Crucial 16GB DDR5-5600 CL46 SODIMM (CT16G56C46S5)

The Crucial CT16G56C46S5 is a 16GB DDR5 SODIMM with a 4.8/5 rating from 2,642 reviews, putting it in the 98th percentile for buyer satisfaction. It runs at 5600 MT/s with CL46 latency, which is solid speed but loose timings at the 23rd percentile. Shop carefully, prices range from USD 156 to USD 280 for the same stick.

5600 MT/s is the headline number, and it's a meaningful step up from DDR4's 3200 MT/s ceiling. Crucial claims up to 1.75x more data transfer, and in real-world terms that translates to snappier file transfers and better multitasking headroom. The 78th percentile speed ranking puts it above average, but not in the top tier. You're getting good bandwidth without paying for bleeding-edge clocks.

The trade-off is latency. CL46 with 46-45-45 timings is loose, even for DDR5. That 23rd percentile latency ranking means this stick falls behind most of the competition when it comes to responsiveness in latency-sensitive workloads. For everyday laptop use, browsing, office apps, light gaming, you won't feel it much. But if you're chasing frame times or doing memory-intensive work, there are tighter options out there. The 1.10V operating voltage is a plus for thermals and battery life in laptops.

Against the Corsair Vengeance CMK32GX5M2B6000Z30W, this Crucial stick gives up a lot of speed and latency. The Corsair kit runs at 6000 MT/s with CL30 timings, which is a completely different league for responsiveness. The Patriot Viper Venom PVV532G640C32K pushes even further to 6400 MT/s. But those are desktop kits, and this Crucial module is a SODIMM for laptops. In the laptop memory space, the Team Group T-FORCE DELTA RGB and G.Skill Trident Z Royal are also desktop-focused, so the Crucial's real competition is other laptop SODIMMs. The V-Color Manta XSky is a closer match in form factor, but it's a 32GB kit. If you need 16GB in a single SODIMM with broad compatibility, the Crucial holds its own. If you're building a desktop and care about latency, look elsewhere.

The price spread on this stick is genuinely wild. In the US, you'll find it anywhere from USD 156 to USD 280 across five listings. That's a USD 124 gap for the exact same module. The best deal we're seeing is at the USD 156 end, and at that price it's a reasonable buy for a 16GB DDR5 SODIMM. At USD 280, you're overpaying by a lot. In Canada, the spread is even worse: CAD 232 to CAD 463. The affordability ranking sits at the 47th percentile, right around average, but that's dragged down by the high-end listings. Shop around before you buy, because the same stick can cost nearly double depending on where you click.

The Crucial CT16G56C46S5 is a 16GB DDR5 SODIMM stick running at 5600 MT/s with a CL46 latency. That speed lands in the 78th percentile in our database, which is solid for a laptop module, but the latency is a weak spot at the 23rd percentile. The social proof is the real story here: a 4.8 out of 5 rating across 2,642 reviews puts it in the 98th percentile for buyer satisfaction. People genuinely like this stick.

It's a single 16GB module, so it's aimed at laptops and small systems that need a capacity bump or a DDR5 upgrade. The 1Rx8 configuration and 1.10V operating voltage keep power draw low, which matters for battery life. It supports both Intel XMP 3.0 and AMD EXPO on the same module, so you're not locked into one platform. That flexibility is nice, but the loose timings mean it's not chasing benchmark glory.

If you're building a desktop or care about memory timings, this isn't your stick. The CL46 latency at the 23rd percentile is a real weak spot, and the server performance score of 28.8/100 makes it a poor choice for any kind of server or workstation duty. Gamers chasing frame times or anyone doing latency-sensitive work should look at tighter kits like the Corsair Vengeance or Patriot Viper Venom. And if you're on a tight budget, the 47th percentile affordability ranking means there are cheaper DDR5 options out there, especially if you don't need the SODIMM form factor.

The Crucial CT16G56C46S5 is a dependable, no-drama laptop memory upgrade. The 4.8/5 rating from 2,642 buyers tells you it installs easily and runs stable, which is exactly what most people want from a RAM stick. The 5600 MT/s speed is a genuine improvement over DDR4, and the dual XMP/EXPO support means it'll work in a wide range of systems. The CL46 latency is the main compromise, and it's a real one if you're sensitive to timings. But for a laptop that needs more capacity or a DDR5 bump, this is a safe pick, especially if you can snag it near the USD 156 end of the price range.