Samsung Develops High Density DRAM Chip
Samsung Electronics says it has developed the world’s first four gigabit
(Gb) DDR3 DRAM chip, using 50 nanometer (nm) process technology. It’ll
target enterprise data centers enabling them to cut costs and achieve
operational efficiency.
As data
centers aim for a reduction in the number of servers they use, the
development of low-power 4Gb DDR3 has become critical in reducing data
center costs, improving server time management and increasing overall
efficiency, says the company.
For the
new generation of “green” servers, according to Samsung, the 4Gb DDR3’s
high density combined with its lower level of power consumption will not
only provide a reduction in electricity bills, but also a cutback in
installment fees, maintenance fees and repair fees involving power
suppliers and heat-emitting equipment.
The 4Gb
DDR3 can be produced in 16 gigabyte (GB) registered dual in-line memory
modules (RDIMM) for servers, as well as 8GB unbuffered DIMM (UDIMM) for
workstations and desktop PCs, and 8GB small outline DIMM (SODIMM) for
laptops.
By
applying dual-die package technology, this new device can deliver
modules of up to 32GB – offering twice as much capacity as memory
modules based on the previous highest chip density of 2Gb.
Designed to be low-powered, the 4Gb DDR3 DRAM operates at 1.35 volts
(V), therein improving its throughput by 20% over a 1.5V DDR3. Its
maximum speed is 1.6 gigabits per second (Gbps).
In 16GB
module configurations, 4Gb DDR3 can consume 40% less power than 2Gb DDR3
because of its higher density and because it uses only half the DRAM (32
vs. 64 chips).
In
September 2008, Samsung had announced its development of the world’s
first 50 nm-class 2Gb DDR3 DRAM.
As
forecasts have the amount of memory per server doubling every two years,
it says, the development of high-density DRAM is expected to keep pace,
expanding to other applications such as notebooks and desktop PCs.
Quoting
IDC, a market research and analysis firm, it says the worldwide DDR3
DRAM market will account for 29% of the total DRAM market in 2009 and
75% in 2011. In addition, the company says IDC estimates that
2Gb-or-higher DDR3 DRAM will make up 3% of the total DRAM market in 2009
and 33% in 2011 (units in bits).
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