Third Party Hardware > GPU Compute / Accelerators
Which GPU would *you* choose?
MPC7500:
And for Navi you need at least Kernel 5.6.13 or these patches.
pocock:
The Wikipedia article on the Radeon RX series has a nice table
A key point that jumps out at me there: some of these are 8x cards, e.g. RX 560. Most manufacturers produce cards that have the same size connection as a 16x card but in fact they are only wired for 8x. Some people talk about cutting open the end of their 8x slot and using it for one of these cards.
As these cards are very cheap and as people only have 2 slots in their Blackbirds and Talos II Lite, this could be an interesting hack to keep the 16x slot free for some other application.
As a bonus, those cards use a lot less power, generating less heat and noise.
I suspect modifying the slot will void the warranty, maybe Raptor could consider supplying motherboards with a slot that is modified before delivery.
pocock:
Another observation I made when installing the Sapphire Radeon RX 580 Pulse: this particular card has heatsink on the back of the card
In a Blackbird, the 8x slot is on the fan side of the GPU, so the rear heatsink on the RX 580 will not clash with another card.
In a Talos II Lite, there are only two slots and the 8x slot is behind the 16x slot, opposite of the Blackbird layout: therefore, if you put something like a HBA with a front heatsink into the 8x slot, it may be too close to the rear heatsink of the GPU
I tried putting the LSI 9207-4i4e behind the Sapphire Radeon RX 580 Pulse and I found they don't touch but the gap is less than 2mm
The only way around that appears to be choosing another RX 580 variation or using one of the other strategies described above, e.g. a PCIe riser or an 8x GPU
pocock:
News sites are reporting that AMD will announce details of the Big Navi cards (Navi 2, RX 6000, Sienna Cichlid) on 28 October and it looks like they might reach the shops in November. The news doesn't really include any specs.
Personally, I can get by using an old GPU for a couple of months longer to see if Big Navi is a worthwhile buy.
MauryG5:
Yes, as cards they will be excellent and will also have a good price, the problem is that you will have to wait months before they make drivers to be able to use them with Power ...
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