If i connect this drive to a tb3 port, what speed will i get?

This is one of the first USB-C 3.2 gen 2X2 devices on the market. SanDisk claims read/write speeds of up to 2GB/s, which is 16Gbps. Obviously, a 5Gbps USB 3.0 connection or a 10 Gbps USB 3.1/3.2 gen 2 connection won't be sufficient to support the drive's maximum bandwidth requirements. USB-C 3.2 gen 2X2 supports a speed of 20 Gbps, which is sufficient to support this drive. Unfortunately, very few computers and no USB hubs that I know of support the gen 2X2 standard yet. However, a TB3 port, with its speed of 40 Gbps, will support this drive at its maximum read/write speeds of 2GB/s. Right now, TB3 is the only way to get the rated speed out of it. Otherwise, you might as well get the old version.

Would a macbook pro 2013, read and write 2000 mb/s? or would i need a 2x2 ucb-c port? because i know it depends on the device/host to get the 2000mb/s

Macbook Pro 2013 (Retina, 13", late 2013) has two Thunderbolt 2 and two USB 3 Type A ports (or what is now called USB 3.2 Gen1). you should use the correct caps for the terms (e.g. MB/s vs Mb/s, etc), because they mean different things and people are often confused when x doesn't do y because of it. MB or GB is Mega or Giga "byte". Mb or Gb is Mega or Giga "bit". The Thunderbolt 2 ports have transfer speed up to 20Gb/s (equal to 2.5GB/s or 2500MB/s). The USB 3.2 Gen 1 Type A ports have transfer speed up to 5Gb/s (equal to 625MB/s). SanDisk Extreme Pro has capability of up to 2000MB/s (or 2GB/s) read/write, so to maximize read/write capability of the SanDisk you would want to use the Thunderbolt 2 ports. You'll need an USB C-Thunderbolt 2 adapter or USB C-Thunderbolt 2 cable, though. You can still use the USB 3.2 Gen 1 Type A port on the Macbook Pro 2013, but the bottle neck will be the 625MB/s transfer speed of the port versus the 2000MB/s read/write of the SanDisk drive.

No. It would easily fit in your shirt pocket and you might forget it was there. This is a very fast SSD external hard drive. If I purchase any more external hard drives, this one will probably be the one I purchase again. I highly recommend it. Having said that, I wouldn't give you two cents for their worthless customer support.

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BLAZING NV ME SPEED - Experience ultra-fast 2000MB/s read/write for seamless multitasking and rapid file transfers.
RUGGED ALUMINUM ARMOR - Forged aluminum chassis with silicone shell ensures premium durability and heat dissipation on the go.
UNIVERSAL COMPATIBILITY - Plug-and-play with Mac and PC via USB 3.2 Gen 2x2 and USB-C for ultimate convenience.
ADVENTURE READY PROTECTION - IP65-rated water and dust resistance plus 3-meter drop protection keeps your data safe anywhere.
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The SanDisk 4TB Extreme PRO Portable SSD delivers professional-grade NVMe performance with up to 2000MB/s speeds, housed in a rugged IP65-rated aluminum chassis that resists water, dust, and drops up to 3 meters. Designed for on-the-go professionals, it offers seamless compatibility with Mac and PC, backed by a 5-year warranty and smart file management via the SanDisk Memory Zone app.

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Hard Drive	4 TB Solid State Drive
Brand	SanDisk
Series	SanDisk Extreme PRO Portable SSD
Item model number	SDSSDE81-4T00-G25
Hardware Platform	Mac, PC
Item Weight	2.75 ounces
Product Dimensions	0.41 x 2.28 x 4.36 inches
Item Dimensions LxWxH	0.41 x 2.28 x 4.36 inches
Color	Black
Flash Memory Size	4
Hard Drive Interface	USB 3.2
Manufacturer	Western Digital Technologies, Inc.
Language	English
ASIN	B08RX3343D
Is Discontinued By Manufacturer	No
Date First Available	January 2, 2021

SanDisk 4TB Extreme PRO Portable SSD - Up to 2000MB/s - USB-C, USB 3.2 Gen 2x2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE81-4T00-G25

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