As new drivers are born into the market, it is hard to select the most suitable one for users. This article on MiniTool Website will develop around WD Blue SN550 vs SN570 and from different aspects, you can have an overall picture of their difference and decide which one you should buy.
WD Blue SN550 & SN570 Pros and Cons
WD Blue SN550 Pros and Cons
What’s good?
- Low and affordable prices make it competitive.
- It provides a 5-year warranty.
- It has competitive performance among the same-price goods.
- It has a single-sided PCB at all capacities.
What needs to be improved?
- The small SLC cache needs to be enhanced.
- Compared to its predecessor, it has slower direct-to-TLC write speeds.
- Power optimization on desktops could be better.
WD Blue SN570 Pros and Cons
What’s good?
- Still, the efficient and affordable price makes it competitive.
- It has a decent speed for a PCIe 3.0 SSD.
- It is supported by the software.
- It has a single-sided PCB at all capacities.
What needs to be improved?
- Small SLC cache.
- weak sustained write speed.
- Low write durability rating for a TLC-based drive.
- Low AS-SSD program load benchmark score.
WD Blue SN550 vs SN570
After knowing the pros and cons of WD Blue SN570 1TB vs WD Blue SN550 1TB, we will help you compare WD SN550 vs WD SN570 in their technical specifications.
Here are the details.
WD Blue SN570 Theoretical Specifications
Available Variants: 250GB – 1TB
Read/Write Speed (Sequential):
- Up to 3500 MB/s
- Up to 3000 MB/s
Power Consumption: 5.3 W Maximum
Random Read 4K, QD32 (IOPS):
- 250GB: Up to 190K
- 500GB: Up to 360K
- 1TB: Up to 460K
Random Write 4K, QD32 (IOPS):
- 250GB: Up to 210K
- 500GB: Up to 390K
- 1TB: Up to 450K
WD Blue SN550 Theoretical Specifications
Available Variants: 250GB – 2TB
Read/Write Speed (Sequential):
- Up to 2400 MB/s
- Up to 1950 MB/s
Power Consumption: 3.5 W Maximum
Random Read 4K, QD32 (IOPS):
- 250GB: Up to 165K
- 500GB: Up to 250K
- 1TB: Up to 345K
- 2TB: Up to 360K
Random Write 4K, QD32 (IOPS):
- 250GB: Up to 160K
- 500GB: Up to 175K
- 1TB: Up to 385K
- 2TB: Up to 384K
To better show you the direct result of these two drivers’ performance, this is a resulting comparison after a series of tests and examinations.
Sequential Read/Write Performance Scores
WD Blue SN570 1TB is better than WD Blue SN550 1TB
Random Read/Write Performance Scores
In general, WD Blue SN570 1TB is better than WD Blue SN550 1TB but the difference can be neglected.
Software booting time
Using WD Blue SN570 can shorten the booting time compared to WD Blue SN550.
Endurance
The SN550 is surprisingly giving us a higher MTBG rating which means it will be comparatively long-lasting.
Upgrade Hard Drive to SN550 or SN570
If you have decided which one you would like to choose, the next step is to upgrade your hard drive to another, so how to finish that?
MiniTool ShadowMaker can help you clone OS from HDD to SSD without data loss. Please download and install the program by clicking the following button, connect the SSD to your computer, and click Keep Trial to get into the program with a 30-day free trial.
MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 1: Go to the Tools tab and then Clone Disk.
Step 2: Choose the disk you want to clone and click Next to choose where to store the copy. Then click Start to begin the process.

Then follow the notifications to finish the clone.
Bottom Line:
After knowing the difference between WD Blue SN570 1TB and WD Blue SN550 1TB, you may have your own decision on which one of them you should buy. If you want to know more introduction to drivers, you can go to the MiniTool Website.
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