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by Jenefey AaronUpdated on 2020-09-29 / Update for Mac OS

So you plugged in your Seagate hard drive into your Mac and it ain't showing up, right? Well, perhaps, the files and folders or the disk itself is unapproachable and therefore, your Mac was unable to detect the Seagate external hard drive. Consequently, the Seagate external hard drive not showing up on Mac Sierra! But worry no more, we've got your back! We are going to uncover some proven ways to fix Seagate hard drive not showing up Mac. Stay glued!

The best external hard drives and SSDs for Mac and PC users in 2020 By Matt Hanson 08 October 2020 Having the best external hard drive or SSD for your Mac or PC is essential if you have lots of creative work to store.

Part 1: Why Seagate External Hard Drive Not Showing up Mac?

How To Partition Seagate For Mac And Pc

Usually, when an external hard drive is plugged into Mac via a USB port, it gets mounted over the desktop. You can even find it under the Devices column on the left in the Finder. Just in case, your Seagate hard drive not showing up on Mac, there can be a number of reasons behind it. Here are they.

  • 1. Chances are that your hard drive may have been corrupted.
  • 2. Perhaps, it may not have been formatted properly.
  • 3. Maybe, the drive got broken internally due to physical damage.
  • 4. Or, your Seagate hard drive is faulty.
Seagate For Mac And Pc

Part 2: Quick Fix The Issue of Seagate Hard Drive Not Showing up Mac

1. Check If Connected Properly

First things first, check if the Seagate external hard drive that is not showing up Mac is properly plugged in to the USB port. It is one of the most notable reasons when Mac fails to mount the drive. If you are using an older Mac ensure that the drive is receiving enough power supply. Older Macs need a special USB power cable, which splits up into two USB connectors and both of which has to be plugged into the Mac.

2. Troubleshoot the Seagate Hard Drive

Seagate mac to windows

If the above mentioned solution brought you no good, then you need to troubleshoot the Seagate Hard Drive. Try reconnecting the hard drive into a different USB port and check if it shows up or not. If not, you should then plug it in a different Mac or Windows PC to check if it is the hard drive itself that is faulty.

3. Restart your Mac

Performing a restart has known to be an ideal solution to resolve various software glitches in the first place. If your Seagate external hard drive not showing up Mac Sierra, try restarting it with the help of the steps mentioned right below.

Hit on the 'Apple' icon available on the top left corner of your Mac screen and then opt for the 'Restart' option from the appearing drop down menu.

And

4. Fix The Seagate Hard Drive with Disk Utility

If the above methods were not able to produce good results for you, the next method to fix Seagate external hard drive not showing up Mac is via Disk Utility. Here's what you need to do.

Step 1: Launch the 'Spotlight search' by hitting the 'cmd + spacebar' key over your keyboard and punch in 'Disk Utility'. Hit the 'Return' key afterwards to launch the program.

Step 2: On the left panel of the Disk Utility, you'll be able to locate your Seagate hard drive. If your drive is there and not mounted, it should appear as greyed out. Select the drive and then opt for 'Mount' option. Once mounted, the drive will now turn to normal.

Step 3: If Seagate external hard drive not showing up on Mac yet, try running the First Aid and Erase options to fix or format the drive respectively.

Part 3: The Ultimate Way to Recover Files from Formatted Seagate External Hard Drive

Since, the Seagate hard drive has now been formatted and is now accessible on your Mac, the data stored over it have been wiped off completely. Now, if you wish to recover the data contained within the formatted Seagate external hard drive. We have brought you the ultimate way to serve the purpose. Tenorshare 4DDiG for Mac Data Recovery is your life saver when it comes to recovering data from various data loss scenarios. No matter if the data was stored over your Mac or over the external storage drive, Tenorshare 4DDiG for Mac Dasta Recovery can retrieve the lost data without any hassle.

Step 1: Install and launch the Tenorshare 4DDiG for Mac Data Recovery over your Mac and then opt for the desired location from where the data has been lost. Then hit the 'Scan' button to initiate scanning of lost data.

Formatting Seagate For Mac And Pc

Note: If you're recovering data over the macOS High Sierra system or higher, you need to grant access to Mac files by disabling SIP first.

Step 2: Soon after the scan completes, you will be allowed to preview the data detected for recovery. You can selectively check the categories or the individual files as well that you wish to recover. Once done, hit the 'Recover' button. Lastly, set the destination location and you're done.

Conclusion

Well, that was all about how to fix Seagate external hard drive not showing up on Mac Sierra. We are now positive that you've successfully got your issue resolved. And just in case, you need format your hard drive for some reason, you can always look up to the mighty tool Tenorshare 4DDiG for Mac Data Recovery to retrieve the lost data back.

