4 Opteron 6128 8-core CPUs for only $300 shipped on [H]ardForum!!!

Discussion in 'Distributed Computing' started by Sunny129, Nov 30, 2012.

  1. Sunny129

    Sunny129 Diamond Member

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    i know this isn't the FS/FT forum, but i thought the mods might let it slide since this for sale thread is so pertinent to distributed computing...

    at any rate, like the title says, there are 4 Opteron 6128 8-core CPUs for sale on [H]ardForum for only $300 shipped right now. the thread was just posted today, and i don't suspect they'll last long at this price. keep in mind that these bad boys still sell for $260 new (each)! the only downside would be the extra expenditures on 4 CPU coolers (CoolerMaster Hyper 212+'s or EVO's would be perfect for something like this, and inexpensive to boot) and a G34 4-socket mobo (which won't be inexpensive, and that may be a tremendous understatement). i'd snag these myself, but i don't see myself being motivated enough in the near future to spend the additional $700-$800 on a mobo and coolers...

    any takers?
     
  2. ZipSpeed

    ZipSpeed Golden Member

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    Very good deal. I got two for $100 each earlier this year and I thought that was a good deal then. $75 each is smoking. Still haven't gotten around to purchasing the requisite hardware to get these puppies going.
     
  3. EagleKeeper

    EagleKeeper Discussion Club Moderator<br>Elite Member
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    Just like a female.

    the down payment is cheap compared to the support costs once in use. :p
     
  4. PCTC2

    PCTC2 Diamond Member

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    Most desktop coolers don't support G34 but Supermicro does sell workstation tower coolers compatible with G34 (SNK-P0050AP4).

    As for the motherboard, most are proprietary or SWTX (which is still proprietary from SuperMicro). You might be able to fit a SWTX board into a case with 4-5 inches clearance above the rear I/O panel. Otherwise, you'll need a barebone system to match the board size. You're looking at over $1500 for the parts probably (including power supply, since you now need a power supply that can handle 3+ EPS12 connections.

    However, you could just buy 2x dual G34 boards and run two crunchers on E-ATX form factor boards. Much cheaper and can use commodity parts using industry-wide standards.
    If anyone seriously is looking into this, I can look into parts around and maybe get you a decent price if you seriously want to run this hardware. Local San Diego only.
     
    #4 PCTC2, Dec 2, 2012
    Last edited: Dec 2, 2012
  5. Sunny129

    Sunny129 Diamond Member

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    yes, i should have mentioned that a CM 212+ needs to be modified to fit the G34 socket properly...i believe its referred to as a "musky-modded" 212+. and it appears i was a good bit off in my estimate of an additional $700-$800 in costs to get these 4 CPUs up and running. the thought of running 2 dual G34 crunchers had crossed my mind too, but i was uncertain of the cost implications. thanks for addressing that.
     
  6. PCTC2

    PCTC2 Diamond Member

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    Yeah. I don't have the price sheets in front of me, since it's Sunday, but here's a quick recommendation:
    Quad-socket:
    SuperMicro H8QGL-iF (supports 16 sticks of RAM. 1 DIMM per channel) ~ $650
    SuperMicro 748TQ-R1400B (SWTX case with 1400W PSU w/ 3x EPS12 connectors) ~ $850
    Total (with NO DIMMs): $1500

    Dual-socket:
    SuperMicro H8DGi-F (supports 16 sticks of RAM. 2 DIMMs per channel) ~ $400
    Since it's E-ATX, any EATX case should work. Just need a PSU with 2x EPS12 connectors. Seasonic X-series come to mind (I use a Seasonic X-750 with dual EPS12 connectors). ~ $150 + Case
    Total (for two systems, NO DIMMs): ~ $700x2 ~ $1400
     
    #6 PCTC2, Dec 2, 2012
    Last edited: Dec 2, 2012
  7. ZipSpeed

    ZipSpeed Golden Member

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    LOL!! My wife is asking for a Louis Vuitton purse for Christmas this year. Think she will get mad if I buy her Opteron hardware instead? :D
     
  8. Sunny129

    Sunny129 Diamond Member

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    just explain to her how much money you'll save if you go AMD over Loius Vuitton...:)
     
  9. ZipSpeed

    ZipSpeed Golden Member

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    I can imagine how much time I will be sleeping on the couch. :biggrin:
     
  10. PCTC2

    PCTC2 Diamond Member

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    Just get a nicer couch then. :p

    As for the pricing, I was close.
    H8QGL-iF ~ $650
    748TQ-R1400B ~ $750
    ~$1400 + FEES + TAX
     
  11. Sunny129

    Sunny129 Diamond Member

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  12. PCTC2

    PCTC2 Diamond Member

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    with Fully populated 1GB sticks...
     
