D-LINK DEM-421XT Transceiver
- Brand: D-Link
- Category: Network Accessories
- SKU: DLDEM421XT
- MPN: DEM-421XT
D-Link DEM-421XT 10Gigabit XFP (10GBASE-SR)
D-Link DEM-421XT 10Gigabit XFP (10GBASE-SR), Full duplex
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Full duplex
Yes
Dimensions (WxDxH)
18.35 x 77.95 x 11.45 mm
I/O ports
802.3x
Maximum data transfer rate
10 Gbit/s
Basic switching RJ-45 Ethernet ports quantity
1
Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
45 - 85 °C
Comsys Price
Save $141.00 off RRP
Available to Order
Ships in 1–5 business days
Shipped to your region. Freight is calculated at checkout from live courier rates.
Standard delivery to main‑centre, ground‑floor addresses is included in the quoted rate. For rural or oversized deliveries, any extra freight will be confirmed before dispatch.
Collection available — we'll confirm pickup readiness after your order:
- 26 Bancroft Crescent, Glendene, Auckland 0602

Four payments of $534.46 per fortnight
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Warranty Backed
Local warranty handling and straightforward returns.
D-LINK DEM-421XT Transceiver
The DEM-421XT is hot swappable. You can remove or replace the transceiver with the system powered on. This permits modules and transceivers to be added or swapped without interrupting network systems.
Note: Requires DEM-420X 10G Ethernet XFP module to function
Key features
- Basic switching RJ-45 Ethernet ports quantity: 1
- Full duplex: Yes
- Maximum data transfer rate: 10 Gbit/s
- Dimensions (WxDxH): 18.35 x 77.95 x 11.45 mm
- I/O ports: 802.3x
- Operating temperature (T-T): 0 - 70 °C
- Storage temperature (T-T): 45 - 85 °C
Inc GST
$2,137.84