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Green circuit board with black memory chips and gold edge connector

Patriot Memory

Patriot Memory PSD416G266681S 16GB DDR4 2666 CL19 laptop RAM

SKU CH-GDHW-YT3H7 MPN PSD416G266681S

A 16 GB DDR4 2666 CL19 SODIMM module running at 1.2 V for laptop upgrades

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19-43
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 16 GB capacity boosts multitasking headroom
  • DDR4 2666 speed keeps data flowing smoothly
  • CL19 latency reduces access delays
  • 2 V operation lowers power draw
  • 260-pin SO-DIMM fits standard laptop slots

16GB DDR4 2666 laptop module

This Patriot Signature SODIMM delivers 16GB of DDR4 memory at 2666 MT/s for notebooks that accept 260-pin modules. It suits users upgrading a single slot or replacing older sticks to reach a higher total capacity.

1.20V operation and CL19 timing

The module runs at the standard 1.20V DDR4 voltage with CAS latency 19 and 19-19-19-43 timings. Lower voltage keeps power draw modest during typical workloads, while the unbuffered, non-ECC design adds no extra electrical load to the memory controller.

260-pin SO-DIMM form factor

Installation requires a laptop motherboard with a DDR4 SO-DIMM slot supporting 2666 MT/s operation. The single 16GB stick leaves additional slots free for future expansion if the chassis provides them, but buyers needing ECC or registered memory must choose a different module.

How it compares

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

Price $47.99
Cheaper than about 60% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $3.00 per GB
Cheaper than about 91% of the 1,886 comparable items (median $5.94 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
Model namePSD416G266681S
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19-43
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Size & build
Shipping weight0.45 kg
Package size147 × 48 × 10 mm

Questions about this item

How do I install the 260-Pin DDR4 SO-DIMM and what step is often missed?

Align the notch on the module with the slot key, insert at a 30-degree angle, then press down firmly until both side clips click — the click is the step people skip.

What maintenance or replacement will the 16GB DDR4 2666 module need later?

No routine maintenance is required; replacement is only needed if the system no longer recognises the module or if a higher capacity is desired.

What limit appears first when the CL19 1.20V memory runs under sustained load?

The CL19 latency and 1.20V voltage are fixed; sustained load hits the module’s rated timing ceiling before any thermal throttle occurs.

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