x5680

Hello, I am hoping someone can help as this problem has me scratching my head. I have a dual processor Mac Pro 4,1 that originally had dual e5520 CPU’s. I have updated the firmware (and rom) to make it a 5,1. I have installed two de-lidded x5680 CPU’s. System booted up fine with original dual...

I have an early 2009 8 core Mac Pro 4.1 (details attached) and I'm looking to make it quicker. I've just installed 4x 4GB 1066MHZ DDR3 ECC RAM (My mac is ECC enabled) and I've left 4x 2GB ram in from before (they are all made by Kingston). I've also got the OS on an SSD. My geek bench score is...

I'm looking to upgrade my 2010 Mac Pro with dual Xeon 5680s and came across a matched pair on eBay. I asked the seller if they had b1 stepping he looked on the bois and found this 06-2c-2 he only had a server to test so couldn't download CPU-Z or other apps to check. Is there another way of...

About 9 months ago I flashed my 2009 8-Core 2.66 GHz Mac Pro to 5,1 firmware and upgraded the processors to x5680s which I bought on eBay and de-lidded. I've been running Sierra 10.12.6. Things were fine until a few weeks ago, when the following symptoms started happening erratically: 1...

I have a 2010 Mac Pro 2.66x2 Xeons. I want to upgrade the CPU's in them. I was looking at the W3680 or X5680? The only real difference I've seen was the X series can run at about 10 C higher Mac temp, oh and the fact that a pair of X5680's are twice the price of the W3680. Would I notice any...