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Post Author Forum [desc] Replies Views Posted
    Thread: Yet another "Which Card" newbie question
Post: RE: Yet another "Which Card" newbie question

FWIW, this is what I did, hardware-wise: https://roycebits.blogspot.com/2015/08/no-sense-in-wasting-heat-and-air.html And here are some performance benchmarks for descrypt (but they are useful for ...
royce Hardware 4 6,798 11-25-2015, 09:20 AM
    Thread: Yet another "Which Card" newbie question
Post: RE: Yet another "Which Card" newbie question

Also note that upcoming 1.38 release of hashcat has *significantly* better descrypt and LM performance, if those are of interest to you.
royce Hardware 4 6,798 11-25-2015, 09:22 AM
    Thread: Dell P2600 any use?
Post: RE: Dell P2600 any use?

Yes - but relatively speaking, no. GPUs are far faster per unit of power consumption. Unless you are looking for 100% free and someone else is paying your electricity bills, you'd be better off build...
royce Hardware 3 4,700 12-01-2015, 05:01 PM
    Thread: Burned out 12 V wires from PSU
Post: RE: Burned out 12 V wires from PSU

I'm not as much of a power expert as others in the forum, but here's my take. Max power for 980s is 165W. Even if you were doing password generation on your CPU or something, assuming max 350W for the...
royce Hardware 2 4,146 01-24-2016, 11:58 PM
    Thread: 2x Nvidia for opencl - SLI link necessary?
Post: RE: 2x Nvidia for opencl - SLI link necessary?

Not necessary - in fact, definitely do not use SLI with hashcat. https://hashcat.net/wiki/doku.php?id=frequently_asked_questions#should_i_attach_crossfire_amdsli_nvidia_bridges
royce Hardware 2 4,058 09-08-2016, 09:19 AM
    Thread: AWS EC2 p2 x16 instance (full benchmark)
Post: RE: AWS EC2 p2 x16 instance (full benchmark)

Nice!
royce Hardware 10 19,506 10-05-2016, 05:36 PM
    Thread: Best bang for buck card(s)?
Post: RE: Best bang for buck card(s)?

Just throwing some ideas out there: If cost of electricity is not a concern, agreed about 970s. They're going on eBay for around $200-$220, so 3 of those would be a good fit. (And I wouldn't go old...
royce Hardware 3 4,927 10-08-2016, 03:06 PM
    Thread: Best bang for buck card(s)?
Post: RE: Best bang for buck card(s)?

The numbers that I posted, plus the Google doc, should let you compare R9 290X with 970 SC. I prefer NVIDIA over AMD, even with a slightly lower speed, but YMMV. :)
royce Hardware 3 4,927 10-09-2016, 05:52 PM
    Thread: FPGA cards?
Post: RE: FPGA cards?

I don't think there is much practically possible yet. The hashcat framework is now there to be developed against, but it is subject to both hardware capabilities and an actual OpenCL implementation on...
royce Hardware 4 5,100 02-03-2017, 03:21 AM
    Thread: FPGA cards?
Post: RE: FPGA cards?

There appear to be Xilinx, Altera, and Intel forays into OpenCL but I do not know their status/applicability.
royce Hardware 4 5,100 02-03-2017, 03:23 AM
    Thread: UPS/surge protector
Post: RE: UPS/surge protector

IANAE (I Am Not An Electrician), and this is not electrical advice ... but this depends entirely on your own use cases. If you're OK with cracking being interrupted for significant periods of time,...
royce Hardware 4 4,986 02-04-2017, 05:28 AM
    Thread: Getting new GPU
Post: RE: Getting new GPU

On an extreme budget, a GTX 970 performs similarly to a GTX 1060. Used 970s can be acquired on eBay for $150 or less. Be aware that only 1/4 of the GPU's memory is made available by the NVIDIA Open...
royce Hardware 2 3,416 03-14-2017, 05:28 PM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

I can't speak to CPU (other than "generally faster is better" and "at least one core per GPU") or RAM (other than "more than 32GB for analyzing big wordlists"). For density (packing a good amount of ...
royce Hardware 11 13,250 03-27-2017, 09:33 PM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

More cores is good. Current state of the art is NVIDIA (because of the LOPT3.LUT instruction set, I think?)
royce Hardware 11 13,250 03-30-2017, 06:14 PM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

It is definitely supported by hashcat. Some benchmarks from @epixoip are here: https://gist.github.com/epixoip/973da7352f4cc005746c627527e4d073
royce Hardware 11 13,250 04-01-2017, 12:01 AM
    Thread: Benchmark 3 x EVGA GTX SC 970s (Blower) SLI x99 DDR4
Post: RE: Benchmark 3 x EVGA GTX SC 970s (Blower) SLI x9...

For future searchers, note that SLI is not necessary for hashcat - and adds overhead that actually impacts performance. Instead, allow hashcat to handle the multiple GPUs directly. https://hashcat....
royce Hardware 5 10,776 04-01-2017, 05:47 AM
    Thread: What GPU and CPU is ideal for Penetration testing role job?
Post: RE: What GPU and CPU is ideal for Penetration test...

PCI-E lanes are good for gaming, but hashcat does not care. x1 would even be sufficient for hashcat. If you intend to use the system for multiple password-auditing purposes, a minimum of x4 might ...
royce Hardware 11 13,250 04-03-2017, 07:24 PM
    Thread: sli connector tech?
Post: RE: sli connector tech?

Yep, you've got it.
royce Hardware 1 2,522 05-05-2017, 08:54 PM
    Thread: Default Graphics card
Post: RE: Default Graphics card

There is often a setting in the BIOS to select which GPU to use as the primary. It shouldn't have an effect on hashcat - it should happily use them both as long as they're both supported and the dr...
royce Hardware 1 2,757 05-11-2017, 03:06 PM
    Thread: Ryzen 1800X CPU with 1080 Ti GPU
Post: RE: Ryzen 1800X CPU with 1080 Ti GPU

If you're using your CPU for activities indirectly related to the actual cracking phase (like working with wordlists, etc.), then most CPUs are fine (faster and more cores are better, etc). But if ...
royce Hardware 42 58,349 06-05-2017, 12:46 AM