AMD Phenom II X2 555 Dual Core Processor AM3 3.2GHZ 6MB L3 Cache 80W 45NM Retail Box

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Comparatively affordable. Couldn't unlock any added cores. The first a single I got was undesirable and had to RMA it. Cost me twelve dollars to send it back. That's putting excellent funds immediately after bad. I believe I'll stick with Intel; their stuff just works. Between the lousy chipset and the poor processor I'm soured on AMD. You get what you spend for. Buy inexpensive and get inexpensive.

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Purchased this along with an ASUS M4A87TD EVO motherboard and I was in a position to unlock the 2 extra cores (for a total of four) with no issues at all!Have not tried overclocking, as the stock heat sink fan is too wimpy. Right after unlocking the additional cores, you don't get a temperature studying for each and every core any longer, just the overall temp (using SpeedFan). You may possibly not be as lucky getting all four cores to function, as some really have physical problems, therefore why they had been disabled through manufacturing. But if you're fortunate, you can get an amazing quad-core out of a decently priced dual-core.

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This is a very very good processor for the income.. unlocked it to a tri core the forth core was unstable it wouldn't boot into windows i managed to overclock it to four.3Ghz @ 1.45v with ease working with a biostar 890fxe board which i also buy from the egg i wish the forth core wasnt unstable it's no biggie even though. u get what you spend for. i have a phenomII x6 1075t it was a discomfort to overclock evaluate to this processor..

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Waaaaay more rapidly than my old e6400. Can't complain a bit, operates with Win7 64 bit and Ubuntu. Mine unlocked to a quad, but wasn't stable. I haven't messed around a ton and might attempt once again. I knew what I purchased even though and don't genuinely need the quad so I can't dock it an egg. My stock cooler is pretty quiet and kept it at 55 for the duration of prime95 but I am going to upgrade anyway...

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Low cost, quickly, stable stock cooler I bought this processor and had no complications unlocking the two more cores. I ran it through the ringer of tests and it stayed perfectly stable. i am absolutely thrilled i got a quad core processor for about 50 bucks more affordable. Yeah its a bit of a gamble but honestly i would have been just as pleased with two cores at three.2 for this value. The two additional cores are a very pleasant bonus

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Unlocked into a x4 with all cores running stable. Didn't bother to overclock because I got it unlocked :) Stock cooler can get loud with intense gaming for hours. With a very good following marketplace cooler, you can reduce the noise as effectively as overclock this baby up to 4.0GHz!!

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3.two ghz Phenom II x2!can unlock into four core but i wouldn't dare. i heard it CAN be unstable. greater to get a accurate x4 or x6Great starter CPU for process builders who want to wait a small longer prior to investing in a x4 or x6 NONE! Super quickly.

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Wow! This issue should be built like a tank. Got it to four.0GHz on air (ZALMAN CNPS9700 cooler) vcore1.3 Zero! Mobo: ASRock A770DE+Kingston HyperX 2GB ƒ x 1GB) DDR2 1066 Model KHX8500D2K2ǘG

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rapidly, low cost, easy not a Sandy Bridge (or Bulldozer) Purchased locally at price related to Newegg. ๖ MSI motherboard unlocked to get four cores, Prime95 stable and temps < 48C. Utilizing a gigantic CoolerMaster Geminii II CPU cooler (six heat pipes, two 120mm fans, cost-free immediately after rebate from Newegg in 2007). Had to bump the FSB to 217MHz with 18.5 multiplier, but left CPU voltage at stock - could go greater with overvolt, but I'm pleased as is. Snappy overall performance, can't wait for more apps to use multiple cores. Newegg's often been fantastic to me, but I needed the upgrade ASAP for an engineering project.

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This is the finest bang for your buck you can get in a CPU. Low power usage, rapid speeds, and dependable. We have 5 machines in our office with these processors and they have been absolutely nothing short of stellar. Quiet fan for cooling. none

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all cores unlocked none unlocked all core utilizing asus mobo unlocker. took a complete 10 seconds.

