Asked 1 year ago by JAP95 A Answer Probably 194 92 #1 It got me thinking the Mac Pro uses ECC memory What if we could double our G5's by using ECC DDR (as long as it's unbuffered like the regular stuff) Just imagine it 8 or 16 gigabytes of DDR memory for our AGP PowerMac G5's, and 4 gigabytes for the equivalent iMac G5!Also note that ECC RAM must be supported by your motherboard, and the average workstation/PC does not support it ECC RAM is more expensive than nonECC, is much more sensitive to clock speeds, and can incur a small (12%) performance hit If it helps, an analogy that works is RAM to RAID controllers
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Non ecc ram reddit- If their informed opinion says nonECC is fine, that's great I'm glad they made that choice I'd rather they make that choice knowing the potential risk than to not realize that nonECC RAM can be bad And let's face it 99% of us that show up in these forums don't know that nonECC RAM can be so damaging 6 That's an operational situation I never want to have to face, and running ECC RAM is a modest expense in comparison Besides, older DDR3 gear is dirt cheap and I can source used ECC RDIMM and CPU at a price that makes it stupid to buy new nonECC stuff If you don't care about your data, nonECC is fine
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ECC RAM performed 1761% slower than standard RAM and Registered ECC memory performed 481% slower This is a really small number and frankly is hard to guarantee that it is not simply due to ECC is a logical step to parity It uses multiple parity bits assigned to larger chunks of data to detect and correct single bit errors Instead of a single parity bit for each 8 bits of data, ECC generates a 7bit code for each 64 bits of data by using nonbinary, cyclic errorcorrecting code When the 64 bits of data is read by the system, aYou may have to decide whether you want ECC or nonparity ECC can find and correct some memory errors, but it comes with a performance priceit will slow your system by about 2% Fortunately, memory errors are rare in today's memory chips, so most average users don't have a need for ECC
These are two modules of Crucial CT8G4WFS4A unbuffered ECC memory They are based on the ECC UDIMM form factor – otherwise known as EUDIMM – with memory speeds of DDR, timings of 39, and a default voltage of 1V We specifically requested these modules because they were faster than regular DDR ECC modules, and For a standard PC system, unbuffered memory usually is the better choice not just because it is cheaper, but it also performs faster But while an unbuffered memory may have an advantage with speed, it does have its own penalty in terms of stability and reliability Some Unbuffered memories out there are your Corsair Vengeance 32 GB (4x8GB) DDRECC is one checkbox on a list of 'best practices' Some folks on the ZFScoolaid will point to folks losing entire datastores due to currupt memory I've seen posts of folks losing them with ECC memory as well I run whatever is cheapest, and backup critical data for homelab I run SSD in RAID0 I run with scissors
Buy M471G43AB2CWE Samsung M471G43AB2CWE 16GB DDR4 30Mhz Non ECC Memory RAM SODIMM From MemoryCow FREE UK Delivery & Returns Est 08 Ecc Memory Reddit by Memory overclocking is a slightly bigger deal as I would get a minimum of 30 MHz and possibly 3600 MHz from nonECC memory versus 2400 MHz or 2666 MHZ out of ECC and my application is at least partially memory bound The easiest way is to use dmidecode command that dumps in Linux all the system characteristics But because I had no idea how to see if a RAM chip is ECC or not I made a comparison STEP 1 List the memory specs on a server populated with ECC memory # dmidecode t memory # dmidecode 31 Getting SMBIOS data from sysfs SMBIOS 27 present
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Enough people have answered your question, so I'm going to mention something else ECC ram is cheap Sure you might be able to find non ECC ram cheaper, but you can easily find ECC DDR3 for $1 a GB Even if you're putting in 32GB of ram, which sounds like it would be more than enough for your use case, the price difference, if any, would be tiny A question we got today Does the AMD EPYC 3000 support nonECC UDIMM DDR4 memory? Despite ECC RAM being essentially a hardtofind specialty part, it typically only costs about percent more per DIMM than nonECC does at
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When gaming it takes microseconds, a completely unnoticeable amount of time, for a computer to ramp up a CPU When gaming this happens when you boot, and will stay there as needed It will not create microstutter, and you will not gain FPS, within error, from this in benchmarksNonECC ram will just silently start corrupting data, even data you're just copying or downloading ECC memory will selfcorrect and start spamming your Windows event log with warnings When it encounters an error it cannot correct, it will halt your system (causing a BSOD) instead of allowing the corruption to happen ECC memory is a waste of money My work laptop (Dell Precision 35) that I carry around more has ECC memory Waste of money My bigger work laptop (Dell Precision 7530) has nonECC memory (128 GB) I've yet to have it crash The thing will fly with its Xeon processors Makes for some fast number crunching
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I have some Dell PowerEdge R4 servers and i want to upgrade memory, install more How to verify the installed memory type (ECC or Only the C6 supports unbuffered Dimms (ie non ECC) as well as uDIMM ECC ram I have had both an i3 and an Xeon in a Supermicro X9SCM board with ECC ram without any issue Both reported the same ECC ram details in the BIOS The major players also provide servers using desktop processors (G6s or i321XX models) with ECC ramMy experience of switching from nonECC to ECC RAM on Ryzen platforms Last year I built a 3900X SFFPC with NCase M1 and overall it was quite impressive, however there were a lot issues on the RAM I do development on the machine every day and I need 64GB RAM On ITX boards the only choice is to use 2*32G DDR4 modules and there weren't many
