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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 8GB DDR4 2133MHz CL15 260-Pin SODIMM 1Rx8 for HP 799087-971 820569-005 T0H90AA Laptop RAM

SKU CH-WFR2-QTJPD

8GB DDR4 2133MHz CL15 260-pin SODIMM laptop memory module compatible with HP part numbers 799087-971, 820569-005 and T0H90AA

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • Boosts multitasking with 8GB DDR4 2133MHz capacity
  • Speeds data handling at PC4-17000 CL15 timing
  • Fits HP laptops matching 799087-971 820569-005 T0H90AA
  • Runs cool on standard 1.20V DDR4 power
  • Reliable unbuffered 260-pin SODIMM with major-brand chips

8GB DDR4 2133MHz CL15 SODIMM

This is an A-Tech 8GB DDR4 2133MHz CL15 260-pin SODIMM module designed as a compatible replacement for HP part numbers 799087-971, 820569-005 and T0H90AA. It operates at 1.20V with unbuffered, non-ECC architecture using major brand chips. The module suits laptop, notebook and all-in-one systems requiring this specific speed and form factor.

Who this suits and who should look elsewhere

This module suits owners of compatible HP systems needing an 8GB DDR4 2133MHz upgrade to improve multitasking and responsiveness. It is not for buyers whose laptops require a different DDR generation, a different pin count, ECC or registered memory, or a voltage other than 1.20V. Systems limited to lower maximum capacities or different form factors cannot use this module.

Deciding specification: DDR4 2133MHz 260-pin SODIMM

The single specification that determines fit is the DDR4 2133MHz 260-pin SODIMM interface with CL15 latency at 1.20V. Your system must accept DDR4 SO-DIMM modules at this exact speed and pin configuration; a different generation, speed grade or form factor will not install or function. Verify your device documentation for this precise memory type before ordering.

How it compares

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

Price $40.99
Cheaper than about 64% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $5.12 per GB
Cheaper than about 63% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity8 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

How do I install this 260-pin DDR4 SODIMM in my laptop, and what step do people often miss?

Power off the laptop, remove the battery if accessible, open the memory compartment, align the notch on the module with the slot key, insert at an angle, then press down firmly until both side clips click — the step most people miss is pressing evenly on both ends until the clips engage fully.

What maintenance or replacement will this 8GB DDR4 module need over time?

No routine maintenance is required; keep the laptop vents clean to avoid overheating the 1.20V memory, and replace the module only if memory errors appear or you need more than 8GB capacity.

What limit appears first when this CL15 DDR4 2133MHz RAM runs under sustained heavy load?

The 2133MHz speed and CL15 latency set the throughput ceiling; under sustained load the memory controller will hit that bandwidth limit before the 1.20V voltage or thermal envelope becomes a bottleneck.

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