
Dell DW316
Score: 67/100
Rioddas BT638
Score: 69/100Rankings

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.

The Dell DW316 is a compact, bus-powered external DVD±RW drive offering plug-and-play USB 2.0 connectivity and broad OS support, but its older interface and lack of modern features like M-DISC and USB-C limit its appeal for newer systems.
| Attribute | ![]() | ![]() |
|---|---|---|
60 MB/s | 625 MB/sbest | |
8 Xbest | 8 Xbest | |
8 Xbest | 8 Xbest | |
24 Xbest | 24 Xbest | |
24 Xbest | 24 Xbest | |
12 monthsbest | 0 months | |
| ↓ lower better | 8 W | 2.5 Wbest |
| ↓ lower better | 200 g | 199 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility(2) | ||
Supported Disc Formats | DVD‑R, DVD+R, DVD‑RW, DVD+RW, DVD‑R DL, DVD+R DL, DVD‑RAM, CD‑R, CD‑RW, CD‑ROM | CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL, DVD-RAM |
Operating System Compatibility | Windows 7, 8, 8.1, 10, 11; macOS | Windows, macOS, Linux |
General(1) | ||
Warranty Period (months) | 12 months | 0 months |
Build & Design(1) | ||
Weight (g) | 200 g | 199 g |
Accessories(1) | ||
Included Accessories | USB drive, User manual, Type-C adapter | |
Power & Energy(2) | ||
Power Source | Bus-powered | USB bus powered |
Power Consumption (W) | 8 W | 2.5 W |
Performance(2) | ||
Data Transfer Rate (MB/s) | 60 MB/s | 625 MB/s |
Buffer Memory (MB) | 0.75 MB | 2 MB |
Connectivity(1) | ||
Interface Type | USB 2.0 | USB 3.0 |


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

Professional reviewers at B&H highlight the DW316's straightforward plug-and-play design, solid USB 2.0 transfer rates, and the added value of CyberLink Media Suite, positioning it as a reliable, no-frills solution for users needing external optical media access.
Everyday users praise the drive for its immediate plug-and-play operation, dependable read/write results, and solid Dell build quality, while recurring complaints focus on outdated bundled software, vibration during high-speed burns, and the lack of a USB-C adapter or M-DISC support.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.
“Plug and play, just plug it in and go.”

“Works wonderfully, as good as a built-in drive.”

“Plug-and-play works great on Windows 11 and macOS.”

