The first is you should break the Fusion set before you remove your current 3TB drive that way the system won't try re-establish the Fusion set with your old drive if you happen to use your old HD for the restore.
As to using a larger HD. These bigger drives do ramp up the heat internally and also require more power. Here's the Spec sheet for the Seagate drives: [http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-hdd/barracuda-7200-14/en-us/docs/desktop-hdd-ds1770-6-1507us.pdf|Desktop HDD Specs]. Note the Operating Mode 9.0 Watts for the 5 & 6TB drives Vs 5.6 Watts for 4TB drive and 8.0 Watts for there 3TB drive. You will need to give Seagate a call to find out what the typical & max heat the drive creates and compare that with your current drives temp modeling. To see if this is even workable.
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I haven't installed any of these newer 5/5TB drives my self yet so I don't know if you need this special adapter cable: [http://eshop.macsales.com/item/OWC/DIDIMACHDD12/|OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later].
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I haven't installed any of these newer 5/6TB drives my self yet so I don't know if you need this special adapter cable: [http://eshop.macsales.com/item/OWC/DIDIMACHDD12/|OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later].
At this point you are a trail blazer here! Between the power & thermal issues you may find your system is not able to run with the heaver power & thermal load, or it may not last as long.
You may find going with an external RAID set via Thunderbolt will give you more performance and keep your system cooler.
The first is you should break the Fusion set before you remove your current 3TB drive that way the system won't try re-establish the Fusion set with your old drive if you happen to us your old HD for the restore.
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The first is you should break the Fusion set before you remove your current 3TB drive that way the system won't try re-establish the Fusion set with your old drive if you happen to use your old HD for the restore.
As to using a larger HD. These bigger drives do ramp up the heat internally and also require more power. Here's the Spec sheet for the Seagate drives: [http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-hdd/barracuda-7200-14/en-us/docs/desktop-hdd-ds1770-6-1507us.pdf|Desktop HDD Specs]. Note the Operating Mode 9.0 Watts for the 5 & 6TB drives Vs 5.6 Watts for 4TB drive and 8.0 Watts for there 3TB drive. You will need to give Seagate a call to find out what the typical & max heat the drive creates and compare that with your current drives temp modeling. To see if this is even workable.
I haven't installed any of these newer 5/5TB drives my self yet so I don't know if you need this special adapter cable: [http://eshop.macsales.com/item/OWC/DIDIMACHDD12/|OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later].
At this point you are a trail blazer here! Between the power & thermal issues you may find your system is not able to run with the heaver power & thermal load, or it may not last as long.
You may find going with an external RAID set via Thunderbolt will give you more performance and keep your system cooler.
The first is you should break the Fusion set before you remove your current 3TB drive that way the system won't try re-establish the Fusion set with your old drive if you happen to us your old HD for the restore.
-
As to using a larger HD. These bigger drives do ramp up the heat internally and also require more power. Here's the Spec sheet for the Seagate drives: [http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-hdd/barracuda-7200-14/en-us/docs/desktop-hdd-ds1770-6-1507us.pdf|Desktop HDD Specs]. Note the Operating Mode 9.0 Watts for the 5 & 6TB drives Vs 5.6 Watts for 4TB drive and 8.0 Watts for there 3TB drive. You will need to give Seagate a call to find out what the typical & max heat the drive creates and compare that with your current drives temp modeling.
+
As to using a larger HD. These bigger drives do ramp up the heat internally and also require more power. Here's the Spec sheet for the Seagate drives: [http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-hdd/barracuda-7200-14/en-us/docs/desktop-hdd-ds1770-6-1507us.pdf|Desktop HDD Specs]. Note the Operating Mode 9.0 Watts for the 5 & 6TB drives Vs 5.6 Watts for 4TB drive and 8.0 Watts for there 3TB drive. You will need to give Seagate a call to find out what the typical & max heat the drive creates and compare that with your current drives temp modeling. To see if this is even workable.
I haven't installed any of these newer 5/5TB drives my self yet so I don't know if you need this special adapter cable: [http://eshop.macsales.com/item/OWC/DIDIMACHDD12/|OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later].
At this point you are a trail blazer here! Between the power & thermal issues you may find your system is not able to run with the heaver power & thermal load, or it may not last as long.
You may find going with an external RAID set via Thunderbolt will give you more performance and keep your system cooler.
There are a few issues here:
The first is you should break the Fusion set before you remove your current 3TB drive that way the system won't try re-establish the Fusion set with your old drive if you happen to us your old HD for the restore.
As to using a larger HD. These bigger drives do ramp up the heat internally and also require more power. Here's the Spec sheet for the Seagate drives: [http://www.seagate.com/www-content/product-content/barracuda-fam/desktop-hdd/barracuda-7200-14/en-us/docs/desktop-hdd-ds1770-6-1507us.pdf|Desktop HDD Specs]. Note the Operating Mode 9.0 Watts for the 5 & 6TB drives Vs 5.6 Watts for 4TB drive and 8.0 Watts for there 3TB drive. You will need to give Seagate a call to find out what the typical & max heat the drive creates and compare that with your current drives temp modeling.
I haven't installed any of these newer 5/5TB drives my self yet so I don't know if you need this special adapter cable: [http://eshop.macsales.com/item/OWC/DIDIMACHDD12/|OWC In-line Digital Thermal Sensor for Hard Drive Upgrade for 27" iMacs 2012 and Later].
At this point you are a trail blazer here! Between the power & thermal issues you may find your system is not able to run with the heaver power & thermal load, or it may not last as long.
You may find going with an external RAID set via Thunderbolt will give you more performance and keep your system cooler.