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Unlocked all 4 cores using Biostar MOBO. Sweeeeeet deal. None

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* Relatively straight forward installation.* Heat sink includes a bit of thermal paste already applied to the block. (I still added some of my personal just to be positive.)* Great cost for the performance spec's.* I get a 7.three Experience Index rating on my Win 7 x64 program with the two extra cores unlocked and with out any overclocking measures taken. * none This is a pretty excellent CPU for the price tag. I have this installed on my HTPC and it does a pretty good job with the encoding and ripping that I have to do at times. It stays pretty cool in the low 40's Celsius when encoding (with the use of thermal paste). I haven't had any thermal events, BSOD problems, or sudden lock-ups. So far I'm pleased with my buy.

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quickly over-clocked to 4.2 GHz with following-marketplace cooler. this Black edition has unlocked multiplier. WEIɩ. none. operates perfect on ASRock mobo. could not unlock other cores, possibly due to motherboard limitations. really should get a different board, or go with quad-core for that matter. Otherwise, it works well as is, and does what i need it to do.

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Low-cost, functions wonderful. Extremely quickly. Refused to post with cores unlocked. Tried numerous combinations of voltages and frequencies. Almost certainly didn't get a great one, I was in a position to run at three.8GHz and four cores in my other build.

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It was unlockable to a quad core, OC'able to a 3.4ghz (do not actually want to push it any additional atm), and stable. None ThermalTake El Diablo Black Gaming ATX Complete Tower CaseLG DVD Burner - Bulk Black SATA Model GH24LS50 LightScribe Assistance – OEMRosewill 40-in-1 USB two. three.five” internal card readerScythe SCMG-2100 Sleeve CPU CoolerG.Ability 4GB ƒ x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop MemoryAMD Phenom II X2 555 Black Edition Callisto three.2GHz Socket AM3 80W Dual-Core Desktop Processor (Quad-Core with dormant cores unlocked)XFX P1-650X-CAG9 650W ATX12V two.2 / ESP12V 2.91 SLI Ready CrossFire Prepared 80 PLUS BRONZE Certified Modular Active PFC Energy ProvideHIS IceQ H567Q1GD Radeon HD 5670 1GB 128-bit GDDR5 PCI Express two.1 x16 HDCP Prepared CrossFireX Support Video Card w/ EyefinityGIGABYTE GA-MA785GM-US2H AM3/AM2+/AM2 AMD 785G HDMI Micro ATX AMD MotherboardMicrosoft Wireless Mouse 5000 5-Button Blue Track

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4.two ghz, 1.55 volts, rock stable. Haven't observed it hotter than 30C. See other thoughts for process specs. Did not unlock. Functions just fine for gaming, web,... I can run two virus scanners, defrag hdd, listen to music, surf 2+ browsers at the same time. Crysis runs in custom mode with ultra textures at 30-65 fps. You can save ũ,000s purchasing AMD versus Intel.Buy inexpensive system and overclock it without be concerned. If it ever crashes and burns, you can just get one more and nonetheless have saved cash over going Intel.Phenom II four.two ghz, 1.55 voltsXIGMATEK Gaia SD1283 cpu coolerBiostar MB, dual x16 pcie slots, dual channel FSB overclocked to 2600 mhzfour gb 1600 mhz ADATA ddr3 ramWindtunnel case, hope it lasts for lifeASUS ARES 5870X2 4GB graphics 950񳃒, 1.299 voltsLogitech z5500 audio system on the way2x 150gb velociraptors in raid-

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Had the cpu for a week or two. Was reading up a bit about unlocking the other two cores. Employing a Gigabyte 880GM-D2H I unlocked the cores in minutes. Now shows up as a Phenom X4 B55. None. I appreciate this cpu.

