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I have read that registered memory was a crutch to quicken the pace of technology (more capacity/channels) at the time for the cost of performance and power consumption.
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My work station circa 2011 takes ECC "E" (unbuffered at the time) and my server circa 2006 takes ECC "F" or fully buffered, which then for a time was labeled "R". You usually cannot mix them, but sometimes enterprise server boards can accept both with "R" usually allowing more installable memory capacity I think.įurther there was/is? a "U" which is unbuffered non-ECC. SK Hynix HMT41GU7BFR8A-PB DDR3 1600 8GB 2RX8 PC3L-12800E-11-13-E3 1.2V for Server Brand: SK Hynix Series: UDIMM Capacity: DDR38GB Type: 240-Pin DDR4 SDRAM. Buy HP 684034-001 4GB, 1600MHz, PC3-12800E-11, DDR3, Dual-Rank x8, 1. They both are ECC, but they both are NOT registered. RAM: 1 x 2GB 1R x8 PC3-12800E-11 (The standard ram that comes with the. To extrapolate, the "E" memory does not have the additional registers and is unbuffered. HP ProLiant M元10e Gen8 v2 Intel Xeon Processor E3-1220v3 B120i 2x1Gb. Sometimes registered memory is called buffered memory. SK HMT41GU7AFR8A-PB DDR3 1600 8GB 2RX8 PC3L-12800E-11-13-E3 1.2V for Server Brand: SK Hynix Series: UDIMM Capacity: DDR38GB Type: 240-Pin DDR4 SDRAM Speed. S7, S8, S9, S10, S11, S12 Reserved Reserved When the system maintenance switch position 6. As pointed out in the comments, the "R" memory is registered which "means it has additional buffers". The server supports the latest Intel Xeon E3-1200 v3, PCIe 3.