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DDR3 was officially launched in 2007, ... The DDR3U (DDR3 Ultra Low Voltage) standard is 1.25 V and has the label PC3U for its modules. [34]
DDR3 advances extended the ability to preserve internal clock rates while providing higher effective transfer rates by again doubling the prefetch depth. The DDR4 SDRAM is a high-speed dynamic random-access memory internally configured as 16 banks, 4 bank groups with 4 banks for each bank group for ×4/×8 and 8 banks, 2 bank groups with 4 ...
DDR3 memory chips are being made commercially, [11] and computer systems using them were available from the second half of 2007, [12] with significant usage from 2008 onwards. [13] Initial clock rates were 400 and 533 MHz, which are described as DDR3-800 and DDR3-1066 (PC3-6400 and PC3-8500 modules), but 667 and 800 MHz, described as DDR3-1333 ...
8, DDR3 800-1333: 6 × 3.5″ and 2 × 5.25″ SSD, SAS or SATA: R410 [98] 1U Rack: 2009 [99] Intel 5500: 2 LGA 1366: Xeon 5500 or 5600: 128 GB: 8, DDR3 800-1333: 4 × 3.5″ or 4 × 2.5″ R415 [100] 1U Rack: AMD SR5670 & SP5100: 2 C32: Opteron 4100, 4200 or 4300 [101] 256 GB [101] 8, DDR3 1066/1333: 4 × 2.5″ or 4 × 3.5″ SAS or SATA ...
[a] Physical comparison of DDR, DDR2, DDR3, and DDR4 SDRAM Front and back of 8 GB [1] DDR4 memory modules. 2005: Standards body JEDEC began working on a successor to DDR3 around 2005, [14] about 2 years before the launch of DDR3 in 2007. [15] [16] The high-level architecture of DDR4 was planned for completion in 2008. [17]
AM3 was launched on February 9, 2009 as the successor to Socket AM2+, alongside the initial grouping of Phenom II processors designed for it. [1] The sole principal change from AM2+ to AM3 is support for DDR3 SDRAM. The fastest CPU for socket AM3 is the Phenom II X6 1100T.
Launched in 2003, the initial platform for mobile AMD processors consists of: ... Memory support: DDR3 SDRAM, DDR3L SDRAM (Single-channel, up to 1066 MHz)
DDR3 has an 8x ratio (effective speed: memory speed) while DDR2 has a 4x ratio to the memory speed, but both have the same 2x ratio to the Bus I/O speed. So DDR3-1600 (Mem: 200MHz, IO 800MHz) with a CAS of X clks has the same actual CAS ns latency as DDR2-800 (Mem: 200MHz, IO: 400MHz) with a CAS of X/2 clks.
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