Both Microsoft and Sony are making a big deal about the storage technology in their upcoming next-gen consoles. And they should. They’re both using cutting-edge NVMe SSDs that are an order of magnitude faster than what we had in the Xbox One or PlayStation 4. But this hardware comes with at least one major drawback: It’s expensive. That’s why the Xbox Series X comes with only a 1TB drive while the PlayStation 5 has a 825GB SSD. And if you want more on Xbox, that’s going to cost you $220 for the Seagate Storage Expansion Card.

What’s going on with that Seagate drive? Is it completely custom, or does it use some existing tech? And how can a hard drive possibly justify $220 for 1TB of storage?

Well, let’s get into all of that starting with this: The Seagate Expansion Card isn’t a hard drive. The new consoles do not use hard drives at all. That is an obsolete technology for gaming, and we’ve moved onto SSDs. I’m not gonna give anyone a hard time for conflating the terms, but it’s a bit like calling a Blu-ray disc a “floppy.”

Even an SSD doesn’t cost 22 cents per gigabyte these days, but again, Microsoft isn’t using a basic SSD. Thanks to AMD’s support for the fast PCIe 4 interface, the Xbox Series X uses a drive that is much faster than even the SSD you might have in your PC or Mac.

But we don’t have to take Microsoft’s word for it. Let’s take a look for ourselves.

The Xbox Series X Seagate Expansion Card teardown

Seagate Formatting For Both Mac And Pc Use

Microsoft sent me a Seagate Expansion Card with the preview version of the Xbox Series X hardware. And the tiny add-on is reminiscent of memory cards that you might have used on your PlayStation or Nintendo 64. But it does have a few notable and telling differences.

The card has a plastic sheath that wraps around a metal chassis. And while the metal starts off looking attractive, it has a tendency to look somewhat greasy or lubricated. But Microsoft and Seagate didn’t use the metal for show. That exists for spreading and routing heat out of the storage device.

The superfast NAND storage in modern SSDs can run hot, and so can a PCIe 4.0 controller chip. Microsoft’s engineers designed this to shift heat out of those components and into the Xbox for dissipation.

Let’s take a look inside to see exactly how that works.

Opening the Seagate Expansion Card

As one of the first people in the world with an Xbox Series X, I felt a responsibility to share as much info as possible about the device and its add-ons. And since I’m a grown man with an iFixit kit, I took charge of the situation and opened up the Expansion Card.

Shoutout to Jon over at Spawn Wave for giving me some pointers about this process.

I started by removing the plastic sheath, which clips around the metal. I then was able to pry apart the two pieces of the metal casing. This revealed the PCB screwed into one of the slabs.

After removing those screws, I found the heart of the Xbox Series X expansion storage.

That is a cluster of SK Hynix NAND Flash memory alongside a Phison PCIe 4.0 controller. Each of those components has a dab of thermal paste to create a strong connection to the surrounding metal.

So yes, the metal is definitely acting as part of the cooling for the Seagate Expansion Card. Expect this part of the card to get pretty hot — that’s normal. By getting hot, the metal is helping to vent the heat from the chips into the Xbox, and the Xbox can then push that heat up through its vent.

As for the chips themselves, the Phison controller is a welcome sight. This is its E19T PCIe Gen 4 controller, which is an early industry leader in reliable and speedy performance.

The memory itself is an SK Hynix 1TB chip. I’m not an expert on NAND, but I believe this is SK Hynix’s new 4D NAND, which stacks its memory cells in 128 layers. This is how Seagate was able to get 1TB of storage space onto a single chip inside such a tiny form factor.

And all of this sits on a printed circuit board that uses the CFexpress connection standard. You can see that in the picture below:

See how that matches up with a typical CFexpress card:

Standard CFexpress can transfer data at up to 4GB per second, but it’s possible that Microsoft’s custom implementation is faster. But 4GB per second would give enough room for the Phison E19T controller, which maxes out at about 3.75GB per second for read/write speeds.

Just tell me when it’s going to go down in price

After this teardown, the price of the 1TB Seagate Expansion Card seems fair. SK Hynix is selling a 1TB NVME SSD with read/writes of 3,500/3,200 MB per second for $135 that uses its 128-layer NAND. But that is in a larger form-factor PCIe 3.0 NVME. So it’s likely using two 500GB chips, and it definitely isn’t using the PCIe 4.0 Phison controller.

The Seagate’s $220 price makes sense when you factor in the increased performance and what is likely a custom implementation of CFexpress.

Mac

But fair price or not, $220 is a lot of money. Is it going to get more affordable in the future? It should. One of the major benefits of SK Hynix’s 128-layer NAND is that it significantly brings down productions costs. As manufacturing continues, the price of that Flash should come down quickly.

It’s also in Microsoft’s own interest to ensure you have enough storage. It wants you to subscribe to Game Pass, which has over 100 games. It doesn’t want you worrying about storage — it just wants you downloading the next game. So expect prices to come down.

I think we’ll see a 2TB option in the next year or so. The PCB seems like it may have room on the other side for another cluster of NAND. Maybe that launches at $220, and the 1TB option drops to something closer to $170.

So I would wait to buy expansion until you are sure you need it.

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