discuss.tchncs.de

FlanFlinger, to askelectronics in Radial resistors... has anybody seen these before?
@FlanFlinger@lemmy.ml avatar

I’ve had to buy some in the past for railway equipment, probably more 50’s/60’s than 70’s and 80’s

MapleEngineer, to askelectronics in Radial resistors... has anybody seen these before?
@MapleEngineer@lemmy.ca avatar

Digikey sells them.

Get ready for some sticker shock.

Bongo, to askelectronics in Radial resistors... has anybody seen these before?

Some TO-92 like package. Maybe nice expensive foil dudes.

teri, to askelectronics in Radial resistors... has anybody seen these before?

Cool, never saw any of those!

raisaab198, to askelectronics in Radial resistors... has anybody seen these before?

Yes in my uncle’s Radio

Brgor, to askelectronics in What type of connector is this ?

That’s a SAS connector, but unfortunately it won’t work with your computer without a SAS card called an HBA or Host Bus Adapter.

dankm, to askelectronics in What type of connector is this ?

That looks like one of the notebook SATA variants. It’s SATA & power combined in one connector, and passive adapters used to be readily available.

glibg10b,

SAS

SpaceNoodle, to askelectronics in What type of connector is this ?

Can you show us the other side of the drive? Curious what make/model this is supposed to be. Best guess is that this is yet another attempt by a PC manufacturer to sell un-upgradeable units that need to be either replaced as a whole, services only by then, or had at with wire snips and a soldering iron.

I’d say it’s time to carefully cut out that tab (leaving the keys intact), and to start being more careful about what you buy.

Tom, to askelectronics in What type of connector is this ?

SFF-8482, I think

Hyzerflip, to askelectronics in What type of connector is this ?

Pretty sure that is a SAS drive.

RAM,

I think you’re right :)

Will I be able to use it as with a sas to sata adaptor ?

dack,

No. SAS is a different protocol and requires a different host controller. SAS controllers can typically handle SATA drives, but not the other way around.

If this is for a server or desktop machine, you could install a PCIe SAS HBA.

SpaceMan9000,

Depends. If there’s a SATA logo on the front then yes.

If not it’s probably not supported.

SJ0,

Almost guaranteed that’s what it is.

A modern serial attached SCSI drive. It’s been a standard on servers for years.

SpaceNoodle, (edited ) to askelectronics in What type of connector is this ?

Looks like that’s actually “SATA Express,” which has lanes for both PCI and SATA - if you look at the other side of the connector (which you should have already shared!) you’ll see even more contacts. You can get either a PCI or SATA adapter in order to use the drive.

Edit: Probably SAS as others said. It uses the exact same connector, which is why I made that guess.

Devils69Advocate, to askelectronics in What type of connector is this ?

SAS connection - cdn.shopify.com/…/SAS_SATA_text_2_1024x1024.png?v…

You can connect a SATA drive to a SAS cable, but not a SAS drive to a SATA cable.

SpaceMan9000,

There are sas harddrives which support SATA. They are however very rare.

stickmanmeyhem, to askelectronics in What type of connector is this ?

It’s a 2.5” SAS drive. They’re usually used in servers and typically spin a lot faster than consumer SATA drives. You won’t be able to use it in your PC unless you buy an HBA card and some adapters.

RAM,

thank you :))

do you know why SAS HBAs are so expensive ? 🥲 is it possible to get a cheap one ?

cmnybo,

I got a used 8 port card from ebay for about $20 a few years ago. I had to flash different firmware to it using a DOS boot disk to disable raid though. It’s an obsolete card, but it’s been working fine in my NAS.

RAM,

I’ll try to look some more then :))

RAM, to askelectronics in What type of connector is this ?

Thanks for the help :)))

I’ll try to figure out what to do with them ^^

bekopharm, to askelectronics in What type of connector is this ?
@bekopharm@discuss.tchncs.de avatar

Why yes it’s a SAS drive. You can find that in some NAS models for home use too. Otherwise this is usually server land.

The thing with HBAs is that you usually only get virtual disks on the system side because the controller masks the real disks. This is not really needed any more since modern filesystems can do RAID functionality too - and even better and faster - but that does require direct access to the drive.

Many controllers can be patched though or come with a pass through (JBOD) mode out of the box, which allows you to use that kind of drive directly again. Such drives can be obtained used for cheap too so this may be a feasible option to extend the possible amount of drives for a desktop computer at home too a lot. Most controllers support 4-8 devices.

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