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Honor Student
Posts: 3
Member Since: ‎05-02-2016
Message 1 of 5 (183 Views)

RAM Upgrade - HP DV7 6C-80US

Product Name: HP DV7 6C-80US
Operating System: Microsoft Windows 7 (64-bit)



I have been using dv7-6C80US from last 3 yrs. I stay in India. Currently I am using laptop with 12 GB RAM ( 8 + 4 GB's) in both the DIMM's.

I would like to upgrade the RAM to 16GB. I knew the Max memory supported is 16GB. 


I have 8GB RAM (1.5V) in one of the DIMM's. Can If I use 1.35 V in combination with 1.5V


If Yes in this regard I was checking the Online stores, I see the DDR3 8GB RAM with 1.35V / low voltage. below are few models I was planning to buy. Please help me out and any suggestions would be highly appreciated.




Else Please suggest RAM Brand and Model with Voltage that would be compatible with my lappy.


Awaiting for replies.







0 Kudos
Posts: 34,774
Member Since: ‎11-12-2008
Message 2 of 5 (161 Views)

Re: RAM Upgrade - HP DV7 6C-80US

This is the specified memory module:


8-GB memory module for use only with computer models equipped with an Intel processor (DDR3, 10600, 1333-MHz) 634091-001




1.35 volt modules will also run at 1.5 volts. However, the voltage is only part of the equation. You also need to match density and latency. You also want to match the 2 modules as closely as possible so you have dual channel operation. Can you provide the specs of the 8 gig module you have? 


The Transcend looks to be compatible. 


If this is "the Answer" please click "Accept as Solution" to help others find it.  

Honor Student
Posts: 3
Member Since: ‎05-02-2016
Message 3 of 5 (152 Views)

Re: RAM Upgrade - HP DV7 6C-80US

Hello  Huffer,


Thanks for your reply. I have used CPUz to pull out the Memory details. Please find the same below.



Memory SPD

DIMM # 2
SMBus address 0x52
Memory type DDR3
Module format SO-DIMM
Manufacturer (ID) Kingston (7F980000000000000000)
Size 8192 MBytes
Max bandwidth PC3-12800 (800 MHz)
Part number 99U5428-063.A00LF
Serial number 170C0D8B
Manufacturing date Week 10/Year 14
Number of banks 8
Nominal Voltage 1.50 Volts
EPP no
XMP no
AMP no



Northbridge Intel Sandy Bridge rev. 09
Southbridge Intel HM65 rev. 05
Memory Type DDR3
Memory Size 12 GBytes
Channels Dual
Memory Frequency 665.1 MHz (1:5)
CAS# latency (CL) 9.0
RAS# to CAS# delay (tRCD) 9
RAS# Precharge (tRP) 9
Cycle Time (tRAS) 24
Command Rate (CR) 1T
Host Bridge 0x0104

MCHBAR I/O Base address 0x0FED10000
MCHBAR I/O Size 19456



Please suggest me RAM that is best for my laptop. I would like to buy from online in India.


Awaiting for replies






Posts: 34,774
Member Since: ‎11-12-2008
Message 4 of 5 (143 Views)

Re: RAM Upgrade - HP DV7 6C-80US

Honor Student
Posts: 3
Member Since: ‎05-02-2016
Message 5 of 5 (134 Views)

Re: RAM Upgrade - HP DV7 6C-80US

Thank you for the reply.. I found the same model with 8GB in Amazon.

I will place the order.


Appreciate your help.




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