DDR4 2666MHz 16GB Kit (8GBx2) Desktop RAM PC4-21300 UDIMM Non-ECC Unbuffered 1.2V 288-Pin CL19 PC Computer Memory Upgrade Module Kit (Black)

£99.99 (as of 05/31/2026 21:07 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

This DDR4 2666MHz 16GB desktop RAM kit includes two 8GB modules for compatible PCs, offering PC4 21300 speed, Non ECC unbuffered 288 pin DIMM specification, 1.2V operation, CL19 timings, and aluminium alloy heat sink support.

SKU: B0D3BMDSS4 Category:

Quick Verdict

This 16GB DDR4 2666MHz desktop RAM kit is a sensible upgrade for compatible PCs when you want clearer multitasking capacity, stable memory performance, and heat dissipation support.

What This Product Is Used For

This DDR4 2666MHz 16GB desktop RAM kit is a PC computer memory upgrade made up of two 8GB modules for compatible desktop systems. It is used to increase available system memory, helping the computer handle everyday tasks, work, gaming, browsing, and multitasking more smoothly. Compared with a single 8GB module, this 8GBx2 kit provides a larger 16GB total capacity for users who want more breathing room from their desktop memory. Users choose it over simpler options because it includes a defined PC4 21300 2666MHz specification, 288 pin DIMM format, Non ECC unbuffered design, and aluminium alloy heat sink support.

Who This Product Is Best Suited To

This product is best suited to users who are upgrading a compatible desktop PC and are willing to check their motherboard, CPU, RAM slot, RAM frequency, and maximum supported memory before buying. It suits practical PC users who want a clearly specified 16GB DDR4 kit rather than a vague memory listing.

Key Benefits at a Glance

• 16GB total capacity supports easier multitasking
• 8GBx2 kit gives a clear paired desktop memory upgrade
• 2666MHz speed can downclock to 2133MHz or 2400MHz on supported systems
• Aluminium alloy heat sink helps with quick heat dissipation
• Non ECC unbuffered design suits compatible desktop PCs
• 288 pin DIMM format gives a simple compatibility point to check
• 1.2V operation supports reliable everyday memory use

Pros and Cons

Pros
• 16GB capacity gives users more confidence for everyday PC performance
• Aluminium alloy heat sink supports cooling during regular use
• Downclocking support can help with systems limited to 2133MHz or 2400MHz

Cons
• Compatibility must be checked carefully before purchase
• Only suitable for desktop systems that support this DDR4 DIMM specification

Real World Performance and Day to Day Use

In real world use, this DDR4 2666MHz 16GB kit gives a compatible desktop PC a total memory upgrade of two 8GB modules. The kit is specified as PC4 21300, Non ECC, unbuffered, 288 pin DIMM memory with CL19 timings and 1.2V voltage.

The main buying concern is compatibility, and this listing is clear that users should check the motherboard model, CPU, RAM model, RAM slot, RAM frequency, and maximum compatible memory capacity before purchase. Heat is also addressed through the aluminium alloy heat sink, which is designed to increase heat dissipation and help prevent static electricity. The 2666MHz speed can downclock to 2133MHz or 2400MHz if the computer system specification only supports those speeds.

Choose this if
Your desktop PC supports DDR4 288 pin DIMM memory and you want a 16GB 8GBx2 upgrade kit.

Skip this if
Your system needs laptop memory, DDR5 memory, ECC memory, or a different capacity or slot type.

Why We Like This Product

The YPC.co.uk Team likes this because it gives buyers a clearly specified 16GB DDR4 desktop memory kit with useful compatibility details and heat sink support. It helps avoid the common mistake of buying RAM without checking motherboard and CPU support, and it helps reduce regret by stating that 2666MHz can downclock on systems that only support 2133MHz or 2400MHz.

Comparisons With Similar Systems

Compared with 8GB DDR4 desktop RAM
Better when
You want a stronger 16GB total memory upgrade for easier multitasking
Alternative better when
Your system only needs a single 8GB replacement module

Compared with 16GB DDR4 2666MHz RAM kit
Better when
You want an 8GBx2 kit with aluminium alloy heat sink support
Alternative better when
You need a different timing, voltage, capacity, or memory format

Alternatives Worth Considering

Single 8GB DDR4 desktop RAM
16GB DDR4 desktop RAM
32GB DDR4 desktop RAM kit
DDR4 laptop SODIMM memory
DDR5 desktop memory

Tips for Getting the Best Performance

Check your motherboard model, CPU, RAM slot, RAM frequency, and maximum compatible memory capacity before buying. Confirm that your system supports DDR4 DIMM memory, 288 pin format, 1.2V voltage, and Non ECC unbuffered RAM. Install both modules in the correct paired slots according to your motherboard manual. Handle the modules by the edges and make sure they are seated firmly before restarting the computer.

Full Technical Specification

Product Type
Desktop RAM memory upgrade kit

Total Capacity
16GB

Kit Configuration
8GBx2

Memory Type
DDR4

Memory Speed
2666MHz

PC Speed
PC4 21300

ECC Type
Non ECC

Buffer Type
Unbuffered

Form Factor
DIMM

Pin Count
288 pins

Voltage
1.2V

Rank and Configuration
1Rx8 or 2Rx8

Timings
CL19

Downclock Support
Can downclock to 2133MHz or 2400MHz if supported by system specification

Heat Sink
Aluminium alloy heat sink

Colour
Black

Support Response
Service staff response within 24 hours

Buyer’s Guide

Buy this if you want easier multitasking from a compatible 16GB DDR4 desktop memory kit with stronger heat dissipation.
Do not buy this if your motherboard or CPU needs another memory type, because checking compatibility first is safer.

Frequently Asked Questions

What is this DDR4 2666MHz 16GB kit used for?
This DDR4 2666MHz 16GB kit is used to upgrade compatible desktop PC memory for smoother everyday performance and easier multitasking.

How much memory is included in the kit?
This desktop RAM kit includes 16GB total memory as two 8GB modules.

What speed does this RAM kit use?
This memory kit is rated at 2666MHz with PC4 21300 speed.

Can this 2666MHz RAM run at a lower speed?
This RAM can downclock to 2133MHz or 2400MHz if your computer system specification only supports those speeds.

Is this memory ECC or Non ECC?
This desktop memory kit is listed as Non ECC.

What form factor does this RAM use?
This RAM uses a 288 pin DIMM desktop form factor.

Does this kit include heat dissipation support?
This memory kit uses an aluminium alloy heat sink to increase heat dissipation and help prevent static electricity.

What should I check before buying this RAM?
This product should be checked against your motherboard model, CPU, RAM model, RAM slot, RAM frequency, and maximum compatible memory capacity.

Is this RAM suitable for laptops?
This product is desktop DIMM memory, so it is not suitable for laptops that require SODIMM memory.

Brand

Yongxinsheng

Manufacturer

Yongxinsheng

Binding

Personal Computers

Color

Black

Size

8GBx2

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