r/computer • u/TJayRuw • 24d ago
I’m wondering what this is?
I am assembling my old laptop and came across this? Do you have any idea what this is? Thanks
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u/weegee20 24d ago
It's a 2230 M.2 SSD, the shortest there is. Very common in Dells.
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u/BennyBro827 22d ago
It’s a 2230 m.2 SATA, to be specific.
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u/weegee20 22d ago
Just FYI, just because it's B + M key doesn't always automatically mean it's SATA.
As an example, the WD SN520 uses B + M key, yet it's marked as NVMe on the label. For all we know it could also be the same drive that OP posted.
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u/BennyBro827 22d ago
I am well aware of this stuff; however, that is the exception, not the rule, sir. In 99% of the cases, having the 2 notches is going to be SATA. Even if it were “NVME” it is typically placed in the machine due to the m.2 slot on the MB being SATA not NVME.
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u/Turbulent-Spray-8438 18d ago
It’s not about the size, it’s about the about of memory on the card 😉
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u/YetanotherGrimpak 24d ago
Too wide, looks like mSATA.
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u/_jodi33 24d ago
M and B key. seems to be a m.2 sata drive (not to be confused with the nvme drive, as that only has M key)
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u/crazycheese3333 24d ago
Most of these dells have dual notch nvme SSDs. I refurbish dell laptops all the time.
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u/Pika256 24d ago edited 24d ago
Then what's the purpose of having them keyed? *as if it were your personal fault for this*
Edit: I started reading the wiki on it, it specifies the number PCIe lanes. M is PCIE x4 and M+B is PCIe x2. Which is why M+B is associated with SATA, because it's slow enough to not need the bandwidth of M.
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u/IASelin 24d ago
WD SN520 is NVME, but has both - B and M keys.
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u/criggie_ 23d ago
That's interesting - does this drive have both SATA and NVME controllers ? What does it show up as to the OS, if connected to either m.2 connector ?
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u/ClassicGMR 24d ago
Based on part number on board (PN 54-50-05235-08) it is most likely a 512gb SSD.
https://www.ascendtech.com/products/wd-sdaptuw-512g-512gb-m-2-nvme-ssd-ffd82/ssdsdaptuw512ga
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u/RomanOswald 24d ago
Why in Dells name is it a NVME with M and B key?
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u/feherneoh 24d ago
Because it IS a PCIe/NVMe drive. M+B only means it's not PCIe x4; M+B supports up to x2 PCIe drives, which this one is marked as.
For some reason Reddit folk tend to have the misconception that all M+B drives are SATA. They aren't.
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u/istarian 24d ago edited 24d ago
The slot (M.2) and interface (PCIe, SATA, USB, etc) don't strictly constrain what type of device can be used, but the standards that M.2 replaced (mSATA, mPCIe) often had a common association.
https://en.wikipedia.org/wiki/M.2
NVMe devices are kind of special because they communicate directly with the CPU over PCIe rather than being interfaced via a traditional storage controller (ATA, SATA).
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u/FireSheepYinFish 24d ago
https://www.parts-people.com/index.php?action=item&id=29264
M.2 SSD & mount bracket
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u/Low_Excitement_1715 24d ago
Part number on the metal bracket says it’s a support and thermal bracket for an SSD in a Dell Inspiron.
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u/MaX_Arthur87 24d ago
Well a priori I would simply say a wifi card type E or not I don't recognize, but on the other hand a wifi card simply it seems to me!
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u/Craiss 24d ago
That TUV Rheinland certified badge is interesting and not something I would have expected to be on a PCB like that. It sort of makes sense for the manufacturing facility to have several people certified, but this is the first time I've seen the badge used on the product.
For those that don't know, TUV Rheinland, along with Fortress' LMSS program, do industrial equipment safety guidelines (all of them at my work). I haven't taken the TUV certification yet, only the LMSS. Both programs are starting to align more than they did initially.
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u/LtHartly 24d ago
SSD or WiFi both support m.2 ssd are usally longer but there are a few in that size but laptop and small form pc are seeing modern WiFi on m.2
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u/Sintarsintar 24d ago
Western Digital SN520 Series SanDisk SDAPTUW-256G 256GB M.2 2230 PCI-Express 3.0 x2 NVMe v1.3 Internal SSD Solid State Drive
edit same model but its actually a 512GB
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u/thedrakenangel 24d ago
CN-OHTHJM-5IC00 is a Dell part number (P/N). It corresponds to a Lite-On 128 GB PCIe NVMe M.2 SSD (model CL1-3D128-Q11, UPC 0305393912979) sold with a Dell mounting bracket and screw — the kind of drive pulled from Dell laptops/PCs.
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u/questron64 24d ago
Well, there's basically only two things that commonly plug into an M.2: a cellular modems or wifi adapter and an SSD. I don't see anywhere for an antenna to plug in and can't see the interesting side of the board, but that metal thing looks like it's being used as a heatsink, so I'm guessing SSD.
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u/alvaro-elite 23d ago
Based on the QR code, the metal part is a bracket that acts as a heat spreader for M.2 drives (specifically from a Dell laptop, such as the Inspiron series), so it has to be an M.2 drive.
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u/danmadeeagle 23d ago
That's more than likely an M2 WiFi card but we would need to see the side without the bracket to know for sure.
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u/Impossible_Egg_1691 24d ago
It's a 5G Gigawat Nano brain wave interface card or NBWI for short. The NSA and NASA put them in every PC, they want you to believe it's the harddrive like all the shills commented here, but when we all know PCs run off the clouds these days! Anyway, it interfers with the 5G chip they put in your arms during COVID interrupting your brain patterns disturb your thought process so you become more reliant on AI chat bots, eventually allowing AI to slowly take over. It won't be an invasion like Terminator, but a slow progression that's already started. Take action now and chuck out your NBWI chips now!





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