Voltage:
DDR2=1.8V, DDR3=1.5V,DDR3L=1.35V, DDR4=1.2V

frequency:
PC2-5300=DDR2 667Mhz CPU-Z detection shows: PC2 -667 (333MHz)

PC2-6400=DDR2 800Mhz CPU-Z detection shows: PC2 -800 (400MHz)

PC3-8500=DDR3 1066Mhz CPU-Z detection shows: PC3 -1066 (533MHz)

PC3-10600=DDR3 1333Mhz CPU-Z detection shows: PC3 -1333(667MHz)

PC3-12800=DDR3 1600MHZ CPU-Z detection shows: PC3 -12800 (800MHz)

PC4-19200=DDR4 2400Mhz CPU-Z detection shows: PC3 -2400 (1200MHz)

PC4-21300=DDR4 2666Mhz CPU-Z detection shows: PC3-2666(1333MHz)

PC4-25600=DDR4 3200MHZ CPU-Z detection shows: PC3 -3200 (1600MHz)

Why does my bios or diagnostics program (like CPU-Z) show my memory is working at half frequency?

The bios or diagnostic program usually reports the memory bus frequency, which is half the frequency for ddr type memory. Ddr (double data rate) the data rate provides twice the memory bus frequency. So if the memory bus speed is 800mhz and you are using DDR3-1600 memory, the ram is running at the correct speed.

interface:
DDR2 Laptop RAM 200PIN
DDR3 Laptop RAM 204PIN
DDR4 Laptop RAM 260PIN

DDR2 667MHZ CL = 5-5-5
DDR2 667MHZ CL = 6-6-6
DDR3 1600Mhz CL = 11-11-11
DDR3 1333Mhz CL = 9-9-9
DDR4 2400Mhz = 17-17-17
DDR4 2666Mhz = 19-19-19

According to different computer models, the CL value will change slightly, which will not affect the operation of the computer
Please make sure that the RAM and slot are cleaned up before installation, so as to avoid dust in the slot, resulting in poor contact between the RAM and the slot

Product Description
Tested works perfectly before shipping.
Support dual channel

DDR2 is a second-hand product
DDR3/DDR4 is a brand new product

Chipset Brand:SE/HY/Cru..Mic...

There are 8 or 16 chips, shipped randomly Colors are green and black, shipped randomly

Color: green, black (sent randomly)


Noticed:
1. Because of the arrival batches of different products, the production date and specific models and serial number is differnet. The picture shown on the mainsite is for referents. if there is fluctuation, according to the real object please!


About the compatibility questions .Please message for us freely


When place order, pls ensure the parameter, any problems, pls email us at the first time, we will provide the best services and products.