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Green PCB memory module with black chips and gold contacts

Patriot Memory

Patriot Signature 16GB DDR4 2666MHz CL19 desktop RAM

SKU CH-HQYC-WXJBC

16 GB DDR4 module running at 2666 MHz with CL19 latency and 1.20 V operation for straightforward desktop upgrades

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19-43
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Capacity 16GB

Speed DDR4 2666 (PC4 21300)

CAS Latency CL19

  • 16 GB capacity expands multitasking headroom for demanding applications
  • DDR4 2666 MHz speed raises data throughput for smoother system response
  • CL19 19-19-19-43 timings balance latency and stability at standard voltage
  • 20 V operation reduces power draw and heat in everyday workloads
  • 100 % tested unbuffered UDIMM ensures reliable plug-and-play upgrades

16GB DDR4 2666MHz module

This single Patriot Signature module provides 16GB of DDR4 memory at 2666MHz with CL19 latency. It is an unbuffered, non-ECC UDIMM built for mainstream desktop systems that need extra capacity for everyday multitasking.

Upgrade from lower-capacity or slower DDR4

The jump makes sense when your board has free 288-pin slots and the current kit is smaller than 16GB or runs below 2666MHz. Adding this module raises total capacity and lets the memory controller operate at the rated 2666MHz speed.

Check slot count and maximum supported speed

Verify that your motherboard accepts 288-pin DDR4 UDIMMs and confirm the highest memory frequency it supports without overclocking. The module runs at 1.20V standard voltage and requires no heat spreader clearance.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $75.99
Cheaper than about 55% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $4.75 per GB
Cheaper than about 76% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand namePatriot
Product lineSignature Line
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19-43
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

2 more in the same range

Questions about this item

Will this 16GB DDR4 2666MHz CL19 module work in my motherboard?

It fits any desktop board with a 288-pin DDR4 slot that accepts unbuffered non-ECC UDIMMs at 1.20V.

Does the CL19 19-19-19-43 timing affect everyday performance?

CL19 is standard for 2666MHz DDR4; you will see normal responsiveness in office work, browsing and light gaming.

Is anything else needed to install this stick?

No extra parts — just an empty 288-pin DDR4 slot and a screwdriver to open the case.

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