The Metal Gear Solid HD Collection won't fit on one Xbox 360 DVD disc - Konami has had to use two.
On PS3, only one Blu-ray disc was needed.
There's no word on how the Xbox 360 content is split across the two discs.
Konami has also revealed that the HD, console revamp of PSP game Metal Gear Solid: Peace Walker will have online mulitplayer for six people. We found out earlier this month that Peace Walker HD will also allow online co-op for four.
The Metal Gear Solid HD Collection contains HD remasters of Metal Gear Solid 2: Sons of Liberty, Metal Gear Solid 3: Snake Eater and Metal Gear Solid: Peace Walker. Also included are "conversions" of MSX games Metal Gear 1 and 2. The VR Missions released alongside MGS2: Substance are thrown in, too.
The Metal Gear Solid HD Collection will be released in Japan on 23rd November. A European date hasn't been announced.