Crucial 16GB DDR5 RAM, 4800MHz CL40 Laptop Memory, SODIMM 262-Pin Module, Compatible with 12th Gen Intel Core - CT16G48C40S5
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AI Verdict
This 16GB DDR5 4800MHz CL40 SODIMM module is a baseline laptop memory upgrade for 12th Gen Intel Core and AMD Ryzen 7000 Series systems.
This 16GB DDR5 4800MHz CL40 module is a situational fit because it provides a functional DDR5 upgrade for compatible laptops, but its entry-level speed and latency mean it won't unlock the full performance potential of DDR5. It's a straightforward capacity bump rather than a performance boost for demanding applications.
If you need more performance, look for DDR5 SODIMM modules with speeds of 5600MHz or higher and lower CL (CAS Latency) timings, typically CL36 or lower.
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Pros
- Provides 16GB DDR5 capacity at 4800MHz, boosting multitasking and system responsiveness for laptops.
- Operates at a low 1.1V, which is standard for DDR5, contributing to power efficiency.
- SODIMM 262-pin form factor ensures compatibility with laptops.
- Optimized for 12th Gen Intel Core and AMD Ryzen 7000 Series processors, supporting Intel XMP 3.0 and AMD EXPO.
- Backed by Micron's 42 years of memory expertise, with rigorous testing at component and module levels.
- Users report easy installation and immediate functionality upon setup.
Cons
- The 4800MHz speed and CL40 latency represent the lowest tier of DDR5 performance, with some users noting it's "as bad as it gets for DDR5".
- Limited overclocking potential means you won't squeeze extra performance beyond its rated specs.
- Non-ECC design means it lacks error-correcting code, which is a drawback for professionals working with critical data.
- Performance under heavy workloads may not be as robust as higher-speed DDR5 modules.
- Some real-world testing suggests that faster DDR4 kits can outperform this DDR5 in certain latency-sensitive tasks.
Dimension Scores
At 4800MHz CL40, this is the base specification for DDR5, offering minimal performance advantage over faster DDR4 in some real-world scenarios.
It's specifically designed and optimized for 12th Gen Intel Core and AMD Ryzen 7000 Series laptop processors, supporting both XMP 3.0 and EXPO.
User feedback and reviews indicate this module has limited to no overclocking potential, running strictly at its JEDEC specifications.
Crucial, a Micron brand, has 42 years of memory expertise, and the module is rigorously tested, with users reporting it works perfectly out of the box.
Best For
- Laptop users with 12th Gen Intel Core or AMD Ryzen 7000 Series processors needing a basic DDR5 upgrade.
- Budget-conscious individuals looking to move to DDR5 without high-performance demands.
- Users replacing a single, smaller capacity DDR5 stick in a compatible laptop.
Not Recommended For
- Enthusiasts seeking maximum gaming or content creation performance from their DDR5 system.
- Professionals requiring ECC memory for data integrity in critical applications.
- Users with systems capable of utilizing significantly faster DDR5 speeds and lower latencies.
Watch Out For
- Limited overclocking potential means you're stuck at 4800MHz CL40, with no headroom for performance tuning.
- While compatible with 12th Gen Intel and Ryzen 7000, some users reported hiccups when pairing with older motherboards, requiring careful compatibility checks.
- The 4800MHz CL40 specification is considered the lowest standard for DDR5, and some users feel it's "as bad as it gets for DDR5".
- If your laptop already has a faster DDR5 stick, adding this 4800MHz module might cause the faster stick to underclock to match, potentially reducing overall performance.
Full Specifications
| RAM | 16 GB DDR5 |
| ASIN | B09S2MN8JH |
| Brand | Crucial |
| Series | CT16G56C46S5 |
| Voltage | 1.1 |
| Language | German |
| Batteries | 1 AAAA batteries required. |
| Item Weight | 0.035 ounces |
| Manufacturer | Crucial |
| Memory Speed | 4800 MHz |
| Item model number | CT16G48C40S5 |
| Compatible Devices | Laptop |
| Product Dimensions | 2.74 x 0.15 x 1.18 inches |
| Computer Memory Size | 16 GB |
| Computer Memory Type | SODIMM |
| RAM Memory Technology | DDR5 |
| Item Dimensions LxWxH | 2.74 x 0.15 x 1.18 inches |
| Standing screen display size | 16 Inches |
What Buyers Say
Many users just needed a basic DDR5 stick to get their new laptops running or to increase capacity, and this Crucial module fits that bill by working right out of the box with no fuss. However, the 4800MHz CL40 speed is often highlighted as the bare minimum for DDR5, leading some to question its actual performance gains over optimized DDR4 or faster DDR5 options. It's a functional upgrade, but not a performance powerhouse.
“Needed a quick RAM upgrade for my new laptop, and this just worked! Not the fastest thing ever, but my system feels snappier for everyday stuff, which is all I really cared about.”
Common Praise
- Works perfectly with compatible laptops like the Razer Blade 16 (2023).
- Easy to install and recognized immediately by the system.
- Provides a noticeable performance boost for general system responsiveness and multitasking.
- Good value proposition for those needing a basic DDR5 module.
Common Complaints
- The 4800MHz CL40 is considered the lowest speed and highest latency for DDR5, making it less appealing for performance users.
- Limited overclocking potential means no extra performance can be squeezed out.
- Some users found that faster DDR4 kits could outperform this DDR5 in certain real-world applications due to latency differences.
- Not ideal for users building a 'flashy rig' due to its standard, non-aesthetic design.
Ownership Tips
- No unexpected blue screens or stability issues after weeks of use.
- Laptop boots slightly faster and handles more browser tabs without slowing down.
- Doesn't run hot, even under moderate load, despite lacking a heat spreader.
- The performance difference isn't mind-blowing for gaming, but general application loading is smoother.
Frequently Asked Questions
Is this RAM compatible with my laptop?
This module is designed for laptops compatible with DDR5 SODIMM memory and is optimized for 12th Gen Intel Core and AMD Ryzen 7000 Series processors. Always check your laptop's manufacturer specifications for exact compatibility.
Will this improve my gaming performance?
It can provide a performance boost over slower or less capacious RAM by improving multitasking and system responsiveness. However, its 4800MHz CL40 speed is entry-level for DDR5, so don't expect top-tier gaming gains compared to faster DDR5 modules.
Is installation difficult?
Users generally report easy installation, with the module working immediately out of the box. You just need to ensure proper alignment and seating in the SODIMM slot.
Does this RAM support Intel XMP or AMD EXPO?
Yes, this module supports both Intel XMP 3.0 and AMD EXPO, which can help ensure it runs at its advertised speeds on compatible platforms.
Is this ECC memory?
No, this is non-ECC (Error-Correcting Code) memory. If you require ECC functionality for critical data applications, you'll need to look for specific ECC-enabled modules.
Buying Guide
When you're looking at laptop memory like this, you're essentially buying a temporary workspace for your computer's brain (the CPU). More RAM means your laptop can juggle more tasks, keep more browser tabs open, and run more demanding applications without slowing down. For DDR5, you're getting the newest generation, which generally means higher speeds and more efficient power use, but the specific speed and latency matter a lot.
Capacity (16GB)
Speed (4800MHz)
Latency (CL40)
Alternatives
If this module doesn't quite cut it, look for DDR5 SODIMM RAM with higher speeds, typically 5600MHz or 6000MHz, and aim for lower CL timings like CL36 or even CL30 for a more noticeable performance boost.
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