40G QSFP+ to 1x 10G SFP+ Passive DAC

The 40G QSFP+ to 1x 10G SFP+ Passive DAC, 0.5m (2ft) is a passive twinax direct attach copper cable with QSFP+ to SFP+, supporting 40Gbps links over a length of 0.5m (2ft). As a passive cable it draws essentially no power and adds no latency to the link. It is a cost effective, low latency interconnect for 40G Ethernet data center and enterprise network environments, and complies with SFF-8636, SFF-8472.
Product Highlights
- QSFP+ to SFP+
- Data rate: 40Gbps
- Cable type: Passive Twinax
- Length: 1m (3ft) to 7m (23ft), 5 standard options
- Operating temperature: 0 to 70°C (32 to 158°F)
Specifications
| Part Number | QSFP-40G-1SPCxx |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP+ to SFP+ |
| Max. Data Rate | 40Gbps |
| Media | Copper |
| Cable Type | Passive Twinax |
| Cable Length | 1m (3ft), 2m (7ft), 3m (10ft), 5m (16ft), 7m (23ft) |
| Wire AWG | 26AWG |
| Minimum Bend Radius | 28mm |
| Max. Power Consumption | 0.1W Per End |
| Jacket Material | PVC (OFNR) |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | SFF-8636, SFF-8472 |
Applications
In 40G Ethernet data center and enterprise network environments, the 40G QSFP+ to 1x 10G SFP+ Passive DAC, 0.5m (2ft) provides a factory terminated 40Gbps link between QSFP+ to SFP+ ports. This unit is stocked in 5 standard lengths from 1m (3ft) to 7m (23ft). It installs directly into standard ports with no separate transceivers or patch cords to manage at either end. If your project needs a specific vendor coding or custom label, our production line handles it as a routine step before packing.
Standards and Compatibility
Compliance: SFF-8636, SFF-8472. Every unit's EEPROM coding and link behavior are verified on real host equipment in our lab, so what arrives at your site is ready to use.
Ordering Information
The ordering code varies with length, such as QSFP-40G-1SPC005 for the shortest option. Standard supply covers 1m (3ft), 2m (7ft), 3m (10ft), 5m (16ft) and 7m (23ft). Custom length production is available for project requirements. Wire gauge: 26AWG.
Logistics
Our warehouse keeps fast-moving transceivers and cables ready for same-week dispatch. Courier, air freight and sea freight options are all available depending on your budget and schedule, and we consolidate multiple items into one shipment whenever it saves you cost.
Our Testing Process
Production samples and every outgoing batch pass through bit-error-rate measurement, temperature verification and plug-in compatibility checks on mainstream switches and routers. Because we are the manufacturer, any issue found in testing is fed back to the production line immediately instead of being passed on to customers.
Packaging
Each unit is sealed in an anti-static bag, cushioned in a blister tray and boxed in an export-grade carton. Outer cartons carry handling marks and can be palletized for air or sea freight. If your project requires retail boxes, barcodes or your own brand on the label, we can arrange that as well.
Customization Service
Because we are the factory, customization is straightforward: non-standard lengths, different jacket materials, specific polarity or breakout wiring, and compatibility programming for particular switch brands are all routine work for us. Small trial orders are accepted so you can verify quality before scaling up.
40G QSFP+ to 1x 10G SFP+ Passive DAC, 0.5m (2ft)