It's only 480i SD. I'd role my own too if I could find a HD component capture card.
Specs listed on web site:
PAL B, G, D, H, I and N, combination
PAL N, PAL M, NTSC M, NTSC-Japan,
NTSC 4.43 and SECAM
480i, 576i
Composite Video
S-Video
Component Video YPbPr
RGB (Composite Sync)
RGB...