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    EXPIRED [IL] !!ALL GONE!! $150 Mellanox ConnectX-4 CX416A-CCAT Dual Port 2x 100GBit Ethernet

    !!ALL GONE!! https://www.ebay.com/itm/165643860382 Mellanox ConnectX-4 CX416A-CCAT Dual Port 2x 100GBit Ethernet NICs for $150 per piece (obo), 7 left, from Israel Very good deal, considering that I paid $250 for CX456A-ECAT per piece last week... You can easily crossflash the CX416-CCAT to a...
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    Need SB7700 VPD

    Hey, I've got an SB7700 engineering sample here, which I just can't get to work. The VPD of the switch chip is complete nonsense, with everything being FF and one exception for the Base GUID which is 1234... Does anyone have a working SB7700 and could send me the contents of the VPD EEPROM...
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    [WIP] Future-Proof, Low IDLE Consumption, Yet Powerful LGA1700 Mini Server

    Hey folks, This project is WIP, and I will use this thread as a build log. I will try to precisely describe what I've done and especially which choices I've made and why I've made them to help others if they're in a similar situation. What's the goal? I have let things slide for quite some...
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    New machine for virtualized pfsense/opnsense, DNS, DHCP and OpenSM

    Hey, I am looking for two new little machine to do virtualized pfsense/opnsense (I don't like BSD), BIND9 DNS, kea DHCP, OpenSM, VPN Endpoint (Should be able to do at least one wireguard at full 1GBit) and maybe print server My requirements for the hardware are a bit different, because I need...
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    EU [WTB] US / EU-DE - Supermicro 826, 826S, 847 SAS3, QSFP28 cables, 96x 32GB DDR4-3200 RDIMM, Mellanox SB7700 - FS: Xeon Phi 7120P

    Hey, Willing to pay for international shipping if the price is right. WTB: Chassis: - 3x Supermicro 826, but new must be rev (rear window with hole for rear SSD kit, PDB-PT826-8824 power distributor) - 1x 2U, but with high density, i.e. 24x 3.5" - Something like Supermicro 826S, Chenbro...
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    Mellanox ConnectX-5 Infiniband + LR4 Transceivers = 10GBit/s SDR?!

    Hey, I have a Single Mode LC link which needs to transport 40G Infiniband. That means 40GBase-LR transceivers are my only option and I cannot use 56G MTP SR or 40G SR transceivers. But now for the issue: I am using ConnectX-5 cards (Dual Port) with the latest firmware, 16.32.1010 and I just...
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    SOLVED Mellanox SX6036 + LR4 Transceivers does not work

    Hey, So I was trying to pair one of my SX6036 with LR4 transceivers - Never done this before o_O I know that LR4 transceivers only work in Ports 1, 3, 33, 35, so I used those ports Mellanox switch systems offer high power transceiver (e.g. LR4) support in the following ports: •SX6036 – ports...
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    Anybody need Supermicro AOC (e.g. S3008L-L8e) Low Profile brackets? (BKT-0065L)

    Hey, So some time ago there was a thread regarding Supermicro S3008L-L8e brackets and that it's difficult to buy those and ebay prices are incredibly inflated. I'm about to order some of those brackets (low profile, BKT-0065L) from my Supermicro dealer, price per piece is 10,12€ (about $11.48...
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    Mellanox CX556A-EDAM reads garbage from transceivers and does not establish link

    Hey, So a couple of months ago I bought a Mellanox CX556A-EDAM (Yes, EDAM, not EDAT) However; I'm having some issues with it now. When connecting it to another ConnectX-5 with 100GBase-CWDM4 transceivers, the EDAM claims to establish a link, but the other end does not. And when I try to read...
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    [META] Documenting successful trades in each other's profiles?

