Kingston KVR400D2D4R3K28G User Manual
Memory Module Specification
KVR400D2D4R3K2/8G
8GB (4GB 512M x 72-Bit x 2 pcs.) DDR2-400
DESCRIPTION:
ValueRAM's KVR400D2D4R3K2/8G is a kit of two 512M x 72-bit 4GB (4096MB) DDR2400 CL3 SDRAM (Synchronous DRAM) "dual rank" registered ECC memory modules.Total
kit capacity is 8GB (8192MB). The components on each module include eighteen stacked
512M x 4-Bit (thirty-six 256M x 4-bit) DDR2-400 SDRAM. Each 240-pin DIMM uses gold
contact fingers and requires +1.8V. The electrical and mechanical specifications are as
follows:
FEATURES:
Clock Cycle Time (tCK) CL=3 5ns (min.) / 8ns (max.)
Row Cycle Time (tRC) 55ns (min.)
Refresh to Active/Refresh Command Time (tRFC) 105ns
Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)
Single Power Supply of +1.8V (+/- .1V)
Power 5.310 W (operating per module)
UL Rating 94 V - 0
CL3 Registered 240-Pin ECC DIMM Kit
Note: The module defined in this data sheet is one of several configurations available under this part number. While
all configurations are compatible, the DRAM combination and/or the module height may vary from what is described
here. However, in no configuration will the module height exceed 1.250" (31.75mm).
(Units = millimeters)
Figure 1: KVR400D2D4R3K2/8G 240-Pin DIMM
Document No. VALUERAM0450-001.A00
06/23/05
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