T420 ThinkPad RAM upgrade compatibility question?

[Ian Bruntlett]

Hi Liam,

On Tue, 15 Oct 2024 at 13:08, Liam Proven <lproven at gmail.com> wrote:

> On Sun, 13 Oct 2024 at 09:52, Ian Bruntlett <ian.bruntlett at gmail.com>
> wrote:
> >
> > I am buying some RAM to upgrade a lenovo T420 ThinkPad and wish to
> double check it is compatible...
>
> Not enough info. There are multiple models of T420. I personally own
> both a Core i5 model with no GPU, and a Core i7 with an nVidia GPU.
>
> FWIW my i7 machine has 16GB of RAM.
>
OK.  My initial post did cite quite a bit of information. See the bottom of
this email to see more details.

What kind of information am I missing?

TIA,


Ian












































*The upgrade RAM in question is listed as:"Timetec 16GB Kit (2x8GB) DDR3L/
DDR3 1600MHz PC3-12800 Unbuffered Non-ECC 1.35V CL11 2Rx8 Dual Rank 204 Pin
SODIMM Laptop Notebook Computer Memory RAM Module for Intel and
AMD"dmidecode on a T420 ThinkPad shows this information on the current
RAM:Handle 0x0006, DMI type 17, 28 bytesMemory DeviceArray Handle:
0x0005Error Information Handle: Not ProvidedTotal Width: 64 bitsData Width:
64 bitsSize: 4096 MBForm Factor: SODIMMSet: NoneLocator: ChannelA-DIMM0Bank
Locator: BANK 0Type: DDR3Type Detail: SynchronousSpeed: 1333
MT/sManufacturer: Hynix/HyundaiSerial Number: 621925BCAsset Tag:
9876543210Part Number: HMT351S6BFR8C-H9  Rank: UnknownHandle 0x0007, DMI
type 17, 28 bytesMemory DeviceArray Handle: 0x0005Error Information Handle:
Not ProvidedTotal Width: 64 bitsData Width: 64 bitsSize: 4096 MBForm
Factor: SODIMMSet: NoneLocator: ChannelB-DIMM0Bank Locator: BANK 2Type:
DDR3Type Detail: SynchronousSpeed: 1333 MT/sManufacturer:
Hynix/HyundaiSerial Number: 025B744EAsset Tag: 9876543210Part Number:
HMT351S6BFR8C-H9  Rank: Unknown*

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