    Hey, So I was thinking: Wouldn't it make sense it we all started to document successful trades in each other's profiles (as profile messages)? That would make it much easier to evaluate how reliable and well-known a potential business partner is, because currently you'd have to search for the...
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    Optimal Network Setup / Structure for Virtualized HPC Homelab

    So... I am currently rebuilding / restructuring one of my labs or rather: My homelab And because it's my homelab and I'm building everything from scratch, it needs to be perfect (TM) of course! Let's start with the basics: Usage: Automatated testing, CI and HPC (numerical simulations)...
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    Avocent PM3000 vs Raritan PX series ZeroU PDUs

    I am planning to buy two new / old PSUs. They are supposed to be used in a dual power rail setup, i.e. two PDUs and servers are connected to two different PDUs The following features need to be supported: - Per Outlet switched - Per Outlet monitored - Cross-PDU grouped outlets I am currently...
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    EU [EU-GER] [WTB] ICX7150-C12 or ICX6450-C12PD, 100G Network, 16G/32G 2666/3200 RDIMMs, Threadripper, RTX 3090

    Hi, I am currently looking to buy: Network: 1x ICX 6450-24P or similar (must support OSPF, around 24 ports max, PoE is nice) 1x ICX 6450-C12PD or ICX 7150-C12 or similar (must support OSPF, should be very low in power) 1x Mellanox SN2700 1x Mellanox SB7700 RAM: 4x 16GB DDR4-3200 RDIMM 2x 16GB...
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    NOTE for future ASRock LGA3647 + Optane DCPMM / PMEM users...

    Hey folks, Today I deployed a flash-only server with an EPC621D8A and Optane DCPMM / PMEM As SLOG... And I spent a solid hour troubleshooting, because once I installed the Optane DIMMs, the entire memory channel (including the regular RDIMM) was not recognised anymore. I swapped RAM, DCPMMs...
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    Supermicro AOC-S3008L-L8E - Why caps on it?

    Hey, Probably a stupid question: Most LSI 9300 OEMs are pretty similar... Except the Supermicro The Supermicro has huge caps on it: What is the reason? Do the caps make the Supermicro variant better or worse than other OEM variants which do not have such huge caps? But there's one issue...
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    EU ALL SOLD [FS] [EU-GER] 2x IBM M1215 / LSI 9300-8i 12Gb/s 8-Port SFF8643 SAS / SATA HBA

    Hi, I'm selling the following stuff: 4x IBM M1215 / LSI 9300-8i Controller (All sold) 8-Port (2x SFF8643) 12Gb/s SAS / SATA Controller / HBA Flashed to LSI (non-OEM) IT Mode Firmware 85€ per piece + shipping I will add one high or low profile bracket per controller for free if you need...
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    Cabling of IBM M1215 in 2U cases

    6Hey, I own several IBM M1215 controllers and I mainly use them in 2U cases. However, it always bugs me that the cabling is very unclean. Due to the position of the SFF8643 ports on the IBM M1215 controllers, I have to bend the cables quite a lot in order to fit into the case. Are there any...
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    [US] Xeon 8175M (SR3FU) - 260$ (4pcs available) - 24C, 240W!

    https://www.ebay.de/itm/133981614119 Located in the US, 4pcs available at time of writing. Somebody else (not me) has already bought 12pcs at once... 8175M (SR3FU) is a 24C Skylake LGA3647 CPU. Presumably AWS OEM and Stepping H0 (Rollo probably knows more details) Warning: The 8175M seems to...
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    EU [EU-GER] [FS / SWAP] E5-2680 v4 in HP frame

    Hey, I just bought 3 E5-2680v4 (have not arrived yet), but they have HP frames and I do not have HP servers. As far as I know, the HP frames are not compatible with standard 2011 sockets I would like to trade 3 E5-2680 v4 with blue HP frame / carrier against 3 E5-2680 v4 without carrier (bare...
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    AMD making a fool of Threadripper customers - AGAIN?

    A bit of backstory first: X399 was discontinued after just 1.5 generations (Zen1 Threadripper 1000 and Zen1+ Threadripper 2000). There was an outrage in the PC community once it came to light that Zen2 Threadripper 3000 will NOT be compatible with existing X399 motherboard. AMD tried to justify...