Patriot (PVE2416G400C0K)

The Patriot Viper Elite II is a 16GB DDR4 kit running at 4000 MT/s with CL20 timings, giving it top-tier latency for its class. At the US price of $194, it's a solid value for DDR4 holdouts. European pricing is absurd and should be avoided. Buy this if you're maxing out a DDR4 system, but skip it if you're building new.

Let's talk about what 4000 MT/s actually gets you. For DDR4, this is near the top of the practical range. Most DDR4 platforms top out around 3600-3800 MT/s before you start fighting memory controllers, so hitting 4000 MT/s stable is a real achievement. The speed score sits at the 65th percentile, which sounds middle-of-the-pack until you remember that includes DDR5 kits running at 6000-7600 MT/s. Against other DDR4, this is a standout.

The CL20 latency is the headline spec here. At 4000 MT/s, CL20 gives you 10ns of latency, which is better than a lot of DDR5 kits manage. That 88th percentile latency ranking means this kit responds fast, which matters for gaming frame times and latency-sensitive workloads. The trade-off is voltage. 1.4V is on the higher side for DDR4, which means more heat and more stress on your memory controller. You'll want decent airflow in your case, and you should make sure your board can actually handle 4000 MT/s without throwing errors.

Against the Kingston Fury Renegade KF564C32RWAK2-32, this Patriot kit is playing a different game. The Kingston is 32GB of DDR5 at 6400 MT/s, which crushes the Viper Elite II in capacity and raw bandwidth. But the Patriot wins on latency, and if you're on a DDR4 board, the Kingston isn't even an option. Same story with the G.Skill Trident Z5 RGB at 7600 MT/s. That's a flagship DDR5 kit that makes the Patriot look slow on paper, but it costs significantly more and requires a current-gen platform.

The Corsair Vengeance RGB CMH32GX5M2B600C28 is the closest philosophical competitor. It's also chasing low latency, just on DDR5. The Corsair runs CL28 at 6000 MT/s, which is impressive, but again, different platform. The Crucial Pro Overclocking CP2K16G64C32U5B and Team Group T-CREATE EXPERT are both 32GB DDR5 kits that offer more capacity for similar or less money than the Patriot's European pricing. The real takeaway: this Patriot kit only makes sense if you're locked into DDR4 and want the best latency you can get without a platform swap.

Here's where things get weird. The US listing shows $194, which is reasonable for a high-speed 16GB DDR4 kit. But the European listings are absurd. EUR 563-564 in France and Italy? GBP 319 in the UK? That's DDR5 territory, and not budget DDR5 either. At those prices, you'd be better off buying a whole new platform.

If you can find this kit at the US price point, it's a solid deal. The 80.3 budget score reflects that. You're getting top-tier DDR4 latency and speed for less than most 32GB DDR5 kits. But if you're in Europe and seeing those inflated prices, walk away. The value proposition completely falls apart when you're paying more for 16GB of DDR4 than you would for 32GB of DDR5.

The Patriot Viper Elite II PVE2416G400C0K is a 16GB DDR4 kit that's trying to squeeze the last drops of performance out of a platform most people have already moved on from. Two 8GB sticks, 4000 MT/s, CL20 timings, and a 1.4V XMP profile. It's the kind of kit you buy when you're still rocking a DDR4 board and want to give it one final speed bump before the inevitable platform upgrade.

Who's this for? Budget builders and holdouts. If you're on an older Intel setup or a Ryzen 5000 series rig, this is a way to get high-frequency memory without paying DDR5 prices. The 80.3 budget score tells you the value story here. It's not the cheapest 16GB kit out there, but it's priced well for what it delivers in raw speed.

The interesting bit is the latency. CL20 at 4000 MT/s works out to 10 nanoseconds of first-word latency, which lands in the 88th percentile for all memory kits in our database. That's genuinely good. Most DDR4 kits at this speed run looser timings, so Patriot is doing something right with the binning on these Viper Elite II sticks.

Anyone building a new system should skip this. DDR5 is the current standard, and buying into DDR4 in 2025 means you're starting with a dead-end platform. The 16GB capacity is also a limitation if you do heavy multitasking, video editing, or run virtual machines. The server score of 29.2 out of 100 tells you this isn't meant for any kind of workstation or server duty.

If you're in Europe and seeing those inflated prices, definitely skip it. EUR 563 for 16GB of DDR4 is highway robbery. You could buy a decent 32GB DDR5 kit and a budget motherboard for that money. Look at the Crucial Pro Overclocking or Team Group T-CREATE kits instead if you're building new. If you need DDR4 specifically, wait for prices to come down or look for used kits.

If you're on a DDR4 system and want to squeeze out maximum performance before upgrading, this kit is a strong choice. The 4000 MT/s speed and CL20 latency will give you a noticeable bump in games and latency-sensitive tasks compared to slower DDR4. Just make sure your motherboard and CPU can actually handle 4000 MT/s. Not all memory controllers are up to it, especially on older Ryzen chips.

But if you're building new or have the budget for a platform upgrade, skip this and go DDR5. The capacity ceiling of 16GB is going to feel tight in a couple of years, and the high voltage means you're pushing your hardware harder than necessary. This is a farewell tour kit for DDR4, not a foundation for a new build.