CMS 32GB (2x16GB) DDR4 21300 2666MHz Non ECC DIMM Memory - Reliable

In this review of the CMS 32GB (2x16GB) DDR4 21300 kit, the bottom line is simple: this is a straightforward, no-frills memory upgrade for owners of compatible HP/Compaq Pavilion 690-series gaming desktops who want a reliable jump to 32GB of RAM. The reviewer found the kit easy to install, stable in daily use, and backed by a clear lifetime exchange policy from the manufacturer. If your system supports DDR4-2666 unbuffered DIMMs and you need more multitasking headroom, this kit delivers the capacity and compatibility you expect without unnecessary extras.

Key Features

• Guaranteed compatibility: Computer Memory Solutions states compatibility with the listed HP/Compaq Pavilion 690 models, which reduces uncertainty when upgrading.
• 32GB total capacity: Two matched 16GB modules provide a full 32GB for better multitasking and heavier workloads compared with typical factory configurations.
• DDR4-2666 performance: The DDR4-21300 2666MHz speed offers a reliable balance of throughput and latency for gaming and productivity tasks on supported systems.
• Non-ECC, unbuffered DIMM: Standard desktop DIMM form factor (288-pin) and 1.2V operation make it suitable for consumer gaming desktops that do not require ECC memory.
• Lifetime exchange warranty: Buying directly from the manufacturer provides a lifetime repair or exchange against manufacturing defects for long-term peace of mind.

Who It's For

This kit is best for owners of HP/Compaq Pavilion 690-0020 or 690-0021nf gaming desktops who want to upgrade to 32GB using the system's two DIMM sockets. It suits gamers, content creators, and multitasking users who need more RAM for modern applications and background tasks.

Those who should look elsewhere include users whose systems require ECC or registered memory, laptops, or machines that do not support DDR4-2666 unbuffered 288-pin DIMMs. Also consider higher-frequency or branded OEM modules if your motherboard and CPU can benefit from faster memory beyond 2666MHz.

Pros & Cons

Pros

• Reliable matched pair of 16GB modules to reach 32GB and enable dual-channel operation.
• Manufacturer warranty with lifetime exchange or repair against defects when purchased directly.
• Standard 1.2V unbuffered DIMMs that fit most consumer desktops using 288-pin DDR4 sockets.

Cons

• Performance limited to DDR4-2666; will run at the slowest installed module or CPU capability if mixed with other RAM.
• Product appearance may vary from pictures, so visuals are for reference only.

Specifications

Our Verdict

The CMS 32GB (2x16GB) DDR4-2666 kit is a practical, cost-effective upgrade for compatible Pavilion 690 gaming desktops, providing ample capacity and dependable operation backed by a lifetime exchange policy. It is good value for users who need more multitasking memory without pursuing the highest memory frequencies or server-class features.

Frequently Asked Questions

Will this kit work in a Pavilion 690-0020?
Yes, Computer Memory Solutions lists compatibility with the Pavilion 690-0020; the kit is designed for that model when the system accepts DDR4-2666 unbuffered DIMMs.

Can I mix these modules with my existing RAM?
You can mix manufacturers in many cases, but all memory will operate at the slowest installed speed and matched pairs are recommended for best performance.

Is this ECC or registered memory?
No, these are Non-ECC, unbuffered DIMMs intended for consumer desktop use.