647899-S21 HP 8GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM Single Rank Memory Module
$63.00
Manufacturer HP
Manufacturer Part # 647899-S21
Memory Type DDR3 SDRAM
Capacity 8GB
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 1
Voltage 1.5
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495605-B21 . Operates on 1.8 Volts within speeds between 533 and 800 MT/s (million transfers per second). This is a 8GB module. Has a Memory Bus Type of PC-5300. Registered ECC help prevent data corruption and maintain data integrity, usually used in servers. Has a data transfer rate of 667 Mhz.
395409-B21 . Is a DDR Module. DDR Modules run from 266 to 400 MT/s (million transfers per second) Has a total capacity of 4GB (Gigabytes). PC2700 memory has a chip type of DDR333, designed of use in systems with 166MHz. its bus speed is 8 bytes and transfer rate is 2,667MBps. It has a dual-channel transfer rate of 5,333MBps. Registered ECC help prevent data corruption and maintain data integrity, usually used in servers. The data transfer rate for this specific part is 333 Mhz.
The G.SKILL RipjawsX Series DDR3 memory kit is specially designed to complement dual-channel capable systems. It is tested under G.SKILL’s rigorous testing process to ensure the best performance, compatibility, and stability on both AMD and Intel systems. It delivers optimum speed and low latency, thus helping efficiently address the demanding needs in work and entertainment. And, it supports XMP 2.0 profiles for trouble-free automatic overclocking. The stylish heat spreader not only provides superior cooling efficiency, but also lets you show off your rig in style.
483401-B21 . Is a DDR2 Module. DDR2 Modules run from 533 to 800 MT/s (million transfers per second). This module has a total capacity of 2GB. Has a Memory Bus Type of PC-5300. 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. You can expect the data to transfer at a rate of 667 Mhz.
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