4x 512MB PC133 SODIMM Laptop RAM – 2GB Kit – WinSystems Qimonda Chips – Fully Tested
✅ 2GB Total (4 × 512MB) PC133 SODIMM Memory Kit
✅ Brand: WinSystems
✅ Memory Chips: Premium Qimonda (Infineon) HYB39S256800FF-7
✅ Speed: PC133 / 133MHz SDRAM
✅ Form Factor: 144-Pin SODIMM (Laptop / Notebook)
✅ Condition: Used – Clean & Fully Tested WorkingProduct Highlights:
  • Four matching 512MB PC133 modules — ideal for maximum memory upgrades
  • Features high-quality Qimonda DRAM chips known for excellent reliability
  • Assembled in USA – Clearly labeled on every module
  • Gold contacts for superior conductivity and long-term performance
  • Low-density design perfectly suited for older systems
This 2GB PC133 SODIMM kit is an excellent upgrade for early 2000s laptops and notebooks. It works well in many Dell, IBM ThinkPad, HP, Toshiba, Gateway, Sony, and some Apple PowerBook G3/G4 models that support PC133 memory.Perfect for:
  • Restoring classic laptops to their maximum supported RAM
  • Building retro gaming rigs or vintage workstations
  • Maintaining legacy industrial, medical, or embedded systems
Detailed Specifications:
  • Total Capacity: 2GB (4 × 512MB)
  • Type: DDR1 SDR SDRAM (PC133)
  • Speed: 133 MHz
  • CAS Latency: CL3
  • Pins: 144-Pin SODIMM
  • Voltage: 3.3V
  • Part Reference: SODIMM144-G-133-512M
Condition:
All four modules are in excellent working condition. Each stick has been individually tested with MemTest86 and passed with zero errors. They show normal light signs of age and previous use (see detailed photos). No bent pins or major damage.
Important Compatibility Note:
This is DDR1 PC133 144-pin SODIMM memory. It is NOT compatible with DDR2, DDR3, or DDR4 systems. Please verify your laptop or device supports PC133 144-pin SODIMM before purchasing.
Country of Origin: Assembled in USA
What's Included:
  • 4 × WinSystems 512MB PC133 144-Pin SODIMM RAM modules (exactly as pictured)
Ready to give your vintage laptop a serious memory boost? Fast shipping with tracking included!