FAQ – PCIe Expansion Enclosures

NA250A-GPU Question: We have just received the NA250A-GPU and I have a question about the cards installation layout in my Mac Pro as well as the NA250A-GPU. The following are the details of my system and PCIe cards. Please advise what would be the best configuration of cards installation in both devices in order to achieve…

FAQ – JBOD and RAID Subsystems

NA381TB Question: We would like to check the compatibility between the NA381TB and the ARC-1264IL-16 RAID Controller card. We already have the RAID card on hand and we understand that it’s a 16 channel card while the enclosure has 24 drive bays. Answer (Last update Jun 28, 2016): ARC-1264IL-16 RAID card is compatible with NA381TB (24-bay…

FAQ – Power Supplies

What is Active PFC? Answer: Active Power Factor Correction improves the power factor value of the PSU by altering the input current wave shape. PSUs with Active PFC can achieve a power factor of 0.99, while PSUs with Passive PFC can only achieve 0.70, and PSUs with no PFC achieve less than 0.60. A higher…