Crucial 128GB Kit (2X64GB) DDR5 RAM 5600MHz (or 5200MHz or 4800MHz) Laptop Memory Kit, SODIMM 262-Pin, Compatible with Latest Intel Core Ultra and AMD Ryzen 8000 & Above – CT2K64G56C46S5
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Availability:
Only 3 left in stock, order soon!
Arrives
Tuesday, Sep 1
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Size: 128GB Kit (2X64GB)
Style: 5600MHz
Features
- High performance 5600MHz & high density 64GB module right out-of-the-box: Empowers your system to multitask better, load, analyze, edit, and render faster, game with higher frame rates, uncover data insights faster, enhance productivity to save time
- Enhanced multitasking and efficiency: 128GB kit DDR5, 5600MHz high-speed RAM improving multitasking and workflow efficiency 5600MHz that can downlock if system only supports 5200MHz or 4800MHz
- Seamless high-bandwidth RAM: 128GB kit DDR5 RAM compatible with latest Intel Core Ultra & 14th Gen and AMD Ryzen 8000 Series and above laptops
- Micron quality and reliability: As one of only three global memory manufacturers, and with 45 years of memory expertise, Micron delivers cutting-edge engineering and superior component and module-level testing for all Crucial DRAM products
- Enhanced Compatibility: Intel XMP 3.0 and AMD EXPO supported on the same RAM module
Description
CT2K64G56C46S5is the Crucial 128GB kit consisting of (2) 64GB laptops modules that operate at the speed of 5600MHz and has a CAS Latency of 46. It is an SODIMM and conforms to the industry standard DDR5 SODIMM layout of 288 pins. It is compatible with systems that can take DDR5-5600 SODIMM memory.
Brand: Crucial
Computer Memory Size: 128 GB
RAM Memory Technology: DDR5
Memory Speed: 5600 MHz
Compatible Devices: Laptop
RAM Memory Technology: DDR5
Memory Speed: 5600 MHz
Compatible Devices: Laptop
Additional Features: Registered Memory
Voltage: 1.1 Volts
Column Address Strobe Latency: 46
Form Factor: SO-DIMM
Data Transfer Rate: 6400 MHz
Number of Pins: 262
Memory Form Factor: SODIMM
Memory Generation: DDR5
RAM Size: 128 GB
Brand: Crucial
Model Name: 128GB Kit DDR5 RAM 5600MHz Laptop Memory
UPC: 649528944214
Manufacturer: Crucial
Model Number: CT2K64G56C46S5
Mfr Part Number: CT2K64G56C46S5
Warranty Description: Limited Lifetime Warranty
Global Trade Identification Number: 14
Unit Count: 1.0 Count
Item Weight: 9.4 Grams
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Sep 1
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 64GB Kit (2x32GB)
Style: 5600MHz
Upgraded my laptop from 16GB to this Crucial 64GB DDR5 SODIMM kit. Installation was straightforward and the system recognized the full 64GB immediately on first boot, with no BIOS changes required. After installation, I also replaced the CMOS battery as part of routine maintenance, and the system continued to boot normally and detect the RAM without any configuration changes. Memory was verified using system tools (dxdiag / system information), confirming the full 64GB is available. In daily use, the upgrade provides a noticeable improvement in multitasking stability, especially when running multiple applications and browser tabs at once. The system feels more responsive under load compared to 16GB. In terms of operation, the RAM runs cool in normal laptop use, automatically negotiates supported DDR5 speeds (up to 5600MHz depending on system), and has a simple OEM-style SODIMM design with no heatsinks or lighting. The RAM arrived well packaged and installed cleanly with no compatibility issues. Overall, a stable and straightforward upgrade that delivers the expected performance improvement and integrates cleanly with the system.
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Reviewed in the United States on May 27, 2026 Reviewed in the United States on May 27, 2026 by DBO Scents
Size: 32GB Kit (2x16GB)
Style: 5600MHz
I upgraded my laptop with the Crucial 32GB DDR5 RAM kit (2x16GB), and the difference was immediate. Installation was quick and painless — the modules fit perfectly and were recognized right away with no issues. Performance is noticeably smoother, especially when multitasking, running demanding applications, and handling heavier workloads. My system automatically ran the memory at the supported speed (5600MHz in my case), and everything has been stable with zero crashes or compatibility problems. Crucial continues to deliver reliable, high-quality memory. The build feels solid, and it’s reassuring to know it’s compatible with both Intel Core and AMD Ryzen 7000 systems. For anyone looking to extend the life of their laptop or significantly boost performance, this RAM kit is an excellent value and a worthwhile upgrade.
...
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Reviewed in the United States on January 15, 2026 Reviewed in the United States on January 15, 2026 by Chris Thompson
Size: 32GB Kit (2x16GB)
Style: 5600MHz
Crucial 32GB DDR5 RAM is fast, reliable, simple to install. This RAM doesn't heat up excessively even during heavy gaming sessions. At 5200MHz there is very little latency (delay) in operations. So far, I have been running all my games and CAD/CAM software at full capacity with no issues. This upgrade RAM is well worth the price.
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Reviewed in the United States on May 24, 2026 by Alan B
Size: 32GB Kit (2x16GB)
Style: 5600MHz
The Crucial 32GB DDR5 RAM Kit with two 16GB sticks at 5600MHz is a powerhouse upgrade for any modern system. Installation is straightforward and the performance boost is immediate, especially for multitasking, gaming and creative workloads. Programs load faster, system responsiveness improves and memory-hungry applications run smoothly without hiccups. It’s also a great value for the speed and capacity, with solid build quality and compatibility across a range of motherboards. Whether you’re building a new rig or upgrading an existing one, this kit delivers excellent results with no fuss. Highly recommended for users who want speed and stability without overcomplicating the process.
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Reviewed in the United States on October 6, 2025 by Dazzza
Size: 32GB Kit (2x16GB)
Style: 5600MHz
Omg this kit was so easy to install, runs smoothly, no errors, laptop booted right on up almost immediately, did not have to go into any boot menus or restarts, latency so far is good, just can’t believe I got it right on the first try, it cost a pretty penny though but has given me more confidence to upgrade my SSD just need to get over the fear of reinstalling windows and its drivers
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Reviewed in the United States on June 7, 2026 Reviewed in the United States on June 7, 2026 by Lashun w.
Size: 96GB Kit (2x48GB)
Style: 5600MHz
Installed this 96GB kit in my GMKtec K10 with the i9-13900HK, and it works flawlessly. Runs at full speed, stable, and recognized instantly. Perfect match for high-performance mini PCs or laptops that support DDR5. Great quality and excellent value from Crucial.
Reviewed in the United States on January 25, 2026 by Sebastián Gil
Size: 64GB Kit (2x32GB)
Style: 5600MHz
Doubled my RAM to 64GB for Unreal Engine animation development that wants about 37 GB. The results are amazing, no more rendering bottlenecks, room for multitasking a video encoder and editor, and about 20 GB headroom to spare. Installation was easy. Price was slightly on sale.
Reviewed in the United States on March 19, 2026 by Bon Homme
Size: 64GB Kit (2x32GB)
Style: 5600MHz
My bios didn't like it and required a lot of work to get it functioning, but it does work. I had to put one stick in SODIMM 1 and boot the laptop with the power cord plugged in (my battery was fully charged) and then shut down, unplug power cord, unhook battery, disassemble back access plate and install the second stick. It would not power on the first time without the power cord plugged in and I tried everything I could think of to get it to power on. Once it updated the BIOS, it was good to go.
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Reviewed in the United States on June 4, 2026 by Slushpuppy154