Sony
Sony DRX-840U 20x External Dual-Layer DVD Burner
★★★★★
Reliable External DVD Burning for All Your Media NeedsThe Sony DRX-840U External DVD Burner provides versatile and dependable performance for burning and reading DVDs and CDs. Its USB 2.0 interface ensures easy connectivity and broad compatibility. Type: External DVD Burner Interface: US...
$85.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Reliable External DVD Burning for All Your Media Needs
The Sony DRX-840U External DVD Burner provides versatile and dependable performance for burning and reading DVDs and CDs. Its USB 2.0 interface ensures easy connectivity and broad compatibility.
- Type: External DVD Burner
- Interface: USB 2.0
- DVD+R Double Layer (DL): 12X
- DVD+R: 20X
- DVD+RW: 8X
- DVD-R Dual Layer (DL): 12X
- DVD-R: 20X
- DVD-RW: 6X
- DVD-RAM: 12X
- CD-RW: 48X/32X/48X
- DVD-ROM: 16X
- Sustained Transfer Rate: 21MB/s (16x DVD-ROM)
- Burst Transfer Rate: 480MB/s
- Average Access Time: 130ms (DVD 16x), 110ms (CD 48x)
- Media & Modes Supported: DVD-R/-R DL/-RW, DVD+R/DVD+R DL/+RW, DVD-ROM, DVD-Video, CD-DA, CD-ROM (XA), CD Extra, Video CD, Photo CD1 and CD Text
- System Requirements: 10GB Hard Drive, Windows Vista, Windows XP Home or Professional (SP2) Operating Systems or Windows 2000 (SP4) Operating Systems, 256MB RAM, Pentium III 800MHz or faster (or equivalent) CPU minimum Processor, Pentium IV 2.0GHz or faster (or equivalent) CPU is recommended for real-time video authoring/editing
Key Features
BOARD FOR DVD BURNER
DRX840U
PC Board PLC/Add-On Board
PLCs/Machine Control
Specifications
Device Type
External Dual-Layer DVD Burner
DVD Burn Speed
20x
Component Role
BOARD FOR DVD BURNER
Part Number
DRX840U
Category
PC Board PLC/Add-On Board
Application
PLCs/Machine Control
Pros & Cons
👍 Pros
- Features 20x DVD burning capability, allowing for fast and efficient writing of data to DVD media.
- External form factor provides flexibility for use across multiple computer systems without internal installation constraints.
- Supports dual-layer DVD burning, enabling greater storage capacity on compatible discs for large data sets or backups.
- Utilizes an add-on board design, suggesting a dedicated and potentially optimized hardware solution for optical media operations.
- Functions as a PC board PLC/Add-On Board component, indicating specialized integration for reliable data transfer and control.
👎 Cons
- As an external unit, it requires an available USB port and a power outlet, which may limit portability in some setups.
- The product description highlights a "board for DVD burner" and "PC Board PLC/Add-On Board," which could imply it is an internal component or a specific part for a larger system rather than a complete plug-and-play external device.
- Specific connectivity options beyond its general external nature are not detailed, which could be a concern for modern systems.
- Lacks explicit mentions of software included for burning or playback, which might necessitate separate purchases or downloads.
- The "PLCs/Machine Control" feature may suggest a more industrial or specialized application rather than a general consumer accessory.
Frequently Asked Questions
Is the Sony DRX-840U a complete, ready-to-use external DVD burner?
The product is described as a "BOARD FOR DVD BURNER" and "PC Board PLC/Add-On Board," which suggests it may be a component or an add-on board rather than a standalone, complete external DVD burner for typical consumer use.
What kind of burning speeds can be expected from this device?
The Sony DRX-840U offers a 20x burning speed for DVDs, enabling efficient and relatively quick data writing to optical media.
Does this DVD burner support writing to dual-layer DVDs for increased storage?
Yes, this unit is specified as a "Dual-Layer DVD Burner," indicating its capability to write data to dual-layer compatible discs.
What are the primary applications for a device with a "PC Board PLC/Add-On Board" classification?
The classification "PC Board PLC/Add-On Board" and "PLCs/Machine Control" suggests this component might be designed for specialized industrial or machine control applications beyond typical consumer data backup.
Is this device compatible with all operating systems right out of the box?
The provided information does not specify operating system compatibility; users should consult Sony's support resources for driver availability and system requirements.
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