighter. The G.Skill Ripjaws S5 F5-6400J3239G32GX2-RS5K also hits 6400 MT/s at CL32, putting it in a completely different performance tier. The Crucial Pro Overclocking CP2K16G64C32U5B is another 6400 MT/s CL32 kit that beats the Fury Beast on both speed and latency. Where the Kingston wins is capacity per stick. All three competitors are 2x16GB or 2x32GB kits, while the Fury Beast gives you 32GB on a single module. If you're building a small form factor system with only two DIMM slots and want 64GB eventually, the Fury Beast makes sense. For everyone else, those faster kits are the better buy.

Pricing on this stick is all over the place. US listings range from $525 to $717, which is a $192 spread for the exact same module. That's a huge gap, and it means you absolutely need to shop around before buying. The cheapest US listing at $525 is the one to target. At that price, you're paying about $16.40 per GB, which isn't great. The affordability percentile sits at 27th, meaning most DDR5 kits in our database offer better price-to-performance. The Canadian listing at CAD 546 is a single data point, but it suggests the US low end is the better deal if you can get it. For a 32GB single stick, the value proposition hinges entirely on finding the $525 price and actually needing the single-stick capacity.

The Kingston Fury Beast KF556C40BB-32 is a single 32GB stick of DDR5 running at 5600 MT/s with CL40 timings. That's a solid speed, landing in the 78th percentile of our database, but the latency is where things get rough. CL40 at 5600 MT/s puts it in the 32nd percentile for latency, which means it's slower to respond than most DDR5 kits we've tested. The capacity is the real draw here. 32GB on one stick gives you room to grow without filling all your slots.

Kingston markets this as a plug-and-play option with Intel XMP 3.0 support and a low-profile heat spreader. The on-die ECC is a nice touch for stability, and the 1.25V operating voltage is efficient. But at 5600 MT/s with loose CL40 timings, this isn't a kit for chasing benchmark records. It's a practical, single-stick capacity play for builds that need RAM now and might want more later.

Skip this if you're building a gaming PC or a performance workstation. The CL40 latency is a real weak spot, and single-channel operation cuts your memory bandwidth in half until you add a second stick. At 27th percentile for affordability, you're paying more for less performance. If you want speed, grab a 2x16GB 6400 MT/s CL32 kit from Corsair or G.Skill instead. Those kits cost less, run faster, and give you dual-channel bandwidth out of the box. The only reason to buy the Fury Beast is if you absolutely need 32GB on one stick for a compact build or a specific upgrade path.

The Kingston Fury Beast KF556C40BB-32 is a niche product that does one thing well: it puts 32GB on a single stick. The 5600 MT/s speed is fine, but the CL40 latency drags it down to the 32nd percentile, and the price per GB is hard to justify when faster 2x16GB kits cost less. If you specifically need single-stick capacity for a future upgrade path or a compact build, this works. Otherwise, you're paying a premium for mediocre latency and single-channel bandwidth. The $525 US price is the only one worth considering, and even then, it's a tough sell against 6400 MT/s CL32 kits from Corsair, G.Skill, and Crucial.