Toshiba alternatives, similar GPUs

Palit GeForce GTX 560 Ti 448 cores
Specifications

Inno3D GeForce GTX 570
Specifications

MSI R6450-MD2GD3/LP
Specifications

MSI MX400 Pro-VT32S
Specifications

MSI G4 Ti4400-VTD
Specifications

MSI G4 Ti4600-VTD
Specifications

Gainward GeForce4 PowerPack! Pro/600 TV Golden Sample
Specifications

Gainward GeForce4 PowerPack! Ultra/750XP Golden Sample
Specifications

Gigabyte GV-N460OC-1GI (rev. 3.0)
Specifications

Gigabyte GV-N550WF2-1GI
Specifications

Gigabyte GV-N550D5-1GI
Specifications

PNY Commercial Series GeForce GT 520
Specifications