December 14, 20205 yr Thought this was a good deal for those looking to upgrade. Supermicro 45 Bay JBOD Data Storage Expander 4U $250
December 15, 20205 yr 1 minute ago, tjb_altf4 said: That was the JOINED date! 😛 Whoops! I haven’t seen Tamsolutions around in a while.
February 4, 20215 yr Does anyone own one of these? If so how fast are parity checks and with how many drives? Is this just a jbod or does it have room for motherboard etc? What is a good card to pair it with? How is power draw?
February 4, 20215 yr This is a JBOD DAS. No rear connectors for a motherboard. It has two backplanes (24 and 21 drives). You can connect an external HBA like LSI-9300-8e at the IN-ports at the rear and connect other DAS enclosures at the OUT-ports at the rear. The backplanes come with expanders for these connections. On the pictures you can see EL2 type backplanes. These have expander and failover features. These boxes are heavy, professional and loud as hell. I love them. I've build several SC846 with corresponding DAS enclosures for Unraid. The biggest had 72 drives. With the current Unraid license rules you need several licenses and HBAs passed thru because 45 drives require two or more arrays. I would like to build new systems with SC847 DAS but I don't know how to pass thru 21 drives to a second array instead of an additional HBA. I have some fear that Unassigned Devices has problems with dozens drives on the main page. https://www.supermicro.com/en/products/chassis/4U/847/SC847E26-RJBOD1 ***Edit***: The mentioned system with 72 drives, 3 enclosures, 2*2690v2, Nvidia 1050ti, 3*HBA, 196GB RAM, 2*1TB M.2 draws around 700W. Edited February 4, 20215 yr by hawihoney
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