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8178
August 26th, 2020 11:00
Aurora R11, PCIe slots
I placed an order yesterday for an R11 system. I am trying to determine what PCIe slots will be available on my system. I tried chat and phone support and gave up on each after being transferred around numerous times with no resolution.
Does anyone know what slots will be available for use with an m.2 NVME adapter? I know the board has two 16x and two 4x slots and I assume one 16x slot will be used by the video card.
The specs for my system are as follows:
Dark Side of the Moon chassis with High-Performance CPU Liquid Cooling with and 1000W Power Supply
2TB M.2 PCIe NVMe SSD
NVIDIA GeForce RTX 2080 Ti 11GB GDDR6 (OC Ready)
10th Gen Intel Core i9 10900K (10-Core, 20MB Cache, 3.7GHz to 5.3GHz w/Thermal Velocity Boost)
Killer(TM) Wi-Fi 6 AX1650 (2x2) 802.11ax Wireless and Bluetooth 5.1
32GB Dual Channel HyperX(FM) FURY DDR4 XMP at 3200MHz
Thank you for your help in advance. Also, any recommendations on adapters that would accommodate a Samsung 970 EVO Plus would be welcomed.
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r72019
6 Professor
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5.3K Posts
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August 26th, 2020 11:00
The GPU will be in the top x16 (running at x8) slot, and it will cover the first x4 slot. That leaves you with the bottom x4 and x16 slots. I'd recommend putting the adapter in the bottom x16, because the second x4 runs at x2, so your speed would be choked.
r72019
6 Professor
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5.3K Posts
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August 26th, 2020 12:00
I use this adapter (have two adapters) with my samsung evo/pro drives
https://www.amazon.com/gp/aw/d/B07JKH5VTL/
r72019
6 Professor
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5.3K Posts
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August 26th, 2020 12:00
Service manual on which lanes run at which speed:
Shawn C 1
3 Posts
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August 26th, 2020 13:00
Is there advantage or disadvantage to using a card the uses more of the x16 slot like this one?
https://www.amazon.com/AMPCOM-NVME-M-2-PCI-Adapter/dp/B07JCFHCVN/ref=sr_1_6?dchild=1&keywords=nvme+m.2+pcie+adapter&qid=1598474992&s=electronics&sr=1-6
r72019
6 Professor
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5.3K Posts
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August 26th, 2020 14:00
The m2 interface supports up to 4 pcie lanes so there's no benefit speedwise to the x16 adapter. You will get the max supported speed with an x4 adapter since both the mobo and adapter are pcie 3.0.
Shawn C 1
3 Posts
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August 26th, 2020 16:00
Will the 8x limitation on the GPU cause a bottleneck for this card?
r72019
6 Professor
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5.3K Posts
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August 26th, 2020 18:00
You shouldn't get a noticeable performance drop, GamersNexus did a study on this and got at most a ~1% fps drop, or less, which varied depending on game when using x8 vs x16.
GTS81
2 Intern
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2.2K Posts
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August 26th, 2020 20:00
Somewhat related. Modern NAND chips are becoming more power hungry with boost of performance in random read. The SSD controller will manage the power headroom of NAND chips on the SSD and that means capping them from going full throttle under what is know as peak power management.
So spread out your capacity across SSD drives. Unless someone tells me there’s a PCIE host controller aka PCH or CPU that throttles the entire lanes too due to the same reason.
StealthLord_HT
1 Message
0
January 8th, 2021 19:00
G'day mate.
I have almost the exact same PC as ole mate who asked the initial question,
I am wondering IF I am able to add a WD_BLACK™ AN1500 NVMe™ SSD Add-in-Card 4TB ??
No Speed Chokers or Limitations of any kind, just plug and play >??
Correct.?
MightyMike512
1 Message
0
February 18th, 2021 03:00
I am considering purchasing the WD_BLACK™ AN1500 NVMe™ SSD Add-in-Card 4TB as well. Did you end up getting one at all?
I have a 3080 in R11 and concerned with impeding the airflow of the Graphics Card as there is not much room between the fan and the last PCIe slot.
markburv
2 Intern
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569 Posts
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February 18th, 2021 04:00
@r72019 You shouldn't get a noticeable performance drop
Yup, for those interested, I moved my 3080 from Z370 AW MB to Z390 Aorus MB recently, from x8 to x16.
Just a couple of FPS improvement, both without overclocking, best improvement was on the CPU due to better cooling (H100i)