Memory Type DDR3 ECC Tags: Memory DDR3 Processors Last response: January 13, 2010 7:36 PM in Memory Share thomasjohn January 13, 2010 3:45:55 PM Configuring a Lenovo D20. 2 Xenon Processors w5580 FX4800 Graphics Am I correct that Registered memory is slower than unregistered? In this case - my options are: DDR3 ECC RDIMMs PC3-8500 1067MHz DDR3 ECC UDIMM PC3-8500 1066MHZ DDR3 ECC uDIMM PC3-10600 1333MHZ Advice please. More about : memory type ddr3 ecc | E-mail me updates | Report abuse Register or log in to remove Pelissier January 13, 2010 7:04:50 PM You have to compare the latencies, which you can find in the data sheets. | Report abuse 505090 Memory Expert January 13, 2010 7:36:27 PM typically ecc is slower due to the extra steps needed to verify the data same with registered though registered mem is easier on the mem controller since some of the load is moved the register module that said you will not see the differences outside of a benchmark. ecc is generally reserved for servers and registered for high mem capacities both of which must be supported by both the mem and mb | Report abuse Ask the community Publish Tom's Hardware>Forum>Memory>Memory Type DDR3 ECC> Related ressources: ForumWill HP Proliant 4GB DDR3 ECC Memory work in another ECC suported MOBO ForumWhen talking DDR3 Memory what is meant by unbuffered & non ECC ForumType of ram ECC or non- ECC and settings to look for and setup in bios ForumAsus P6T WS boards, XEON, and ECC memory ForumShould I get ECC Memory on Sabertooth 990FX? Is it really supported? ForumMemory for a gaming computer, ECC or non- ECC ? ForumSamsung ECC memory in desktop ForumServer ( ECC ) memory in Desktop (non- ECC ) board ForumECC memory for XEON workstation ForumCan a non- ECC work on a ECC Board? ForumCan one use ECC DDR3 memory in Biostar A780l3g ForumSocket 1155 ECC Consumer Motherboard? (willing to mod bios) ForumAsus Z8NA-D6, Xeon X5680 and Wintec DDR3 ECC Reg don't work together ForumWhen non-buffered, non- ecc 16GB DDR3 modules are coming? ForumDDR2 or DDR2 ECC SDRAM ForumPC hangs at BIOS screen after updating graphics driver. ForumStop errors, memory assignment conflicts?? ForumDDR2 1066 Errors & BSOD's...Bad Memory or Bad Mobo? ForumWhich mobos support 4 DIMMS of DDR3 running Triple Channel? Forum1.95 usable memory More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !