High-performance 4GB DDR2 Laptop Memory Single Module, HP Spare Part Number 511871-001 (Original Elpida OEM Manufacture). This premium, fully benched unbuffered laptop memory stick is engineered for high-density legacy system upgrades, laptop expansions, and vintage mobile workstation maintenance.Technical Specifications:
- Brand: Elpida Memory (HP OEM Certified Component)
- HP Spare Part Number: 511871-001
- HP Assembly Part Number: 517588-001
- Configuration: Single Module (1x 4GB)
- Memory Type: DDR2 SDRAM
- Speed Rating: PC2-6400S / DDR2-800 (800MHz Native Baseline)
- Configuration Layout: Dual Rank x8 (2Rx8 Layout / 16 Chips Total)
- Timings: CL6 JEDEC Standard Profile (6-6-6 Parameters)
- Operating Voltage: 1.80V Standard Power Rail
- Form Factor: 200-Pin Laptop SO-DIMM
- ECC Support: Non-ECC UnbufferedPerformance Features:
- Original Elpida High-Density Silicon Core Architecture
- HP Certified Factory Firmware Profile StabilityCompatibility Note:
- Specialized Legacy Laptop Hardware Only: Compact 200-pin laptop SO-DIMM architecture. Please cross-reference your specific legacy notebook or mobile workstation technical manuals before purchasing. Note: This is an incredibly rare, hyper-specific 4GB single-stick high-density DDR2 module. It is engineered strictly for specific late-2000s legacy high-end laptops, mobile workstations, and industrial embedded systems (such as premium HP EliteBook, Compaq, or mobile thin-client terminals) whose chipsets explicitly support 4GB configurations per individual slot. It is completely physically and electrically incompatible with standard 240-pin desktop DIMM slots, newer DDR3/DDR4 laptop configurations, or standard consumer systems limited to a maximum threshold of 2GB per lane.
