Sn850x 40gbps enclosure Terribly slow Transfer Rate

Internal Drives WD_BLACK
1

Just purchased this Sn850x 8tb 2280 installed in a 40gbps Enclosure w/ genuine thunderbolt 4 cable. And I got it for coding/ programming BMW modules/ diagnosed BMW cars. I can’t understand why my tranfer speeds are 100 mbps at times.

IMG_5690
IMG_56903024×4032 1.76 MB

IMG_5687
IMG_56874032×3024 1.65 MB

2

IMG_5684
IMG_56844032×3024 2.08 MB

IMG_5685
IMG_56854032×3024 2.05 MB

3

Here

IMG_5667
IMG_56674032×3024 1.47 MB

IMG_5678
IMG_56784032×3024 1.86 MB

4

First picture is the WD Black SN850x 8tb in. 40gbps enclosure with a genuine Apple thunderbolt 4 cable.

Second picture is the SSD that is on the hard drive of the laptop
Lenovo yoga7i 16IRL8 1tb

IMG_5832
IMG_58324032×3024 1.93 MB

IMG_5833
IMG_58334032×3024 2.7 MB