Timetec 16GB DDR4 2400MHz UDIMM vs Timetec 16GB DDR4 2666MHz SODIMM: Spec Comparison
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When comparing the timetec 16gb ddr4 2400mhz udimm vs 16gb ddr4 2666mhz sodimm, you must first check your device type. Both modules offer 16GB of non-ECC capacity and run at 1.2V. The main difference lies in their form factor and target systems. One is a UDIMM for desktops, while the other is a SODIMM for laptops. You cannot swap them. Selecting the wrong type will prevent your computer from booting, regardless of speed or capacity.
Key differences
| Aspect | Timetec 16GB DDR4 2400MHz UDIMM RAM | Timetec 16GB DDR4 2666MHz SODIMM RAM |
|---|---|---|
| Form Factor | 288-Pin UDIMM | 260-Pin SODIMM |
| Compatible Device | Desktop PCs and workstations | Laptops, notebooks, and mini PCs |
| Memory Speed | 2400MHz | 2666MHz |
| CAS Latency | CL17 | CL19 |
Which one should you choose?
Choose Timetec 16GB DDR4 2400MHz UDIMM RAM if
- You are upgrading a desktop computer or workstation.
- You need a 288-pin module that fits standard DIMM slots.
- You prefer a slightly lower latency rating of CL17.
Choose Timetec 16GB DDR4 2666MHz SODIMM RAM if
- You are upgrading a laptop, notebook, or mini PC.
- You require a 260-pin module that fits SODIMM slots.
- You want a higher rated speed of 2666MHz.
Verdict: Choose the UDIMM if you are building or upgrading a desktop system. Choose the SODIMM if you are adding memory to a laptop or small form factor PC. The form factor dictates compatibility, so match the pin count to your motherboard slot first.
Form Factor and Speed Comparison
Form Factor
The Timetec 16GB DDR4 2400MHz UDIMM uses a 288-pin UDIMM form factor, designed specifically for desktop PCs and workstations. In contrast, the Timetec 16GB DDR4 2666MHz SODIMM features a 260-pin SODIMM design intended for laptops, notebooks, mini PCs, and all-in-one systems. You cannot swap these modules; the UDIMM will not fit in a laptop slot, and the SODIMM will not fit in a desktop motherboard. This physical difference dictates your device compatibility first.
Memory Speed
The Timetec 16GB DDR4 2666MHz SODIMM offers a higher base memory speed of 2666MHz compared to the 2400MHz speed of the Timetec 16GB DDR4 2400MHz UDIMM. Higher MHz generally allows for faster data transfer rates between the RAM and the CPU. If your system supports it, the 2666MHz module provides a performance head start. The 2400MHz module is sufficient for standard desktop tasks but runs slower in raw bandwidth metrics.
CAS Latency
The Timetec 16GB DDR4 2400MHz UDIMM has a CAS Latency of CL17, while the Timetec 16GB DDR4 2666MHz SODIMM has a CAS Latency of CL19. Lower latency means the RAM responds faster to commands. Although the 2400MHz module has tighter timing, the 2666MHz module compensates with higher bandwidth. For most users, the difference in latency is negligible, but the lower CL17 value on the UDIMM is technically more responsive per clock cycle.
Compatible Device
You must match the RAM to your hardware. The Timetec 16GB DDR4 2400MHz UDIMM is explicitly designed for selected DDR4 Desktop PCs and workstations. It is not compatible with laptop SODIMM slots. The Timetec 16GB DDR4 2666MHz SODIMM is designed for selected DDR4 Laptops, Notebooks, Mini PCs, and All-In-One systems. It is not compatible with Desktop DIMM slots. Choosing the wrong form factor will prevent installation entirely.
Voltage
Both modules operate at 1.2V. This is the standard voltage for DDR4 memory, ensuring energy efficiency and reduced heat generation compared to older DDR3 standards. Since both the Timetec 16GB DDR4 2400MHz UDIMM and the Timetec 16GB DDR4 2666MHz SODIMM share this identical voltage specification, power consumption and thermal output profiles are comparable. You do not need to worry about voltage incompatibility between these two specific options.
Which Timetec RAM Kit Should You Choose
Desktop PC owners needing standard upgrade
You need a 288-pin UDIMM for your desktop system. This module runs at 2400MHz with CL17 latency. It fits standard DDR4 desktop slots and workstations. The dual rank configuration offers stable performance for everyday computing tasks without requiring complex setup or expertise.
Laptop users seeking faster memory speed
Your device requires a 260-pin SODIMM for laptops or mini PCs. This kit delivers 2666MHz speed with CL19 latency. It is optimized for portable systems and all-in-one computers. The higher clock rate supports smoother multitasking and faster data access in compact form factors.
Users prioritizing lower latency for stability
You value tighter timing for consistent performance. This UDIMM features CL17 latency, which is lower than the SODIMM option. The 2400MHz speed is sufficient for most desktop applications. Its dedicated desktop design ensures compatibility with a wide range of workstation and gaming PC motherboards.
The products compared
Timetec 16GB DDR4 2400MHz UDIMM RAM
Best for: Desktop PCs needing 16GB DDR4 2400MHz
- Total Capacity
- 16GB
- Memory Speed
- 2400MHz
- CAS Latency
- CL17
- Voltage
- 1.2V
- Module Configuration
- 1x16GB
- Form Factor
- UDIMM
View on Amazon: Timetec 16GB DDR4 2400MHz UDIMM RAM Affiliate link
This is a 16GB DDR4 desktop memory module running at 2400MHz. It uses a 288-pin UDIMM form factor with 1.2V voltage and CL17 latency. The module features a black PCB and dual rank (2Rx8) configuration. It is designed for desktop PCs and workstations supporting 288-pin UDIMM slots. It is not compatible with laptop SODIMM slots. You get plug-and-play installation and a limited lifetime warranty.