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Its good to have a processor that can be adjusted this straightforward. One of the default cores was defective, stock install no tweaking, no unlocking, no more than clocking and the personal computer would blue screen booting the Win7 Pro X64 install CD.Stock heat sink is laughable in comparison to the stock heat sink for the 955. The blue screens were all related to memory, producing the diagnosis of a defective CPU additional time consuming. Unlocking the CPU and disabling the second core (making this a single core processor) resolved the problem. the method also booted find with the third and forth cores enabled.Replaced this CPU with a 955 and RMA'ing the 555. Seems like by the time you purchase the 555 and a heat sink that is comparable to the 955 your threeǚ's of the way to the 955's buy price tag.

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it unlocks and overclocks beautifully! Can go from Clark Kent with funny glasses (Amd cool n quiet low power consumption operating at 69 degrees cool) to Superman performance (open four cores and ramp it up to 3.7Ghz with stock cooling). Seriously, im a fan of amd and this chip represents the greatest of high quality vs price vs efficiency that they are know for. And how usually does a item get 4 stars from virtually all buyers? It is Phenomenal!!!!!!!!!!! Occasionaly 1 of these does not open up stably to four cores--but its appears to be uncommon so your chances of obtaining 4 cores is very good. We should all be thankful for AMD, even Intel folks, due to the fact this competition has kept rates from going sky high--just visualize a globe where Intel could sell even their mid and lower end products at costs like their high finish tech now. I hope AMD can soon surpass Intel at each and every cost point now that Intel has to play on an even playing field (vendors need to have to preserve the consumers greatest interest in thoughts, not just their profit margins!!!!). Newegg does do this, so kudos to Newegg as well.

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Runs cool, fast, and is all around brilliant for the cost. Havent unlocked cores, but its nonetheless a good cpu. The capacity to unlock this to quad core is a bit of a gamble and seems to pull in buyers. Do not purchase this in hopes it will unlock. You want quad core, obtain quad core. No complaints really.

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One particular of the finest CPUs I've ever owned. I bought mine hoping it would unlock to all 4 cores. Luckily it did and it's brilliant. It stays super cool, more than clocks to 3.6 GHz on air cooling without a dilemma. It may possibly not be the fastest out there, but hey you can't beat the cost. AMDs are just great. None at all.

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Unlocked to Phenom II X4 B55 quickly with my MSI motherboard, but has no core temp sensors when unlocked, so all you have is an overall CPU temp. Exceptional performance, even with 2 cores at stock freq. Unlocked it yields AES encryption/decryption of nearly 600 MB/s, utilizing TrueCrypt. Also yields x264 encoding at DVD resolution 2 hour length in ㅌ minutesL3 Cache. no core temps when unlocked, as mentioned above, but overall CPU temp operates. Horrid stock fan. Loud, will not cool well if unlocked or overclocked. Loudest fan in my CM Storm Scout case by far.Power usage when unlocked. According to HWMonitor 𞳠 Watts vs ㆏ Watts stock. Fantastic cost/performance ratio, especially when unlocked and/or overclocked. Very recommended as a budget performer.

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Unlocked 2 added cores successfully (on ASUS M4A87TD EVO). For the wonderful cost, I would have been content even devoid of four cores. For my needs, getting L3 cache is way much more beneficial than two extra cores. Icing on the cake. None. Stock fan is... well stock. Runs at 48C below load (Rift ultra video settings). Not really a con or enough to shed an egg more than. Nevertheless very content with this chip.

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Price! Not a poor price tag at all since I was able to unlock the other cores and get a quad for ๪ w/ 6mb L3 cache. Its running @ three.8ghz with an arctic freezer cooler. I'm trading it with my brother because he has a dual-core and I dont want a quad for my HTPC since I have a hex now :) NONE. NADA. ZILCH. With a gigabyte board, not confident which ones have this alternative, appear for the Advanced Clock Calibration (ACC), put the cores on Auto and put the EC firmware Selection to "Hybrid". You'll see where cores two and 3 are enabled, and all my cores are on Ʋ (its automatic so dont worry about setting it manually). Right after you choose Hybrid, you'll see the screen update the firmware, then reboot and lastly you'll see exactly where the Phenom X2 555 becomes X4 B55.