小黃屋賣的是8MB cache版本的

ST305004FDE1E1-RK
Computers come and go, but your content should always be nearby. The FreeAgent desktop drive is the best place to gather and access all of your important photos, movies, music, games and documents. Simply plug in the power and the USB cable and you’re ready to go.

Specifications
# Capacity: 500GB
# Form factor: 3.5”
# Interface: USB 2.0
# Spindle Speed: 7200RPM
# Cache: 8MB
# Warranty: 5-year limited warranty
# Weight: 2.0 kg
# Dimension: 7.5" tall x 1.6" thin (without 3.2" wide base) x 6.4" deep