Note: Compatible only with FBD Server motherboards. Non-ECC, non-registered, not for desktop or laptop use. Please verify compatibility before purchase. FBD stands for Fully Buffered DIMM, a serial transmission technology designed to enhance memory capacity and transmission bandwidth. This is a new type of memory module and interconnect architecture developed based on DDR2 and DDR3 technologies. FB-DIMM significantly improves system memory bandwidth and greatly increases maximum memory capacity. Capacity: 8GB Speed: DDR2 667MHz Number of Pins: 240 pins Type: Memory RAM Voltage: 1.7V Please note: - Windows XP recognizes approximately 3GB - Windows 7 32-bit recognizes approximately 2.26–4.5GB - Windows 7 64-bit recognizes up to 8–16GB Before purchasing, confirm the correct model for your system. Common DDR2 designations include: PC2-4200 = DDR2 533MHz PC2-5300 = DDR2 667MHz (compatible with DDR2 533MHz) PC2-6400 = DDR2 800MHz (compatible with DDR2 667MHz and DDR2 533MHz) PC2-8500 = DDR2 1066MHz Product appearance and color may vary between batches but will not affect performance. Size: 13.3cm Material: Metal + PCB Color: Blue + Green Package Contents: 1 x RAM module Note: The package includes only the items listed above. Other accessories are not included. Lighting and display settings may cause slight variations in color representation between the image and the actual product. Measurement tolerance is +/- 1–3cm.