ITEM NAME:4GB CF Digital Memory Card For EOS 400D Digital Rebel XTi Description: It is the high-performance choice for digital image capture and storage. Type: CompactFlash Storage Capacity: 4GB Dimension: 1.65 x 1.4 x 0.12 in (4.19 x 3.56 x 0.3cm) Speed: 133X Master: SMI222 Granule: MLC Plug and play Supports Windows/MacOS For digital cameras,cellular phones,GPS,MP3 players and PDAS Package Includes: One CF Memory card Note: Note: Be incompatible with Olympus cameras SKU: CKX0002420010009851.Storage Capacity: 4GB. It is the high-performance choice for digital image capture and storage. SKU: CKX0002420010009851. Speed: 133X.