
Roofull ECD819-SU3
Score: 80/100
Rioddas BT638
Score: 69/100Rankings

The ROOFULL RF40-SU is a versatile USB-3.0 external CD/DVD drive that adds a USB hub and card readers, making it a handy all-in-one solution for modern laptops, though it lacks Blu-ray capability and macOS hardware eject.

The Rioddas External CD/DVD Drive is a compact USB 3.0 optical drive that reads and writes all common CD and DVD formats without an external power brick. It offers fast data rates, broad OS support, and a sleek brushed-metal finish, but lacks a warranty and Blu-ray capability.
| Attribute | ![]() | ![]() |
|---|---|---|
625 MB/sbest | 625 MB/sbest | |
8 Xbest | 8 Xbest | |
8 Xbest | 8 Xbest | |
24 Xbest | 24 Xbest | |
24 Xbest | 24 Xbest | |
18 monthsbest | 0 months | |
| ↓ lower better | — | 2.5 Wbest |
| ↓ lower better | 300 g | 199 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility(1) | ||
Supported Disc Formats | CD‑ROM, CD±R, CD±RW, VCD, SVCD, DVD‑ROM, DVD±R, DVD±RW, DVD‑RAM, DVD±R DL | CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL, DVD-RAM |
General(1) | ||
Warranty Period (months) | 18 months | 0 months |
Build & Design(1) | ||
Weight (g) | 300 g | 199 g |
Accessories(1) | ||
Included Accessories | Protective carrying case; removable 2‑in‑1 USB cable (Type‑A & Type‑C); auxiliary USB‑to‑micro USB power cable | USB drive, User manual, Type-C adapter |
Power & Energy(1) | ||
Power Source | USB-powered | USB bus powered |
Connectivity(1) | ||
USB Ports (ports) | 2 ports | 1 ports |


Products in the top-left offer the best value (high score, low price).

Reviewers praise the rare combination of a disc drive, USB hub and card readers, noting the dual connectors and auxiliary power cable as smart design choices for ultrabooks.
Users love the instant plug-and-play performance, fast speeds, and built-in SD reader, while complaints focus on power requirements for low-power devices and lack of Chrome OS support.

Professional reviewers praise the USB 3.0 interface, copper-mesh heat-dissipation and brushed-metal chassis, noting the Type-C adapter as a forward-looking feature while calling it a budget-tier solution due to the lack of Blu-ray.
Everyday users appreciate the instant plug-and-play experience, sleek look and reliable eject button, though some report occasional recognition issues and the need to keep the laptop plugged in.
“Worked instantly on my Windows 11 HP laptop - no setup needed.”

“Great for backing up family photos to DVDs - fast and reliable.”

“Customer service is outstanding - replaced my faulty unit quickly.”