  13. Assimilator1

    Assimilator1 Elite Member

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    That's some serious crunching power!
    How does 1 of those 8 core CPU's compare to 2 modern quad machines? (cost & performance).

    Lol :D
     
  14. Sunny129

    Sunny129 Diamond Member

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    well that would depend on the general quad core design you use for comparison:

    AMD Phenom II (Deneb) vs AMD FX series (Zambezi & Vishera) vs A6/A8 series (Llano & Trinity) quad cores vs Intel Core i5 23xx/24xx/25xx/33xx/34xx/35xx series quad-cores (Sandy Bridge/Ivy Bridge) vs Intel Core i7 26xx/27xx/37xx/38xx series quad-cores series quad-cores (Sandy Bridge/Sandy Bridge-E/Ivy Bridge)

    obviously the 8-core Opteron 6128 is now discontinued, but according to camelegg, newegg's highest and lowest prices were $310 and $250 respectively. assuming you can get a used one in good condition for ~$200, you would also need a socket-G34 mobo. while single-socket G34 boards aren't nearly as expensive as dual or quad-socket G34 boards, they aren't inexpensive either...the cheapest one on newegg goes for $225. now the board will take both ECC and non-ECC memory, but i don't know whether or not the Opteron 6128 requires ECC memory...let's assume regular non-ECC memory will work, allowing us to take memory out of the equation and focus just on CPU and mobo costs. so that puts us at ~$425 for the 8-core Opteron 6128 CPU and a single-socket G34 mobo.

    1) AMD Phenom II X4: a used 965 BE will be in the neighborhood of ~$100. you could get an AM3 board on the cheap (~$50), or you could get an AM3+ board for future upgradability (~$100)...either way, you're probably looking at $200 at the most for a Phenom II X4 CPU and AM3/AM3+ mobo.
    2) AMD FX series quad-core: there doesn't seem to be much of a price delta between the older Zambezi (Bulldozer) quads and the newer Vishera (Piledriver) quads right now (~$110-$130), so with an AM3+ mobo (~$100), you're in there right around $230 tops.
    3) AMD A6/A8 series quad-core: the A8-3870K is the most expensive A6/A8 quad-core CPU on newegg right now @ $105. the most expensive socket-FM1 mobo on newegg right now is $115 (before rebate), so on this platform you'd come in around ~$220.
    4) Intel Core i5 quad-core: these CPUs seem to be in the $190-$220 range brand new. now i'm not real familiar w/ all the differences between Intel's current chipsets (Bxx vs Hxx vs Pxx vs Qxx vs Zxx), but i see some selling for as little as $50, and some selling for as much as $450...so this platform could run you anywhere from $240 to $670.
    5) Intel Core i7 quad-core: these CPUs seem to be in the $300-$330 range brand new. with the same lot of mobos to choose from, this platform could run you anywhere from $350 to $780.

    so from a "CPU-&-mobo" only perspective, only the slightly aged Phenom II platform can be purchased twice for significantly less than a single Opteron 6128 platform. if you are building from scratch and don't already have the other necessary hardware on hand, then even the Phenom II platform starts to look a bit long in the tooth b/c you'll have to buy 2 of everything else (case, PSU, memory, CPU cooler, possibly GPU, etc.).

    now from a performance point of view, i would imagine that 2 of any of the above platforms (save for the Core i7 CPUs) would be pretty comparable in performance to a single Opteron 6128 platform, but would consume a good deal more power in the process. i would imagine that only the Core i& CPUs would compare favorably w/ respect to both performance and power consumption due to HyperThreading - these quad-cores have 8 threads (4 real cores and 4 virtual cores). the i7's are typically clocked much faster than the 6128, and probably have more efficient instruction pipelines, but the 6128 has the advantage of 8 real cores. at the end of the day, its probably a wash between a single Opteron 6128 platform and a single Core i7 platform. obviously 2 i7 platforms equals 16 threads, and will outperform a single Opteron 6128, but it will also consume a good deal more power.
     
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