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Item#: N82E16819103680

AMD Phenom II X2 550 Black Edition Callisto Dual-Core 3.1GHz Socket AM3 80W Processor HDZ550WFGIBOX

neweggOUT OF STOCK.

  • Dual-Core 3.1GHz
  • 45 nm Callisto 80W
  • 6MB L3 Cache
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Like the superheroes of old, the AMD Phenom II streaks out of the night to lay waste to your enemies with 3.1GHz dual cores, each of which has L1 and L2 caches. An additional 6MB of L3 cache is available to handle really heavy loads or large data sets.

Memory transfers get faster than ever. HyperTransport Generation 3.0 mode allows up to 16.0GB/s of bandwidth. Up to 17.1GB/s memory bandwidth for DDR2 delivers an amazing 37GB/s of processor-to-system bandwidth. This unprecedented bandwidth is needed to feed the data hungry AMD64 with Direct Connect Architecture cores.

You'd think that all of this power would be too hot to handle. Think again. AMD's Cool'n'Quiet 3.0 technology works with CoolCore Technology to minimize heat while keeping power and efficiency up. Now the cores can shut down unused parts of the processor when not in use. This saves power and helps to reduce the amount of heat generated. This function is built in so there's no need for drivers or BIOS updates.

  • newegg AMD64 Dual-core Technology AMD64 is designed to enable simultaneous 32- and 64-bit computing with no degradation in performance. With Dual-Core technology, two complete processor cores on a single die run at the same frequency to deliver exceptional multi-tasking power, allowing users to surge through the most demanding processing loads, including advanced multitasking, critical business productivity, complicated visual design and modeling, serious gaming, and visually stunning digital media and entertainment.
  • newegg Integrated DDR2 and DDR3 DRAM Memory Controller The AMD Phenom II X2 Dual-Core processor is integrated with DDR2 and DDR3 DRAM memory controller capable of supporting registered and ECC DRAM. The integrated memory controller changes the way the processor accesses main memory, resulting in increased bandwidth, reduced memory latencies, and enhanced processor performance.
  • newegg HyperTransport 3.0 Technology HyperTransport Technology (HT or HTT) is a high-speed, low latency, point-to-point link designed to increase communication speeds between integrated circuits in computers, servers, embedded systems, and networking and telecommunications equipment. With HT 3.0 technology the AMD Phenom II X2 Dual-Core processor enjoys 4000MHz system bus speeds.
  • newegg AMD Cool'n'Quiet 3.0 Technology AMD's Cool'n'Quiet 3.0 technology is an enhanced solution available on AMD Phenom II X2 processor-based systems that can effectively lower power consumption and enable a quieter-running system while delivering performance-on-demand.
  • newegg AMD Virtualization Virtualization on desktop computers allows a single PC to act like multiple virtual machines. AMD Virtualization can enable client computers to seamlessly support multiple operating environments. And it also helps make it easier for PC enthusiasts to upgrade and maintain their PCs through emulation.
  • newegg AMD CoolCore Technology AMD CoolCore Technology reduces processor energy consumption by turning off unused parts of the processor. Power can be switched on or off within a single clock cycle so that energy is saved without compromising performance.

Learn more about Phenom II X2 550 Black Edition

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of Phenom II X2 550 Black Edition

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  • Nerros
  • 11/28/2013 1:10:33 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsBeyond my expectations

Pros: Unlocked and over clocked @ 4GHz stable for the past 3 years.

Cons: None

Did you find this review helpful? Yes No

  • N/A
  • 10/27/2013 4:18:23 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Excellent Upgrade for My Old Compaq Presario CQ5602F.

Cons: Could Use the Quad Core Version, Without Unlocking, The Compaq Presario CQ5602F Does Offer That Feature.

Other Thoughts: I'd Still Buy Another Just To Compliment The First I Have.

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  • N/A
  • 10/25/2013 4:07:06 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsPhenom II X2 550 BE Now PIIX4 B50 = Amazing!

Pros: Price
Phenom II X2 550 BE Unlocked to PhenonX4 B50 3.5GHz for under $65.

Cons: Have not had long enough, will update if anything changes, but temps in 35c-40c w/ Stock Heat sink and HPTC... Looks like a winner.

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  • Realnoize
  • 10/17/2013 1:39:11 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsUnlocked to 4 cores, perfectly stable. 8Gb + SSD = decent PC

Pros: I was tempted on buying an unlocakble Phenom II X2 on an auction site, but when I saw that these were in stock at Newegg, and for a better price, I jumped on the occasion. Very stable, unlocked as a Phenom II X4 B50 running at around 3.3Ghz... For the price, this is hard to beat. Coupled with 8Gb of RAM, an Asus AM3 board and a small SSD, this thing litteraly FLIES for a low-cost PC.

