713985-256 HP 256GB Kit (16 x 16GB) PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory
$755
Manufacturer HP
Manufacturer Part # 713985-256
Memory Type DDR3 SDRAM
Capacity 256GB (16 X 16GB)
Data Transfer Rate 1600Mhz
Pins 240 Pin DIMM
Bus Type PC3-12800
Error Correction Registered ECC
Cycle Time 1.25ns
Cas CL11
Memory Clock 200Mhz
Rank Rank 2
Voltage 1.35
408853-B21 . Is a DDR2 Module. DDR2 Modules run from 533 to 800 MT/s (million transfers per second) Has a total capacity of 2GB (Gigabytes). The Bus Type is PC-5300. Registered ECC help prevent data corruption and maintain data integrity, usually used in servers. You can expect the data to transfer at a rate of 667 Mhz.
408851-B21 . Operates on 1.8 Volts within speeds between 533 and 800 MT/s (million transfers per second). This is a 1GB module. Contains a PC-5300Memory Bus Type. Uses ECC (Error Correcting Code), ideal when system failure must be avoided at all costs. Is also registered which makes it stable enough for server conditions. Has a data transfer rate of 667 Mhz.
397413-B21 . Is a DDR2 Fully Buffered Module. DDR2 Modules run from 533 to 800 MT/s (million transfers per second) This is a 2GB module. Contains a PC-5300 Memory Bus Type. Is a FB-DIMM (Fully Buffered DIMM) allowing greater data width without having to increase the number of pins on the memory controller. Has a data transfer rate of 667 Mhz.
Is a DDR Module. DDR Modules run from 266 to 400 MT/s (million transfers per second). Has a total capacity of 2GB (Gigabytes). PC2100 memory has a chip type of DDR266 and designed of use in systems with 133MHz. its bus speed is 8 bytes and transfer rate is 2,133MBps. It has a dual-channel transfer rate of 4,266MBps. Its ECC (Error Correction Code) features prevent data corruption and system failure which is typically ideal for server machines. Has a data transfer rate of 266 Mhz.
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