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  1. K

    Mellanox CX311/312 OEM vs. stock variant

    I'm trying to buy a couple of Mellanox SFP+ NICs for the first time and I want to make sure that I'll be buying the correct one. 1. Are there fakes of these cards from eBay like the Intel ones? 2. I know these get hot quite a bit and considering that I'll be using them in a tropical country...
  2. K

    Best bang-for-the-back used 48-port POE switch with 10GbE SFP+ ports

    Based on my research, we have these: Aruba S2500-48P Brocade ICX6450-48p Which is better between the two? In eBay, I see that the Brocade is cheaper. And by default, it has 2 SFP+ ports that are not enabled for 10GbE. I'm reading that a simple CLI command is what's needed to enable these for...
  3. K

    Rack Cooling

    My rack came with two 120mm fans (connected to a 220V outlet) on the top set as exhaust. They are no longer working now because of all the dust they accumulated over the years and I need to replace them. What are the best 120mm fans I can get for this purpose?
  4. K

    Shared iGPU memory for i3-10100 on AsRock H570M-ITX/AC board

    So in the UEFI of this board (and most boards), there's an option to automatically assign shared memory to the iGPU or assign discrete values up to 2GB. I have 32GB of RAM which is plenty for my use case as this will mainly be a NAS home server with Plex in it. How much shared memory should I...
  5. K

    Using Dell H310 in IT mode

    So I just upgraded my home NAS to use an AsRock H570M-ITX/AC board with a Dell H310 card flashed in IT mode. I have a total of 6 drives, 4 plugged in to the HBA card and 2 directly to the motherboard's SATA ports. I have Debian 11 installed and during bootup I get these: 1. Is the "overriding...
  6. K

    Upgrading my home server

    I have a fairly low-power home server with these specs: ASRock J5005-ITX 2x4GB SODIMM RAM 1 x 2.5" Samsung 850 EVO SSD system disk 2 x 3.5" 8TB WD White HDD 1 x 3.5" 3TB WD Red HDD HDPlex 200W NanoATX PSU Fractal Design Node 304 I have Debian 11 on it. I use MergerFs plus Snapraid for the NAS...