StarTech.com HPE J9283B Compatible 3m 10G SFP+ to SFP+ Direct Attach Cable Twinax - 10GbE SFP+ Copper DAC 10 Gbps Low Power Passive Mini GBIC/Transceiver Module DAC Firepower 1040 2930F

Product Overview

AI-generated summary

For £43.80 ex-VAT, this is the kind of **cheap-and-cheerful 10GbE DAC** you buy when you *know* your ports are compatible and you want link stability without paying optical prices. StarTech’s HPE “compatible” cables tend to work well in real datacenter setups for short runs (rack to rack / switch-to-switch / server-to-switch). If you’re wiring up things like lab, staging, or even production where the distance is modest, a **passive twinax DAC** is usually a sensible value play: low power, low latency, and you avoid the extra cost/complexity of optics.

That said, I wouldn’t buy this if you’re dealing with **mixed vendor gear, unclear transceiver support, or lots of SFP+ ports that are finicky**—DAC “compatibility” is often fine until it isn’t, and HPE environment checks can be fussy depending on firmware, switch model, and port profile. Also, if you need anything beyond short reach, you’ll regret not choosing fiber early. Bottom line: **buy it if your switch/server model is known to support 10GbE DACs and you’re staying within short copper distances**; skip it if you want zero-questions interoperability across different hardware ecosystems.