Corsair CMK64GX5M2B6400C32

The Corsair Vengeance CMK64GX5M2B6400C32 is a 64GB DDR5 kit running at 6400 MT/s with CL32 timings, landing in the 95th percentile for speed. It's expensive but delivers best-in-class performance for Intel builds. Worth it if you need the capacity, overkill if you don't.

At 6400 MT/s with CL32-40-40-84 timings, this kit delivers the kind of bandwidth that makes DDR4 look like it's standing still. The 1.4V XMP profile is easy to enable on supported Intel boards, and once it's running, you'll see real gains in memory-heavy workloads like rendering, simulation, and high-refresh gaming. The 64GB capacity means you can run multiple VMs or edit 8K footage without sweating. Just remember, out of the box it'll boot at JEDEC speeds around 4800 MT/s until you flip on XMP in the BIOS.

Against the Kingston FURY Beast KF564C32BWEAK2-64, the Corsair kit matches it on capacity but edges ahead on speed and latency. The G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG runs at 6000 MT/s with tighter CL26 timings, so it's a wash depending on whether your workload prefers bandwidth or latency. The Crucial Pro Overclocking CP2K16G64C32U5B is a 32GB kit, so it's half the capacity but much cheaper. The KLEVV CRAS V RGB and Patriot Viper Xtreme 5 both offer RGB if you want flash, but neither matches this Corsair kit's combination of speed and capacity.

This kit isn't cheap. In the US you're looking at USD 1,230 to 1,330, and Canadian buyers face a CAD 365 spread from CAD 1,512 to 1,877. European pricing runs EUR 1,163 to 1,395. If you're in Canada, Memory Express has the best deal at the low end of that range. For the money, you're getting best-in-class speed and capacity, but you need to actually use 64GB to justify it. If you're just gaming, a 32GB kit at similar speeds will save you a pile of cash.

The Corsair Vengeance CMK64GX5M2B6400C32 is a 64GB dual-channel DDR5 kit running at 6400 MT/s with CL32 timings. That's a serious amount of fast memory, and it's aimed squarely at Intel builds with XMP 3.0 support. The aluminum heat spreaders are low-profile enough to clear most air coolers, which is a nice touch for a kit this dense.

We've seen this kit land in the 95th percentile for speed and 90th for capacity in our database. That puts it near the top of the charts for desktop DDR5. The latency is also strong at the 88th percentile, so you're not trading responsiveness for raw bandwidth.

If you're on an AMD platform or just gaming, look elsewhere. AMD boards won't take full advantage of the Intel-tuned XMP profile, and a 32GB kit at similar speeds will save you hundreds. Server builders should also steer clear, this kit scores in the 43rd percentile for server use and lacks full ECC support.

If you're building a high-end Intel workstation or a gaming rig that also handles heavy multitasking, this kit is a no-brainer. The 64GB capacity and 6400 MT/s speed put it in rare company. Just make sure your motherboard and CPU can actually handle XMP at these speeds, because not all boards will hit 6400 MT/s stable.