FireWire 800 to 400, 1394b to 1394a, 9 Pin Male to 4 Pin Male Cable, B — Tera Grand
ExpressCard FireWire 1394b; 1394a card, 3 Port | $175
150cm Ieee 1394 Cable 9 Pin To 6 Pin Male To Male Beta 1394a Firewire 800 To 1394b Firewire 400 Cable For Video Capture Card - Pc Hardware Cables & Adapters - AliExpress
Kentek 9 pin male 6 pin female IEEE-1394a 1394b IEEE1394 Firewire iLINK DV adapter converter coupler M/F 800/400 Mbps PC MAC black - Walmart.com
Amazon.com: XMSJSIY Firewire Adapter,1394a 6 pin Female to 1394b 9 pin Male IEEE 400 to 800 Data Transfer Adapter Converter : Electronics
Amazon.com: CERRXIAN FireWire IEEE 1394 Type A 400 6 Pin Female to 1394 Type B 800 9 Pin Male Data Transfer Adapter Converter : Electronics