SATA Data Cable with Metal Latches for Hard Drive, Connect SATA Devices to Motherboard or Host… for $0.39 + free shipping
18" SATA cable with one 90 degree end for cheap. Limited to the first 400 users, though.
Use coupon code MLCKR12BNL1 to knock this down to $0.39 with FREE Shipping. Ships from a China warehouse. Most customers receive in 2-3 weeks.