These cards are designed for servers not for PCs (you can still use them with personal computers). Servers have fans that push the air towards the card, which reduces the temperature of it at an excellent rate even with full load. I purchased two of them for use in my Synology DS3617xs and did not have any problems with them. Just use any cooling fan towards the card and you will not see any heat. As for the DAC cable, the card works well. I use Sisco Cable without any problems. - My Server: Synology DS3617xs with 2 HP NC522SFP DUAL PORT 10GbE. - My PC: Windows 10 with MELLANOX CONNECTX-2 MNPA19-XTR 10GB PCIe X8 10Gbe SFP+ NETWORK CARD. Cable: SFP-H10GB-CU3M CISCO SFP + TWINAX COPPER CABLE 3M PASSIVE DAC CABLE
Verified purchase: Yes | Condition: Pre-owned
Works good, took a bit of time to find the right driver
Verified purchase: Yes | Condition: Pre-owned
10gbe connectivity for cheap. No rdma.
Verified purchase: Yes | Condition: Pre-owned
good
Verified purchase: Yes | Condition: Pre-owned
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