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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 16GB DDR4 2133 SODIMM laptop RAM

SKU CH-BQA3-NZAE4

16GB DDR4 2133MHz SODIMM laptop memory upgrade with CL15 timing and 1.2V operation

  • Total capacity16 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 16 GB capacity lets you run more apps at once
  • DDR4 2133 MHz speed delivers fast data transfer rates
  • CL15 latency keeps response times low
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM form factor fits standard laptop slots

16GB DDR4 2133 SODIMM upgrade

This 16GB DDR4 2133 SODIMM module is built for laptop, notebook and all-in-one owners who need more memory capacity. It replaces the listed HP part numbers and works with AMD and Intel platforms that accept DDR4 SO-DIMMs. Buyers who need ECC or registered memory cannot use this module.

260-pin unbuffered design at 1.2V

The stick uses a standard 260-pin SO-DIMM edge connector and runs at the DDR4 default voltage of 1.20V. Unbuffered, non-ECC construction means it drops straight into consumer laptop slots without extra BIOS steps. Major-brand chips and factory testing aim to deliver dependable operation day to day.

Single 16GB module at CL15

One 16GB rank runs at DDR4 2133 (PC4-17000) with CAS latency 15. This capacity-per-stick figure decides whether the part fits your board's maximum per-slot limit and matches the speed grade your system expects.

How it compares

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

Price $68.99
Typical for this category: the median of 2,079 items is $70.99.
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $4.31 per GB
Cheaper than about 79% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

What speed does the DDR4 2133 SODIMM actually run at in a laptop?

The module is rated for DDR4 2133 (PC4-17000) and will operate at that frequency if the platform supports it; otherwise it downclocks to the highest speed the memory controller allows.

Will this 260-pin SODIMM fit my HP laptop's memory slot?

Yes, it uses the standard 260-pin DDR4 SO-DIMM form factor and is listed as a direct replacement for HP part numbers including 820571-002, 834942-001 and 865979-001.

How do I install the module and what step do people often miss?

Power off the laptop, remove the battery if possible, open the memory compartment, insert the SODIMM at an angle until the gold contacts are almost hidden, then press down firmly until both side clips click into place — the click is the step many forget.

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