Joined in 2023 
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Now installing the kit 750-ABDF can be a real problem, as Dell provides no instructions with the kit, and the Dell instructional videos allegedly installing the kit are not helpful (worthless in my opinion), there is no instruction in the 5820T user manual, and I could not find any helpful stuff on the internet (specifically, where the cables connect to the system board. Don't forget that having ultimate external drive performance won't help the source drive be any faster than whatever its interface is limited to. The PCIe NVMe SSD drive FlexBay has the physical data and power connector to allow a SATA or SAS drive to be physically installed. However, the FlexBay is only configured to communicate with PCIe NVMe SSDs. SATA or SAS drives installed in this FlexBay will not work due to an incompatibility with the drive controller. This change of mind return policy is in addition to, and does not affect your rights under the Australian Consumer Law including any rights you may have in respect of faulty items.
M.2 SSD Enclosure for SATA SSD - USB 3.0 - External Drive
M.2 storage devices are classified numerically based on performance. The higher the Class, the faster the overall performance: I don't have any of the benchmark screen shots, I'd have to grab a virgin drive and test to snag them. I've got a Shinestar NVMe enclosure, but it tops out around 1GB and I know these drives go faster when plugged directly into an M2 slot. Generally if the drive is readable I'll boot off a custom WinPE disk I built and run USMT to salvage the user profile data to a compressed MIG store. Then I'll replace the drive or laptop, re-image, and restore the salvaged profile. So the faster the drive is the faster I can complete these tasks. Which makes users happier. I've been using a M2 Sata enclosure, but I also have 2.5" external cables that let me plug a 2.5" directly into a USB port.SIIG Full Speed M.2 M Key Nvme SSD to PCIe Adapter, PCI Express X16 Card with Heatsink, Supports Windows 7/8/ 10, Supports 2230, 2242, 2260, 2280 Form Factor M.2 SSDS
M.2 SATA SSD Docking And Cloning Icy Box External USB3.0, M.2 SATA SSD Docking And Cloning
Through a winding road of troubleshooting, I actually ended up with this and 2 competing products so I'll summarize all 3 here. Of all three the Shinestar M.2 was the hottest enclosure. Even just sitting idle the enclosure was uncomfortably hot to the touch. It also suffered from random disconnects and at times would not mount. This change of mind return policy is in addition to, and does not affect your rights under the Australian Consumer Law including any rights you may have in respect of faulty items. To return faulty items see our Returning Faulty Items policy. I work for a very large company and when an Exec wants that data, all the valid reasons in the world won't help you. So I needed the ability to shove the drive into an enclosure and access it. Yeah, thats pretty similar to the bench I did in the enclosure. Though for time I limited the run to 3 instead of 5.Dell Precision Workstation 5820 / 7820 / 7920 PCIe NVMe FlexBay Slots Will Not Detect SATA / SAS Drives BUT under heavy load it would disconnect 10/10 times after only a few seconds. Transferring files to and from the drive at the same time will trigger this, as well using it as a cache while video editing. The included cables were shorter than the ICY BOX and of poor quality. I actually couldn't get the included USB 3 cable to work at all unless I held it into my computer. At this point in my life I'm guessing my USB cable counter has likely surpassed 1000 cables and I have never had to do this before.
UGREEN M.2 NGFF SSD Aluminum Enclosure, USB C 3.1 M2 Caddy
Next is the fastest USB thumb drive I own. These predate me having the USB External M2 adapters. So I used to use them for salvage. Most of the time now they run various bootable things. But the read/write speeds are still impressive for a true USB Thumb drive. Sandisk Extreme 64GB (CZ80) I actually did a bunch cause it I was a bit bored at work. I did a Sandisk Extreme 64GB, Sandisk Ultra Flare 32GB, Samsung EVO 850 1TB 2.5", Intel SSD Pro 2500 256GB SATA too.This enclosure is also the fastest of the bunch, but only by about 15-20MB/s pure sequential with large files. M3X3 screw(most computers include these. These secure the Y1WJX M.2 drive carrier, or a 2.5" drive into 745TM) The original SATA protocol was designed to maximize the performance of platter (physical spinning) hard drives. With the proliferation of SSD drives, the SATA storage management protocol has become a limiting factor. The NVMe (Non-Volatile Memory) protocol has been designed for solid state drives and uses the PCIe bus for optimal performance. An M.2 drive may support SATA or PCIe/NVMe but not both. Depending on the drive, and what the computer can support, not all M.2 drives work in all computers. When you install the kit 750-ADBF necessary to upgrade to the M.2 NVMe SSDs, you will wind up with two (2) front flex Bay positions that will support a M.2 module (Kit 575-BBSH). What I found was that you now have two (2) flex bay positions that will not recognize SATA or SAS Hard drives. (I had three SATA hard drives installed and one empty flex bay position). Now I can only use two of the flex bay positions for the SATA hard drives. If you install a SATA HDD module in one of these front flex bays configured for M.2 module, you get a flashing amber LED on the flex bay "door" and the SATA drive is not shown in Computer Management.
M.2 NVME NGFF SSD Enclosure Adapter, Tool-free Lemorele M.2 NVME NGFF SSD Enclosure Adapter, Tool-free
UGREEN (this one) **** - The construction was fine, but by far the worst of the 3. It is slippery and feels like thin plastic. It flexes when you squeeze it, but does feel rigid enough to not snap in half. The others I felt safe dropping or even driving a car over. Definitely not the sentiment with this guy. Tool-less like the PLUGABLE, but clunkier to get in and out of. It also doesn't come with any thermal pads and of the 3 enclosures, it needs them the most. Without pads my drive was hitting 83c after just a few minutes of heavy load. With a 1mm pad on each side of the drive I could barely get it to hit 60c. This module contains - 1.M.2 Carrier; 2.Thermal Pads; 3.M.2 3.5" Module Bay; 4.Capacity Label sheet for M.2 CarrierWhen I got my PS5 I decided to go with a 2TB m.2 drive and an ASUS ROG Strix enclosure as external storage for my PS4 games. The enclosure was nice, and everything copied quite fast, but the drive would not stay connected during rest mode, forcing me to repair the drive every time the PS5 booted up, even with USB Power set to Always On. Researched the problem and discovered that, after some users did a ton of testing, only enclosures that use the ASM2362 control chip are fully compatible with the system for some reason, which the ASUS enclosure did not have. This one, it turns out, does! And I'm happy to say that after swapping the M.2 drive to this enclosure, it works perfectly with the PS5 and I have yet to have any disconnection problems. https://www.dell.com/support/article/us/en/04/sln313880/dell-precision-workstation-5820-7820-7920-pcie-nvme-flexbay-slots-will-not-detect-sata-sas-drives?lang=en
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