内存容量:8GB , 工作频率:533MHz .

ValueRAM KVR533D2D4R4K2/8G is a kit of two 512M x 72-bit 4GB (4096MB) DDR2-533 CL4 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) DDR2-533 SDRAM in BGA packages. 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=4                                   3.75ns (min.) / 8ns (max.)
Row Cycle Time (tRC)                                              55ns (min.)
Refresh to Active/Refresh Command Time (tRFC)    127.5ns
Row Active Time (tRAS)                                           40ns (min.) / 70,000ns (max.)
Single Power Supply of                                            +1.8V (+/- .1V)
Power                                                                      5.508 W (operating per module)
UL Rating                                                                 94 V - 0

 
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)

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