the Enclosure I got was a Sabrent so I just went ahead and got the same NVMe with it. I'm sure any would work though. Crucial has one for $99 that tops out at 2000MB/s which is more than the enclosure would see anyway, so there's a place to save money too.

https://www.amazon.com/Sabrent-Rocket-Internal-Performance-SB-ROCKET-1TB/dp/B07LGF54XR/ref=sxin_2_ac_d_pm?ac_md=3-1-QmV0d2VlbiAkMTAwIGFuZCAkMTUw-ac_d_pm&crid=2B5AHWMH0JKMA&keywords=sabrent+rocket&pd_rd_i=B07LGF54XR&pd_rd_r=0c643a38-08fa-4da3-b41b-60e79b5798d6&pd_rd_w=3GwcY&pd_rd_wg=eRndW&pf_rd_p=02e79b16-eab7-4369-852f-d04a58a4d9b5&pf_rd_r=6M5FE54TWXRW0MF2MPJZ&psc=1&qid=1573830743&sprefix=sabr%2Caps%2C195

And this is the enclosure I bought

https://www.amazon.com/Sabrent-EC-NVME-Aluminum-Enclosure-Nvme/dp/B07K4TZQ7D/ref=sr_1_3?crid=3HIP7EJCWFZVO&keywords=sabrent+nvme+enclosure&qid=1573830840&sprefix=sabrent+nvme+enc%2Caps%2C158&sr=8-3

Looks like it went up in price a little bit, I got mine for $35 at the time. but the total is looking like $164 for a 1TB which is still cheaper and faster than T5

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Its been a while since I've looked at them because mine works so well, but there's this too, looks prebuilt with the parts I linked to and uses their new enclosure which doesn't require a screwdriver, I might pick up one these up too. $150 for 1TB is pretty decent.

https://www.amazon.com/Sabrent-Rocket-External-Aluminum-SB-1TB-NVME/dp/B07X4BM6KH/ref=sr_1_14?crid=3HIP7EJCWFZVO&keywords=sabrent%2Bnvme%2Benclosure&qid=1573831136&sprefix=sabrent%2Bnvme%2Benc%2Caps%2C158&sr=8-14&th=1

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but this is a disclaimer, you'll only see the 980MB/s or so if use plug into a USB 3.1 (gen 2) and you'll only get 580MB/s if you plug into a 3.1 (gen 1) port