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Second, due to the additional memory chip and the inherently more complex nature of ECC RAM, it costs more than nonECC RAM The amount varies, but you should expect to pay roughly 10% more depending on the size of the memory stick The larger the stick, the higher the price premium Finally, ECC RAM is slightly slower than nonECC RAM You can mix ECC and nonECC memory on the N40L/N54L, or just use nonECC memory I have had an N40L running with the original 2GB ECC stick and a nonECC 4GB stick for a total of 6GB quite happily I expect that the RAM you have will work fine in the N54L (although as there are only 2 slots you'll need to remove the existing 2GB stick) 9 ECC has several advantages over parity For one, it can detect and repair singlebit errors and do so without having to stop the whole system Multiplebit errors will still return a parity error, but the odds of this happening are astronomically low during the lifetime of a PC unless the memory itself is defective
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Corsair Vengeance 32GB DDR4 SODIMM 30MHz Dual Laptop Memory Kit 32GB (2x16GB) Corsair DDR4 SODIMM Vengeance Performance, PC (30), NonECC Unbuffered, CAS 53, 12V MORE INFODasPossums 3y According to this link, nonECC memory has around a 0% failure rate, but ECC memory is around 2% slower than nonECC memory It depends on how much you are willing to pay for that extra bit of stability 5 level 2 jkool702Buy Timetec 8GB DDR4 30MHz PC NonECC Unbuffered 12V CL22 1Rx8 Single Rank 260 Pin SODIMM Compatible with AMD and Intel Gaming Laptop Notebook PC Computer Memory RAM Module Upgrade (8GB) Memory Amazoncom FREE
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NonECC (also called nonparity) modules do not have this errordetecting feature Any chip count not divisible by three or five indicates a nonparity memory module Using ECC decreases your computer's performance by about 2 percent Current technology DRAM is very stable, and memory errors are rare, so unless you have a need for ECC, you are #5 nonECC UDIMM is exactly "normal" desktop memory The xeons which use the same socket as the nonHEDT platform (LGA 115x), along with a supporting motherboard, will take ECC UDIMM The HEDT platform xeons (LG0xx) will take RDIMMs or ECC UDIMMs or nonECC UDIMMs The most memoryversatile systemsIf it is just file storage, media playing and game servers, you will not need ECC Ram 2 level 2 Jack_BE 5 years ago you DO need ECC for file storage, or you risk corrupting files when they are read or written A NAS without ECC is an accident waiting to happen, which is why most consumergrade NAS are laughable 3
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I'm not debating the ECC vs nonECC topic I'm proECC and probably one of the biggest proponents ;) There is this (maybe mediocre) blogpost about 'please use ZFS with ECC' ram I wrote, one of the first hits in google if you enter 'zfs ecc' But I do want to be better informed and understand how it works and how it doesn't Each variant of ECC substitutes a "word" (ie specific set of bits) in the code set of valid ECC words for a word in the nonECC word being protected In this way, ECC can be viewed as a form of encryption one plaintext word is represented The failure rate of nonECC memory is higher than that of ECC in the past 3 years The main cause for nonECC memory failure are memory errors, incorrect size/speed, and misc Reboot during the memory test is the primary reason for the ECC memory failure What you need to note is that using ECC can reduce your computer's performance by about 2%
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As @m1k3_dd said nongraphics CPU's do support ECC, unofficially though The "PRO" series do and they aren't available retail but here's a link Ryzen™ Desktop Processor with Pro Technologies AMD Interesting article with regards to AsRock and ECC using a R5 3600 Ryzen 3600 and ECC RAM? The reality of it is that ECC RAM, if it weren't for price gouging, shouldn't be more than 1/8th more than nonECC RAM (I tried to find a picture, but I couldn't find one) Of course, some manufacturers do heat stress testing and heat accelerated aging on ECC RAM to get past the early failure known as the bathtub curve Physically, ECC memory differs from nonECC memory (like what consumer laptop / desktop RAM uses) in that it has 9 memory chips instead of 8 (memory chips are used to store data that is sent to
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ECC memory has 8 extra bits to support the ECC The system board to be used must support ECC, and all of the memory in the system must be ECC for it to be actively supported Your system board specifications will tell you whether or not you can use ECC Using ECC decreases your PC's performance by about 2% While almost all registered is ECC, ECC != registered Nearly all desktop ram has no register, typically called unbuffered There is also fullybuffered from ddr2 days (heatsinks on server ram are the usual giveaway) and load reduced which is A nonECC memory won't do it but it does perform a bit faster, and will also be slightly cheaper An ECC memory will have more stability, and that's why it's often preferred by servers and workstations with invaluable data that users can't afford to lose, while a nonECC memory is often used in home system that needs all the performance
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You only tested with RDIMM ECC memory Answer Yes We have one of the boards running with 2x 8GB nonECC Crucial UDIMMs at 2666MHz My Board (X10SAE) supports up to 4x8GB ECC and I am considering the following options Option 1 Install two additional 4GB or 8GB modules of nonECC RAM (~801€) Option 2 Suck it up and buy 32GB ECCRAM (~300€) Obviously the second option is preferred, but a lot more expensive My useCase is the following All personal use, 13 All RAM configs actually calculate the bench within 05 second difference, with single channel DDR4 ECC RAM at near 51 s, and overclocked nonECC RAM at near 50 s Before going into anything, my Xeon E V3 at 32 GHz OC in Passmark CPUmark scored points, which is about the same result for stock Core i7 8700K
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