The primary, longest slot used exclusively for dedicated graphics cards.
⚠️ Some DH61 variants added USB 3.0 via a separate controller, but original H61 lacked native USB 3.0. Intel Desktop Board 21 B6 E1 E2 Manual
Below is a technical guide and manual-style overview based on the typical hardware specifications for boards carrying this marking. 1. Product Overview The primary, longest slot used exclusively for dedicated
Most boards bearing this layout footprint feature either Socket LGA 775 (supporting Core 2 Duo/Quad) or LGA 1155 (supporting 2nd and 3rd Generation Intel Core i3/i5/i7 processors). Intel Desktop Board 21 B6 E1 E2 Manual
4x to 6x Serial ATA (SATA) ports (supporting 3 Gbps / 6 Gbps interfaces)