GeneO
The OCZ is the faster drive over the c300 I will guess ianstein has SATA 6Gbps ports.
Crucial RealSSD C300 CTFDDAA128MAG-1G1 1.8" 128GB SATA III MLC Internal Solid State Drive (SSD)
Sustained Sequential Read: up to 355MB/s
Sustained Sequential Write: up to 140MB/s
OCZ Solid 3 SLD3-25SAT3-120G 2.5" 120GB SATA III MLC
Sustained Sequential Read
up to 500 MB/s (SATA 6Gbps)
up to 280 MB/s (SATA 3Gbps)
Sustained Sequential Write
up to 450 MB/s (SATA 6Gbps)
up to 260 MB/s (SATA 3Gbps)