Okay. Please help me as I ask COMPUTER BABBY QUESTIONS.
I have a Thinkpad T14 Gen 3 (AMD).
It has a 256 GB HD. That's too small. I want to buy a new, bigger one. I have a sense the good hard drives these days are "M.2".
Lenovo's specs page
https://www.lenovo.com/ca/en/p/laptops/thinkpad/thinkpadt/thinkpad-t14-gen-3-(14-inch-amd)/len101t0013
doesn't say anything about "M.2". It says the hd is "PCIe".
I run "lshw" to see what's on the computer. It says "NVMe".
How do I find out the bestest fastest aftermarket drive Canada Computers carries that my computer will support
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I only understand computation as the MANIPULATION OF ABSTRACT PLATONIC FORMS. I do not understand this realm where computers are "physical objects" you manipulate with "screwdrivers". I would prefer to use Math to translate my thoughts directly into action, as if I am casting magic spells
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Okay thank you all for explaining. I have one more question: Is there actually, like, a difference between drive vendors. Like if I pick WD vs Samsung vs Lexar (vs… "crucial"?!) will it ever make any difference
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@mcc Personally, I stick with drives manufactured by the companies which make their own flash: Intel (Solidigm), Kioxia (Toshiba), Micron (Crucial), Samsung, SK Hynix, and Western Digital (SanDisk).
There’s some difference between vendors, mostly in the controller firmware. This mostly matters in “enterprise” drives rather than consumer drives.
The much bigger difference is whether the drive has DRAM cache or not. In general, drives with DRAM have much higher random I/O performance than drives without it, and random performance equates to perceived “snappiness”.
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@mcc Of these, Intel (Solidigm), Kioxia (Toshiba), and SK Hynix make mostly datacenter drives. SK Hynix does make some OEM 2280 drives for laptop manufacturers, but they’re generally low capacity.
I’d go with Crucial (Micron’s consumer brand), Samsung, or Western Digital. Samsung was the brand to beat for a long time, but they’ve fallen lately.
WD’s drives perform well and you pay for it. Their fast drives need a heatsink (which laptops don’t generally have space for) and a lot of airflow.
Crucial’s drives have solidly middle-of-the-pack performance, but they don’t really need extra cooling. They’re also significantly cheaper than WD’s most of the time.
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@bob_zim Wait if I'm looking at a WD¹ how do I know if it's one of the ones that needs extra stuff like a heatsink
^ "Black SN770" (??) they also have a SN850x but it might be sold out.
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@mcc Mostly look at the box. Looks like the SN850x is offered with or without a heatsink. The SN770 just has a heat spreader label (no extra thickness).
In general, PCIe 4 drives put out an impressive amount of heat. They throttle themselves down when overheating, so they should never be significantly slower than a PCIe 3 drive.
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@mcc Looking a bit more into this, I wouldn’t bother with an SN850x in a laptop. That one seems like it’s more a desktop drive. Pretty much all the drives with available heatsinks (and most drives marketed towards gamers) are meant to be fast at the expense of power and heat.
I wish SSD reviews would include actual measured power draw at idle, power consumed to write 1 GB, 10 GB, 100 GB, power consumed to read 1 GB, 10 GB, 100 GB, and similar figures.
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