2x 512MB PC133 SODIMM Laptop RAM – 1GB Kit – WinSystems Qimonda Chips – Fully Tested
✅ 1GB Total (2 × 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:
  • Two matching 512MB PC133 modules for optimal dual-channel performance
  • Features high-quality Qimonda DRAM chips known for reliability in vintage laptops
  • Assembled in USA – Clearly labeled on both modules
  • Gold contacts for excellent conductivity and long-term stability
  • Low-density design perfect for older systems that require it
This 1GB PC133 SODIMM kit is ideal for upgrading or repairing early 2000s laptops and notebooks. It works great in many Dell, IBM ThinkPad, HP, Toshiba, Gateway, and even some Apple PowerBook G3/G4 models that support PC133 memory.Perfect for:
  • Restoring classic laptops
  • Building retro gaming or workstation setups
  • Maintaining legacy industrial or embedded systems
Detailed Specifications:
  • Total Capacity: 1GB (2 × 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:
Used in excellent working condition. Both modules have been individually tested with MemTest86 and show zero errors. Light signs of normal age and previous use are visible (see 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 confirm your laptop or device supports PC133 SODIMM before buying.
Country of Origin: Assembled in USA
What's Included:
  • 2 × WinSystems 512MB PC133 144-Pin SODIMM RAM modules (as pictured)
Ready to upgrade your vintage laptop? Fast shipping with tracking included!