Pros
- 16GB single module capacity
- 2400MHz memory speed
- 1.2V low voltage operation
- CL17 CAS latency
- 288-pin UDIMM form factor
Cons
- Lower 2400MHz speed compared to 2666MHz alternatives
- Desktop-only UDIMM format, not for laptops
- Standard CL17 latency
Good fit if
- You need 16GB of RAM for a desktop PC
- Your motherboard supports DDR4 2400MHz UDIMM modules
- You prefer a black PCB for case aesthetics
Skip if
- You are upgrading a laptop with SODIMM slots
- You require higher than 2400MHz memory speeds
- You need ECC memory for server workloads
Verdict: Timetec 16GB DDR4 2400MHz UDIMM is a solid choice for desktop users needing standard capacity. It fits systems that specifically support 2400MHz UDIMM modules. It is not suitable for laptops or users seeking higher speeds.
Timetec 16GB DDR4 2666MHz SODIMM RAM
Best for: Laptop and mini PC upgrades
- Total Capacity
- 16GB
- Memory Speed
- 2666MHz
- CAS Latency
- CL19
- Voltage
- 1.2V
- Module Configuration
- 1x16GB
- Form Factor
- SODIMM
View on Amazon: Timetec 16GB DDR4 2666MHz SODIMM RAM Affiliate link
This is a single 16GB DDR4 SODIMM stick running at 2666MHz. It uses a 260-pin form factor and 1.2V voltage. The CL19 latency is standard for this speed class. You need this for laptops, mini PCs, or all-in-one systems that accept SODIMM modules. It is not for desktop computers using DIMM slots. The module is non-ECC and unbuffered, fitting most consumer portable and compact systems.
Pros
- 16GB single module capacity
- 2666MHz memory speed
- 260-pin SODIMM form factor
- 1.2V operating voltage
- CL19 CAS latency
Cons
- Single module limits dual-channel performance
- Not compatible with desktop DIMM slots
- PCB color and rank may vary by batch
Good fit if
- You need to upgrade a laptop's memory
- You are building a mini PC with SODIMM slots
- You require a single 16GB stick for compatibility
Skip if
- You are upgrading a desktop computer
- You need dual-channel performance from a single stick
- You require ECC memory for stability
Verdict: Timetec 16GB DDR4 2666MHz SODIMM fits users upgrading laptops or mini PCs who need a single high-capacity stick. It does not work for desktops or users needing ECC protection.
Specifications side by side
| Spec | Timetec 16GB DDR4 2400MHz UDIMM RAM | Timetec 16GB DDR4 2666MHz SODIMM RAM |
|---|---|---|
| Total Capacity | 16GB | 16GB |
| Memory Speed | 2400MHz | 2666MHz |
| CAS Latency | CL17 | CL19 |
| Voltage | 1.2V | 1.2V |
| Module Configuration | 1x16GB | 1x16GB |
| Form Factor | UDIMM | SODIMM |
| ECC Support | Non-ECC | Non-ECC |
| Height | 1.2 inches | not stated |
| Compatible Device | Desktop | PC, Laptop |
| Size | 16GB | 16GB |
| Dimensions | 5.3 × 0.2 × 1.2 inches | not stated |
| Weight | 1 pounds | not stated |
| Color | black | Black |
| Model | 75TT24NU2R8-8G | 76HN26NUS1R |
Frequently asked questions
Can I use the 2666MHz SODIMM in my desktop computer?
No, you cannot. The Timetec 16GB DDR4 2666MHz SODIMM uses a 260-pin SODIMM form factor. This design is built for laptops and mini PCs. Desktop systems require a 288-pin UDIMM module. The physical size and pin layout prevent this stick from fitting into desktop memory slots.
Is the 2400MHz UDIMM compatible with laptops?
No, the 2400MHz UDIMM is not compatible with laptops. It features a 288-pin UDIMM form factor designed strictly for desktop PCs and workstations. Laptops need the smaller 260-pin SODIMM module. Using the wrong form factor will prevent the system from booting or recognizing the memory.
Do these modules support ECC error correction?
No, neither module supports ECC. Both the Timetec 16GB DDR4 2400MHz UDIMM and the 2666MHz SODIMM are Non-ECC types. They are intended for standard consumer and gaming systems. If your device requires ECC memory for data integrity, these specific Timetec kits will not work.
What is the voltage requirement for these RAM sticks?
Both modules operate at 1.2V. This is the standard voltage for DDR4 memory. It ensures efficient power usage and heat management in both desktop and laptop environments. You do not need to adjust voltage settings in your BIOS for either the UDIMM or SODIMM versions.
Which module has lower latency for faster response?
The 2400MHz UDIMM has lower latency. It features a CAS Latency of CL17. The 2666MHz SODIMM runs at CL19. While the SODIMM has a higher clock speed, the UDIMM’s tighter timing can offer slightly quicker response times in compatible desktop applications.
Can I mix these two modules in a single system?
No, you cannot mix them. They have different form factors and pin counts. The UDIMM is for desktops, and the SODIMM is for laptops. They are not physically interchangeable. Additionally, mixing different speeds and latencies in the same system is not supported by standard DDR4 architecture.