which of these gives better read-write performance USB Flash/SD Flash/SDHC Class 6 Flash/Micro SDHC/CF Cards?

When used with a PC, is there any evidence of which of these are faster?
USB Flash Drive
SD Flash Card
SDHC Class 6 Flash Card
Micro SDHC Card
CF Card

Well, that all depends on which version of usb you use.

USB 2.0 – 480Mbps
USB 1.1 – 12Mbps
SD/SDHC – ~2Mbps
Im not sure of the other ones, but i can tell you that USB 2.0 is going to be way faster than everything else

Adobe flash cs4 tutorial: Custom Classes

Pelican 0910-010-110 Secure Digital Memory Card Case $15.94 Pelican 0910 Memory Card Case 0910-010-110 Storage Media Cases…

Kingston 8GB SDHC CLASS 4 FLASH CARD (Memory & Blank Media / Memory- SD- Full Size/SDHC) $19.99 8GB SDHC CLASS 4 FLASH CARD. Class 4 speed rating with 4MBps minimum data transfer rateBuilt-in write-protect switch prevents accidental data lossCompatible with SDHC host devices not compatible with standard SD-enabled devices/readersIncludes lifetime warranty…

New Kingston 4gb Sdhc Secure Digital High Capacity Card Class 4 Sd4/4gb High Storage Capacity $2.92 Kingston Technology’s Secure Digital High-Capacity (SDHC) memory card is designed to meet the storage demands of high-quality digital still and video cameras and other high-resolution image recording devices….

Surefire LX2 LumaMax Dual-Output LED Flashlight $170.99 Virtually indestructible LED emitter regulated to maximize output and runtime Two output levels—high for maximum light, low for extended runtime TIR lens produces tight beam with enough surround light for peripheral vision High-strength aerospace aluminum body, Mil-Spec hard-anodized for extreme durability Includes high-energy 123A batteries with 10-year shelf life The LX2 is a compact dua…

Brinkmann 800-5000-0 Q-Beam LED Rechargeable Spotlight with Night Vision $53.97 Ultra – bright Brinkmann Q – Beam LED Rechargeable Spotlight with Night Vision. SAVE BIG! Night-searing X-Lamp XP-E LEDs on this Q-Beam Spotlight crank out 600 lumens on high power! Switch between the standard white light and 33 red “night vision” LEDs for a muted, but effective lighting option in the dark. Simply pull the on / off trigger switch to activate the light. It’s built to last, too… h…

GloWear 8260FRHL Class 2 FR Modacrylic Vest, Small/Medium, Lime …