December 3, 2021

Intel i350 vs i340 Variations and Advice

Real or fake Intel i350
Actual or faux Intel i350

One query that has been requested by a lot of customers over time at STH is what are the variations between the Intel i350 and i340? Maybe extra particularly, which ought to I get the Intel i350-T4 or the Intel i340-T4. Each are 1GbE Intel Ethernet NICs, so the query is which one is price getting? We’ve got a suggestion.

Intel i350 vs i340 Variations

Whereas each the Intel i350 and Intel i340 had been out for a few years and adopted by main OEMs (corporations like IBM and HP used the i340 amongst others.) Typically we see the i340 known as the Intel 82580-based quad-port NIC. Over time, we’ve actually seen the push in the direction of the i350 being built-in extra.

Supermicro X9DRH-IF-NV Intel i350-t2 realtek and nuvoton
Supermicro X9DRH-IF-NV Intel i350-t2 realtek and nuvoton

Each controllers are 1GbE controllers and are generally seen in twin (T2) and quad (T4) playing cards. The numbers are very comparable, so we regularly see people ask what are the variations.

Whereas there are some minor variations like assist for PCIe 2.1 with the i350, there’s additionally an enormous one: SR-IOV. The Intel i350 NIC helps SR-IOV whereas the Intel i340 doesn’t.

Intel i350 vs i340 Advice

Whereas options comparable to a barely newer, however nonetheless previous, PCIe revision and SR-IOV might not be the most important, we nonetheless have a transparent suggestion. Over time, the Intel i350 has been broadly adopted and now has a V2 product. We now see the Intel i350-T4V2 for instance that had some minor revisions. Both means, the i350 is the higher line versus the i340.

Supermicro X9SBAA-F Intel i350-AM2
Supermicro X9SBAA-F Intel i350-AM2

What that has virtually translated to is that the i350 continues to be being added to server motherboards as we speak, and it isn’t unusual to see i350 NICs in servers.

Value-wise, the pricing is usually very comparable and has been for years. Even when the i350 is barely dearer, we normally recommend simply getting that over the i340 for an additional motive: lifespan. If one goes to the Intel Ark web site, validated on 2021-11-06 after we are publishing this text, you’ll not see the i340 NIC listed. Even trying to find the i340 won’t flip up any outcomes.

Intel Ethernet Controllers Up To 2.5GbE
Intel Ethernet Controllers Up To 2.5GbE 2021-11-06

Intel has some pretty historic {hardware} in its ARK database, so after we see a scarcity of the i340 that needs to be regarding. Then once more, the saved STH archive product transient on the i340 is from 2009. Whereas Ethernet controllers keep out there a very long time, it simply looks like the market supported the i350 and i210 over the i340.

For these questioning, the Intel i347 was a particular product discontinued in 2021 designed for use with the Intel Cave Creek communications chipsets, so it’s a bit completely different than the i340 that we noticed generally in cheap 1GbE adapters from giant OEMs.

In consequence, we’re going to make a easy suggestion right here: STH readers, get the i350.

Ultimate Phrases

Options like SR-IOV are necessary for different causes. They’re options that additionally assist cement the i350’s place because the premium 1GbE NIC choice past the truth that it merely has extra ports than NICs just like the Intel i210. For instance, the i350 helps QoS, port partitioning, VMDq, and SR-IOV whereas the i210 doesn’t.

Supermicro X10SDV-F Pre Production i350-AM2
Supermicro X10SDV-F Pre Manufacturing i350-AM2

This can be a quick piece, however it’s one which we must always have had a while in the past. STH readers, simply get the i350 (V2) if attainable. That might not be apparent if looking for playing cards on ebay, Aliexpress, or elsewhere, however that’s what we are going to suggest to our readers.

There are additionally two discussion board subjects on these NICs right here:

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