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Green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 2GB DDR3 1066 CL7 1Rx8 204-pin 1.5V SODIMM for HP Pavilion dv4

SKU CH-S54K-16AR9

A 2 GB DDR3 1066 MHz SODIMM module for HP Pavilion dv4 laptops needing a memory upgrade

  • Capacity2GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • 2GB capacity adds multitasking headroom for HP Pavilion dv4
  • DDR3 1066 speed matches factory memory specification exactly
  • CL7 latency supports responsive application switching
  • 5V JEDEC voltage ensures warranty-safe compatibility
  • 204-pin SODIMM form factor fits laptop memory slot directly

Targeted upgrade for HP Pavilion dv4

This OWC module is a 2 GB DDR3 SODIMM built specifically for HP Pavilion dv4 laptops that use DDR3 memory. It installs in a single 204-pin slot to add capacity without requiring matched pairs.

Thermals noise and power

Operating at 1.5 V with standard JEDEC timings, the unbuffered non-ECC design draws minimal power and produces no audible noise. The lack of a heat spreader keeps the profile low for tight laptop chassis.

Build quality and daily use

JEDEC and RoHS compliance ensures reliable operation across compatible laptop, mini PC and NAS platforms. The single-rank 1Rx8 organisation and CL7 latency at 1066 MHz provide straightforward drop-in installation for everyday multitasking.

Highlights

  • 2GB capacity adds multitasking headroom for HP Pavilion dv4
  • DDR3 1066 speed matches factory memory specification exactly
  • CL7 latency supports responsive application switching
  • 5V JEDEC voltage ensures warranty-safe compatibility
  • 204-pin SODIMM form factor fits laptop memory slot directly

Specifications

BrandOWC
Part Number8S5D31R802GB
Capacity2GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemHP Pavilion dv4 Series using DDR3 Memory

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Questions about this item

How do I install the 204-pin SODIMM in my HP Pavilion dv4, and what step is often missed?

Power off the laptop, remove the battery, open the memory compartment, align the notch on the module with the slot key, press firmly until the side clips click, then replace the cover and battery before turning on.

What maintenance or replacement will this DDR3 module need over time?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so it runs until a fault appears or a capacity upgrade is desired.

What limit appears first when the 1066 MHz CL7 memory runs under sustained load?

The 1.5 V DDR3 specification caps voltage headroom, so thermal throttling or stability limits are reached before bandwidth saturation in typical laptop workloads.

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