Cons: Stock fan is loud when running a full capacity. Not a problem at lower RPMs, but might be annoying for those running more CPU-intensive applications. But then again, had the same problem with the stock fan on my Phenom II x6 1090T and another Phenom II too, so this seems to be a common issue for AMD CPU fans. So plan to buy a third party CPU fan if you're buying this for a quiet build.

Other Thoughts: I can't believe it was so easy as flipping a switch on my motherboard to unlock the third and fourth core. And after some stress tests, I was pleasantly surprised to see it running as stable as any other CPU. So getting a fully working Phenom II x4 for this price is pretty hard to beat. I know there's no guarantee you'll be able to unlock other cores, nor any guarantee that they'll run stable, but I think it's definitely worth a try if you have a motherboard that supports core unlocking. If it works as well as mine, that's a pretty cheap price for a great little quad-core.

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  • gears_hdz
  • 10/9/2013 1:56:13 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsUpgrade!

Pros: Smooth, quiet, doesn't over heat, GREAT price!

Cons: none

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  • krusty
  • 10/6/2013 2:36:31 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsruns good, and unlocks fine

Pros: I've always had Phenom II x4's and now the FX series. bought this little guy for a smaller build. runs really quick and doesn't suck too much watts/volts. temps stay at room temp for the cores, the socket is usually 10 degrees f more. its old tech now, but also unlocks (i guess i'm lucky) to a x4 b50. still runs faster over clocked on 2 cores and runs cooler however. keep it at 3.4ghz on stock cooler at 1.38 volts. never gets hot....

Cons: when unlocked, stability is affected......well DUH!!!!

Other Thoughts: if every other part is up to spec (550 and up, 8 gigs of ram) it has no problem running modern games maxed out....but it's not good at multi tasking like that (play a game, alt tab out and check internet, copy files from usb, open control panel, blah blah, then it slows down)

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  • Hephaestus
  • 9/19/2013 7:58:31 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsReplaced an old Athlon AM2 CPU

Pros: Super Easy install and works like a charm

Cons: None

Other Thoughts: A year and a half ago I built a desktop using a ASRock N68C-S UCC motherboard (also bought from newegg) I used an older AM2 Athlon II CPU and 2 gigs of DDR2-1066 memory that I had laying around.

The computer is for my nephew to use for school work and was just something to put together on the inexpensive.

Now my nephew is older and wanted a little more oomph so I got him the Phenom II X2 550 BE and 8 gig of DDR3-1600 memory. It gave him a pretty good upgrade for less than $70 (I already had the memory).

Installation went off without a hitch and I unlocked the core in the BIOS to make it a 4 core processor.

It's been running rock steady for nearly 2 days now.

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  • southbound37
  • 9/15/2013 2:55:36 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

5 out of 5 eggsGreat Chip.

Pros: Well since alot of my hardware is starting to disapear I thought I would give some of them a review.This chip I put in my desktop back in 2009 and from the first day in it was able to scream at 3.9 with a 64 Pro on it with no issues.Back then I OC'd everything including my Geforce 9800 GTX and my Gskill DDR2 1066 DC being supplied by my Coolmax 950 w power supply.All I can say is I put the 550 up after its cousin the 565 became affordable and everything else is the same and she is puring along at 3.8 and im still happy.

Cons: none

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  • DaJoMo
  • 9/14/2013 7:08:34 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggs4yrs and still rocking

Pros: Was able to unlock 3rd and 4th core without OC'ing rates 7.6 WIE in Win7.

Cons: If it gets slightly dirty, stock fan/heatsink can't handle light demands.

A Cooler Master Hyper TX3 will fix this.

My outdated MB won't let me push it harder.

Other Thoughts: I'm not a gamer, and don't pretend to be. I use this in my home office PC. In addition to standard office stuff, I do photo/audio editing and light CAD work.

Developers still cater to Intel CPUs due to market share, which makes most apps run slower than what they should on all AMD CPUs.

However; using open source software and Linux, this CPU still outperforms or is on par with MANY newer & much higher priced i3s &i5s.

0 out of 1 people found this review helpful. Did you? Yes No

  • N/A
  • 9/5/2013 7:45:25 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks Great

Pros: I plugged this CPU into a Foxconn A78AX 3.0 motherboard, added 8GB of Crucial memory, and it made a BIG difference over my previous setup, with an older Foxconn MB, Intel Pentium 4 (single-core) 2.8 CPU, and only 2GB of memory (all my previous MB would hold).

I'm not a 'gamer,' but this CPU is great for what I use it for: surfing, photo editing, music downloads, and such. From boot up onward, it's much quicker at anything I want it to do---than my previous CPU---as would be expected, of course.

I also have an old laptop with an AMD CPU (that still works fine, within its limitations of age), but I hadn't built a desktop with an AMD since around 1998. I had no problems with previous AMD builds, and I don't expect to with this one either.

Cons: No problems at all, thus far.

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