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Green circuit board with black chips and gold edge connector

A-Tech

A-Tech 4GB DDR3 1066MHz PC3-8500 CL7 1.5V 204-Pin SODIMM Laptop RAM

SKU CH-YPZD-8W23W

4GB DDR3 1066MHz SO-DIMM laptop memory upgrade running at 1.5V with CL7 latency

  • Total capacity4 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 4GB capacity lets you run more programs simultaneously with a single 4GB module
  • DDR3 1066MHz speed delivers responsive data transfer at PC3-8500 rating
  • CL7 latency provides quick memory access for smoother multitasking
  • 204-pin SODIMM form factor fits standard laptop memory slots
  • 5V standard voltage ensures broad compatibility with DDR3 systems

4GB DDR3 1066MHz Laptop SODIMM

This A-Tech module provides 4GB of DDR3 memory at 1066MHz with CL7 latency. It uses the 204-pin SO-DIMM form factor and runs at the standard 1.5V voltage. The unbuffered, non-ECC design suits mainstream laptop and all-in-one upgrades.

Suits owners of compatible DDR3 laptops needing

The module replaces Micron parts MT16JSF51264HZ-1G1D1 and MT16JSS51264HY-1G1A1. Systems requiring ECC or registered memory cannot use this unbuffered non-ECC module. Buyers needing more than 4GB total capacity should look elsewhere.

DDR3 1066 (PC3-8500) speed rating

This specification determines whether the module matches the system's memory controller. Verify the supported speed before purchase to ensure compatibility. All units undergo quality assurance testing for reliable performance.

How it compares

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

Price $17.99
Cheaper than about 90% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.50 per GB
Cheaper than about 75% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.5 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Will the 204-pin DDR3 SODIMM fit my laptop's memory slot?

This module uses the standard 204-pin SO-DIMM form factor for DDR3 laptop memory; verify your system requires DDR3 SO-DIMM before purchasing.

What is the correct way to seat the module so it locks in place?

Align the notch on the module's gold edge with the slot key, insert at a slight angle, then press down firmly until both side clips snap shut.

Does the 1.5V DDR3 module need any firmware updates or periodic replacement?

No firmware is involved; the RAM is a passive component rated for 1.5V standard voltage and does not require scheduled replacement.

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