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Green rectangular circuit board with gold edge contacts and black memory chips

OWC

OWC 4GB DDR3 1066 PC3-8500 CL7 2Rx8 204-pin 1.5V Non-ECC SODIMM memory upgrade for Dell Inspiron 15z 1570

SKU CH-ADQM-ZY7BR

4GB DDR3 1066 CL7 SODIMM upgrades the Dell Inspiron 15z 1570 with JEDEC-standard memory

  • Capacity4GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • Boosts multitasking with a single 4GB DDR3 1066MHz module
  • JEDEC and ROHS compliant for a warranty-safe upgrade
  • CL7 latency and 1.5V operation match OEM specifications
  • 204-pin SODIMM fits Dell Inspiron 15z 1570 directly
  • 2Rx8 unbuffered design installs easily without tools

System-Specific DDR3 SODIMM for Dell Inspiron 15z

This OWC module provides a 4GB DDR3 1066 PC3-8500 CL7 upgrade in a 204-pin 1.5V non-ECC SODIMM form factor. It is validated for the Dell Inspiron 15z 1570 laptop. The single-rank 2Rx8 design meets JEDEC standards for a warranty-safe installation. Buyers needing higher capacity than a single 4GB stick can provide should look elsewhere.

Replaces factory DDR3 SODIMM modules in the 15z 1570

The jump is worthwhile when the original 2GB or 4GB stick limits multitasking or forces excessive paging. Matching the existing PC3-8500 CL7 speed avoids down-clocking the memory controller. Systems already running at the platform maximum or requiring ECC registered memory will not benefit from this module.

Tool-free installation under the laptop access panel

Align the notch on the 204-pin edge connector with the slot key and press firmly until the retention clips click. The most common issue is inserting the module at an angle, which prevents the clips from engaging. No heat spreader is fitted, so clearance is minimal; verify the slot is clean before seating the module.

Highlights

  • Boosts multitasking with a single 4GB DDR3 1066MHz module
  • JEDEC and ROHS compliant for a warranty-safe upgrade
  • CL7 latency and 1.5V operation match OEM specifications
  • 204-pin SODIMM fits Dell Inspiron 15z 1570 directly
  • 2Rx8 unbuffered design installs easily without tools

Specifications

BrandOWC
Part Number8S5D32R804GB
Capacity4GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell Inspiron 15z 1570

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Questions about this item

Will the 204-pin SODIMM fit the memory slot in my Dell Inspiron 15z 1570?

Yes, the module uses the standard 204-pin DDR3 SODIMM form factor that matches the slot in the Dell Inspiron 15z 1570.

How do I install this SODIMM and what step often goes wrong?

Power off the laptop, remove the battery if possible, open the memory cover, insert the module at an angle until the contacts are fully seated, then press down until the retention clips lock; the step most often missed is pressing firmly enough for both clips to engage.

What maintenance or replacement will this 4GB DDR3 module need later?

No routine maintenance is required; if a memory error appears, reseat the module or test with a known-good stick, and replace only if the module itself has failed.

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