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Green circuit board with black memory chips, 260 gold pins along bottom edge

OWC

OWC 8GB DDR4 2133MHz CL15 1.2V 260pin SODIMM memory upgrade for HP EliteBook 820 G3

SKU CH-FX25-QK3ZQ

8GB DDR4 2133MHz SODIMM module upgrades HP EliteBook 820 G3 system memory

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCNo
  • Boost responsiveness with 8GB DDR4 2133MHz CL15 module
  • Low 1.2V operation cuts power draw and heat
  • 260-pin SODIMM fits HP EliteBook 820 G3 slot
  • JEDEC and RoHS compliant for warranty-safe upgrade
  • Dual-rank 2Rx8 unbuffered design maximises throughput

Targeted upgrade for the EliteBook 820 G3

This 8 GB DDR4 SODIMM is built specifically for the HP EliteBook 820 G3 laptop. It delivers a straightforward capacity increase for professionals who need smoother multitasking and faster application switching on that platform. The module matches the factory memory specification exactly.

Thermals noise and power draw

Operating at the standard 1.2 V DDR4 voltage, the module runs cool and draws minimal power from the notebook battery. With no heat spreader and no active cooling required, it adds no audible noise to the system. The JEDEC-compliant design keeps thermal output within the laptop's original engineering limits.

What the compliance and testing change

Full JEDEC and RoHS compliance means the upgrade preserves the existing system warranty and avoids compatibility errors. OWC tests every module in-house to meet or exceed the OEM specifications for the 820 G3. The result is a reliable, warranty-safe installation that restores or improves responsiveness without configuration changes.

Highlights

  • Boost responsiveness with 8GB DDR4 2133MHz CL15 module
  • Low 1.2V operation cuts power draw and heat
  • 260-pin SODIMM fits HP EliteBook 820 G3 slot
  • JEDEC and RoHS compliant for warranty-safe upgrade
  • Dual-rank 2Rx8 unbuffered design maximises throughput

Specifications

BrandOWC
Part Number2S1D42R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP EliteBook 820 G3

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Questions about this item

How do I install the 260-pin DDR4 SODIMM in my EliteBook 820 G3, and what step do people often miss?

Power off, unplug, and remove the battery if accessible. Open the memory door, 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 hard enough to engage both clips fully.

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

No routine maintenance is required. The module has no heat spreader and no moving parts. If errors appear, run a memory diagnostic; otherwise it lasts the laptop's life. Replacement is only needed if you want more capacity or a faster spec.

What limit shows up first under sustained use with this CL15 1.2V module?

The 2133MHz speed and CL15 latency are fixed by JEDEC spec. Under sustained load the bandwidth ceiling of PC4-17000 is reached before thermal throttling, since the unbuffered SODIMM runs at standard 1.2V without a spreader.

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