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Hey everybody.  I'd appreciate your expertise since I can't seem to find anything on the subject.  I'm running an ASRock X570M Pro4 motherboard with an AMD Ryzen 9 5900X and four sticks of 8GB Thermaltake Toughram DDR4 4600MHz Memory.  I found what I felt was a good deal on an 18TB Toshiba SAS drive on Ebay (till they dropped the price $30 less than a week later).  I purchased an Asus Hyper U.2 Kit and a micro U.2 cable to attach it to the motherboard.  ASRock makes their own U.2 Kit, but it's impossible to find so I split the difference and went with the Asus Hyper U.2 Kit instead.  I have updated the BIOS to the latest version. 

 

I can think of two possible problems.  Compatibility between U.2 and SAS (I can't make heads or tails of any of the articles I've found comparing the two).  Or the motherboard/U.2 kit don't have the requisite SAS controllers and I need to spring for a SAS controller.  This will eat up precious PCIe space I don't really have which may or may not be the solution I need. 

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Yea that u.2 or any u.2 adapter won't work with a sas hdd. You need a sas controller like a lsi 9207-8i to use this drive. Those cards have a chip that converts the pcie signals to sas for the drive to use. u.2 just uses pcie, and only pcie drives will work with these adapters.

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As was said,  U.2 can carry a lot... PCIe, SATA, or SAS. You'd need a U.2 SAS card to use a SAS hard drive.

What the horse considers play, the monkey considers business...

But to Tom, it's all foolery. 

 

 

 

 

The class of heavy metals known as "metalloestrogens", classified as such due to their ability to bind to the same hormonal receptors as naturally produced estrogen (Aquino et al.), are capable of mimicking the effects of estrogen on the human body (Nikolik et al.). Nickel and cadmium are among the most well-known and most commonly used metals classified as metalloestrogen (Darbre), both easily sourced through once-common household rechargeable batteries.

Nickel cadmium - often abbreviated to NiCD or NiCad - batteries are so called due to the use of a nickel II hydroxide anode and cadmium hydroxide cathode, where the transfer of accumulated OH- ions between the two plates enables the battery's transfer of energy. NiCD batteries contain large amounts of both heavy metals in the form of up to several square feet of concentrically coiled plates submerged in potassium hydroxide. Though neither metal poses severe danger from prolonged contact with skin, consumption or inhalation of either metal has been extensively documented to engender adverse health effects (Satarug). 

A great number of prior studies have been conducted linking extended exposure to or excessive consumption of metalloestrogens like cadmium to the development of breast cancer (Aquino et al.) - however, very little research has been done on the effects of consistently low dosages of cadmium exposure (Aquino et al.). Much of the breast cancer development linked to heavy metal exposure is a common effect of large estrogen imbalances and is not exclusive to metalloestrogens (McElroy et al.). Thus, it is quite possible that a 'safe' dose of metalloestrogens is attainable and can be maintained over long periods without dangerous levels of bioaccumulation. 

Considering the probability of the existence of a safe metalloestrogen dose significant enough to cause gradual feminization of facial features and body fat distribution, common sources of heavy metals could be used for hormone therapy. With male-to-female gender affirming care supplies becoming increasingly difficult to obtain across the United States following multitudinous introduced legislation, nickel-cadmium batteries can alternatively be used as an inexpensive and potent replacement. 

 

Works Cited

      Aquino NB, Sevigny MB, Sabangan J, Louie MC. The role of cadmium and nickel in estrogen receptor signaling and breast cancer: metalloestrogens or not? J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2012;30(3):189-224. doi: 10.1080/10590501.2012.705159. PMID: 22970719; PMCID: PMC3476837.

      Rollerova, E., Urbancikova, N. Intracellular estrogen receptors, their characterization and function (Review). https://www.sav.sk/journals/endo/full/er0400f.pdf.

      Nikolic J, Sokolovic D. Lespeflan, a bioflavonoid, and amidinotransferase interaction in mercury chloride intoxication. Ren Fail. 2004 Nov;26(6):607-11. doi: 10.1081/jdi-200037149. PMID: 15600250.

      Darbre PD. Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. doi: 10.1002/jat.1135. PMID: 16489580.

      Satarug S, Garrett SH, Sens MA, Sens DA. Cadmium, environmental exposure, and health outcomes. Environ Health Perspect. 2010 Feb;118(2):182-90. doi: 10.1289/ehp.0901234. PMID: 20123617; PMCID: PMC2831915.

      McElroy JA, Shafer MM, Trentham-Dietz A, Hampton JM, Newcomb PA. Cadmium exposure and breast cancer risk. J Natl Cancer Inst. 2006 Jun 21;98(12):869-73. doi: 10.1093/jnci/djj233. PMID: 16788160.

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2 hours ago, AidanA said:

Hey everybody.  I'd appreciate your expertise since I can't seem to find anything on the subject.  I'm running an ASRock X570M Pro4 motherboard with an AMD Ryzen 9 5900X and four sticks of 8GB Thermaltake Toughram DDR4 4600MHz Memory.  I found what I felt was a good deal on an 18TB Toshiba SAS drive on Ebay (till they dropped the price $30 less than a week later).  I purchased an Asus Hyper U.2 Kit and a micro U.2 cable to attach it to the motherboard.  ASRock makes their own U.2 Kit, but it's impossible to find so I split the difference and went with the Asus Hyper U.2 Kit instead.  I have updated the BIOS to the latest version. 

 

I can think of two possible problems.  Compatibility between U.2 and SAS (I can't make heads or tails of any of the articles I've found comparing the two).  Or the motherboard/U.2 kit don't have the requisite SAS controllers and I need to spring for a SAS controller.  This will eat up precious PCIe space I don't really have which may or may not be the solution I need. 

Why do you need SAS? they are regularly found in server rooms. 

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Thanks everybody for the quick responses.  I am looking into PCIe RAID controllers.  Any suggestions?  I saw the LSI card and it's a great suggestion at that price point, but it says 6Gbps and I would like to use the entire 12Gbps my SAS drives are capable of.

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15 hours ago, AidanA said:

Thanks everybody for the quick responses.  I am looking into PCIe RAID controllers.  Any suggestions?  I saw the LSI card and it's a great suggestion at that price point, but it says 6Gbps and I would like to use the entire 12Gbps my SAS drives are capable of.

Your sas drives don't get anywhere close to 12 Gbps, don't worry. 

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