The correct block RAM utilization v5.1 Rev2 of the core is shown below:
| Block RAM | |
| 64-bit Sink | 3 (36k block RAM) 1 (18k block RAM) |
| 32-bit Sink | 2 (36k block RAM) 1 (18k block RAM) |
| 64-bit Source | 3 (36k block RAM) 1 (18k block RAM) |
| 32-bit Source | 2 (36k block RAM) 1 (18k block RAM) |