like other vendors SFP+ Passive DAC themselves differ immensely

PC Wholesale has EX-SFP-10GE-DAC-5M, Juniper Compatible 5m SFP+ to SFP+ Passive DAC Cable in stock and ready to ship. This cable is guaranteed Juniper compatible and has been inspected and tested in house prior to shipping to insure it is in perfect physical and working condition.AddOn's industry-standard Twinax Cable is a hot-swappable input/output device that plugs into a Gigabit Ethernet slot, linking the port with the fiber-optic network. AddOn's transceivers (GBIC, SFP, XFP and XENPAK) are 100% compliant for all of our networking product lines. AddOn transceivers are factory loaded with OEM specific configuration data required for networking compliance.This CNA carries a one-year limited warranty or, when installed in a BladeCenter, will have the same warranty as your BladeCenter system's base warranty and any IBM ServicePac upgrade.The QLogic 10GB CNA (CFFh) form factor is supported in the BC-H and BC-HT chassis with compatible high-speed modules.The QLogic 10Gb CNA is a PCI Express 2.0 x4 10Gb Converged Network Adapter and is available for both IBM System x and IBM Power Systems servers. For IBM Power Systems; the adapter is known as the 10 Gb FCoE PCIe Dual Port Adapter (Feature 5708). The adapter connects to SFP+ Passive cable SR optical modules.

 The System x version also supports SFP+ Active Copper cables; depending on the Ethernet switch used.  These transceivers initialize and perform identically to the OEM transceivers and can be mixed and deployed with other OEM or 3rd party transceivers, for seamless network performance.The quick answer is not without a compatability check...As with many switch vendors HP, Cisco especially don't like other vendors SFP+ Passive DAC themselves differ immensely from vendor to vendor.The Intel NICs I have used in HP servers had to have a specific type of DAC whereas the Netgear GSM73xx works with every 10gbe DAC I throw at it.Read the manufacturers specs very carefully on each device and make sure the DAC is compatible with your switch first and foremost the Server NICs seem to be more tolerant of DAC cable types.Remember there are two types of DAC Passive and Active.