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Diamond Multimedia
Diamond Multimedia DS3900V2 docking station
Connects a notebook or tablet to dual displays, gigabit Ethernet, audio and six USB ports through a single USB 3.0 cable
- Ports SpecConnectors: DVI HDMI RJ-45 Gigabyte Ethernet Port USB 2.0 Po
- Dimension1.30" x 3.40" x 8.80"
- Weight1.00 lbs.
- FeaturesSystem Requirements: Compatible with Microsoft Windows 8.1,
- Connect two external displays via DVI and HDMI ports
- Add wired Gigabit Ethernet through the RJ-45 connector
- Six USB ports include two USB 3.0 and four USB 2.0
- 5 mm audio line-out and microphone input built in
- Compact 1.30 x 3.40 x 8.80 inch design weighs 1.00 lbs
Dual-video USB 3.0 docking station
The Diamond Multimedia DS3900V2 connects to a notebook or desktop PC through a single USB 3.0 B port and adds two external displays via HDMI and DVI. It also provides four USB 2.0 ports, two USB 3.0 ports, gigabit Ethernet, 3.5 mm line-out and microphone input, plus a DC power jack for the included adapter. The DisplayLink DL-3900 chipset handles video over the USB link, so no native video output on the host is required.
Passive cooling and bus-powered peripherals
The enclosure measures 1.30 x 3.40 x 8.80 inches and weighs 1.00 lbs with no moving parts, so it runs silently on a desk. Each USB 2.0 port delivers up to 2.0 A and each USB 3.0 port up to 3.0 A for charging phones or powering portable drives. The gigabit Ethernet port negotiates at line rate without adding audible coil whine, and the external power adapter keeps the dock within its thermal envelope during typical office workloads.
Sustained multi-display and data loads
Under continuous dual-monitor use the DisplayLink driver compresses video over the USB 3.0 link, so sustained throughput depends on host CPU capacity and available USB bandwidth rather than a dedicated GPU. Heavy file transfers across the two USB 3.0 ports and the gigabit Ethernet port share the same 5 Gbit/s upstream connection, which can become the limiting factor. The dock supports Windows 7, 8, 8.1 and macOS with a 1.2 GHz processor, SSE2 support and 30 MB free disk space for the driver package.
Highlights
- Connect two external displays via DVI and HDMI ports
- Add wired Gigabit Ethernet through the RJ-45 connector
- Six USB ports include two USB 3.0 and four USB 2.0
- 5 mm audio line-out and microphone input built in
- Compact 1.30 x 3.40 x 8.80 inch design weighs 1.00 lbs
Specifications
| Brand | Diamond Multimedia |
|---|---|
| Model | DS3900V2 |
| Ports Spec | Connectors: DVI HDMI RJ-45 Gigabyte Ethernet Port USB 2.0 Ports x 4 DC Power Jack USB 3.0 Ports x 2 USB 3.0 B Female 3.5mm Lineout/Mic input Chipset: DisplayLink DL-3900 Number of Displays Supported: 2 Max resolution: 2048 ×1152 HDCP: Yes, Protected video playback HDCP 2. |
| Dimension | 1.30" x 3.40" x 8.80" |
| Weight | 1.00 lbs. |
| Features | System Requirements: Compatible with Microsoft Windows 8.1, 8, Windows 7 and MAC OS Processor: 1.2 GHz or faster with SSE2 support One USB 3.0/2.0 port 30 megabytes (MB) of free disk space 10MB Hard Disk space 1GB System Memory Available CD-ROM or DVD-ROM Drive The Diamond DS3900V2 Ultra Dock Dual Video USB 3.0/2.0 Docking Station enables multiple USB devices to be connected to the computer using a single USB3.0 cable. Now with one simple cable connection to your computer, you can have access to large screen displays, stereo speakers, external hard drive, optical disk drive, printers |
| Shipping weight | 1.04 kg |
| Package size | 25 × 25 × 25 mm |
Questions about this item
How do I install the DS3900V2 and which step do people often miss?
Connect the dock to your notebook using the USB 3.0 B cable, install the DisplayLink DL-3900 driver before attaching monitors, then plug the DC power adapter into the jack. The step most people skip is installing the driver first — without it the DVI and HDMI outputs stay dark.
What maintenance or replacement will the DS3900V2 need later?
The unit has no user-serviceable parts or internal battery. Maintenance is limited to keeping the RJ-45 Gigabit Ethernet, six USB ports (four USB 2.0, two USB 3.0), DVI, HDMI and 3.5 mm audio connectors free of dust. If the external power supply fails, replace it with an equivalent DC adapter.
What limit appears first during sustained heavy use of the DS3900V2?
The DisplayLink DL-3900 chipset shares the host's single USB 3.0 uplink, so continuous high-resolution video on both displays plus heavy USB 3.0 disk traffic will saturate that 5 Gbps link before the dock's own ports or Gigabit Ethernet reach their individual ceilings.
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