680i SLI (NF68):
- AR - First Revision; Lifetime Warranty; Lots of cables; Paper Manual; Quad core OC Issues
- TR - First Revision; 2 Year Warranty; Less cables than AR; PDF Manual; Quad Core OC Issues
- A1 - Same as AR but does not have Quad Core issues
- T1 - Same as TR, but without Quad Core issues
680i LT (NF67):
The
680i LT is exactly the same as the
680i accept for the following:
- PCB is Green (680i is Black)
- Official memory support is DDR2-800 (680i is DDR2-1200)
- 2 PCI-e (2x 16x) (680i has 3 (2x 16x, 1x 8x))
- LT has Dual fans (680i has Heatpipe, with optional fan)
- LT has 1 Ethernet port (680i has 2)
- LT has no LED Post code display
- LT is cheaper (go figure? :))
The
680i LT Revisions are as follows:
- A1 - Lifetime warranty; Lots of cables; Paper manual; no quad core issues
- T1 - 2 year warranty; less cables than A1; PDF Manual, no quad core issues