Echo Express SEL Thunderbolt 2 Edition
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FAQ (6)
IDArticle TitlePost Date
603 Which HDMI adapter should I use to connect an HDMI monitor to an Echo Express Thunderbolt PCIe Expansion Chassis' Thunderbolt port?Mar-19-15
785 What cables are compatible with the Sonnet Thunderbolt lock for Echo Express, xMac mini Server, and xMac Pro Server products?Aug-15-14
889 How do I connect Thunderbolt 3 computers to Sonnet Echo Express Expansion Chassis? What performance increase can I expect?Nov-24-17
940 Can I connect an Echo Express SEL, SE I, SE II, SE III or SE IIIe; or Twin 10G to battery power?Sep-09-19
959 Why isn't the the OWC Mercury Accelsior E2 compatible with the Echo Express SEL?Oct-23-17
This card is not compatible with the Echo Express SEL because this manufacturer didn't closely follow the PCIe spec. Because this card draws more than 3A at 3.3V (the PCIe spec), the manufacturer should have put a 12V to 3.3V regulator on their card, but did not. In a Mac Pro tower or HP Z840, it did not matter to borrow some 3.3V power capacity from an adjacent slot. However, the SEL does not have an adjacent slot from which to borrow.

The OWC Mercury Accelsior E2 card is supported in either the two-slot Echo Express SE II or three-slot Echo Express SE III.
 
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