What’s the difference between the Transcend SSD220S and SSD230S?

Transcend has two similar SATA III 6Gb/s solid state drives with the SSD220S and SSD230S.

You can check out this comparison guide to see what the major differences are for these models.

Quick Summary

The Transcend SSD230S is faster than the Transcend SSD220S when it comes to maximum sequential reading and maximum random reading.

For the maximum sequential writing, the SSD230S is faster than the SSD220S when you compare similar capacities with the exception of the 960 GB SSD220S and 1 TB SSD230S (which have the same top write speeds).

For maximum random reading, the 120 GB SSD220S is faster than the 128 GB SSD230S. However, the 256 GB, 512 GB and 1 TB SSD230S SSDs are faster than the 240 GB, 480 GB and 960 GB SSDs.

While both storage drives have the same MTBF reliability rating, the SSD230S model does have a higher TBW endurance rating.

SSD220S vs. SSD230S Comparison Chart

You can take a look at Seeking Tech’s comparison table for the SSD220S and SSD230S below.

Capacity Options

Out of these products, the SSD230S offer bigger capacity options, including a 2 TB version.

You can take a look at the available capacity options for both below:

Transcend SSD220S:

• 120 GB
• 240 GB
• 480 GB
• 960 GB

Transcend SSD230S:

• 128 GB
• 256 GB
• 512 GB
• 1 TB
• 2 TB

Weight

The SSD230S is a little bit heavier when compared to the SSD220S.

You can check out the weight specifications below:

• Transcend SSD220S: 45 g (or 1.59 oz)
• Transcend SSD230S: 53 g (or 1.87 oz)

Dimensions

The two Transcend internal storage drives are identical when it comes to physical size with the following measurements:

• 100 mm x 69.85 mm x 6.8 mm (or 3.94″ x 2.75″ x 0.28″)

Memory Components

As for the memory components, the SSD220S and SSD230S are equipped with 3D NAND.

Maximum Sequential Read Speed

When you compare similar capacities, the 128 GB SSD230S is 60 MB per second faster, or 12% faster, than the 120 GB SSD220S at maximum sequential reading.

The 256 GB SSD230S is 30 MB per second faster, or 6% faster, than the 240 GB SSD220S.

The 512 GB SSD230S is 30 MB per second faster, or 5.66% faster, than the 480 GB SSD220S.

The 1 TB SSD230S is 10 MB per second faster, or 1.82% faster, than the 960 GB SSD220S.

You can check out the maximum sequential read speeds below:

• 120 GB SSD220S: Up to 500 MB per second
• 240 GB SSD220S: Up to 500 MB per second
• 480 GB SSD220S: Up to 530 MB per second
• 960 GB SSD220S: Up to 550 MB per second

• 128 GB SSD230S: Up to 560 MB per second
• 256 GB SSD230S: Up to 530 MB per second
• 512 GB SSD230S: Up to 560 MB per second
• 1 TB SSD230S: Up to 560 MB per second
• 2 TB SSD230S: Up to 560 MB per second

Maximum Sequential Write Speed

As for the maximum sequential writing, the 128 GB SSD230S is 80 MB per second faster, or 26.67% faster, than the 120 GB SSD220S.

The 256 GB version of the SSD230S is 70 MB per second faster, or 21.21% faster, than the 240 GB version of the SSD220S.

The 512 GB version of the SSD230S is 20 MB per second faster, or 4.17% faster, than the 480 GB version of the SSD220S.

The 960 GB SSD220S and 1 TB SSD230S have the same top speed in this category.

You can take a look at the maximum sequential write speeds below:

• 120 GB SSD220S: Up to 300 MB per second
• 240 GB SSD220S: Up to 330 MB per second
• 480 GB SSD220S: Up to 480 MB per second
• 960 GB SSD220S: Up to 500 MB per second

• 128 GB SSD230S: Up to 380 MB per second
• 256 GB SSD230S: Up to 400 MB per second
• 512 GB SSD230S: Up to 500 MB per second
• 1 TB SSD230S: Up to 500 MB per second
• 2 TB SSD230S: Up to 520 MB per second

Maximum Random Read Speed

When it comes to random reading, the 128 GB SSD230S is 7,000 IOPS faster, or 25% faster, than the 120 GB SSD220S.

The 256 GB SSD230S drive is 25,000 IOPS faster, or 62.5% faster, than the 240 GB SSD220S drive.

The 512 GB SSD230S drive is 30,000 IOPS faster, or 60% faster, than the 480 GB SSD220S drive.

The 1 TB SSD230S drive is 20,000 IOPS faster, or 30.77% faster, than the 960 GB SSD220S drive.

You can find the maximum random read speeds below:

• 120 GB SSD220S: Up to 28,000 IOPS
• 240 GB SSD220S: Up to 40,000 IOPS
• 480 GB SSD220S: Up to 50,000 IOPS
• 960 GB SSD220S: Up to 65,000 IOPS

• 128 GB SSD230S: Up to 35,000 IOPS
• 256 GB SSD230S: Up to 65,000 IOPS
• 512 GB SSD230S: Up to 80,000 IOPS
• 1 TB SSD230S: Up to 85,000 IOPS
• 2 TB SSD230S: Up to 85,000 IOPS

Maximum Random Write Speed

As for maximum random writing, the 120 GB SSD220S is 5,000 IOPS faster, or 7.14% faster, than the 128 GB SSD230S.

On the other hand, the 256 GB, 512 GB and 1 TB capacities of the SSD230S are 10,000 IOPS faster, or 13.33% faster, than the 240 GB, 480 GB and 960 GB capacities of the SSD220S.

You can check out the random write speeds below:

• 120 GB SSD220S: Up to 75,000 IOPS
• 240 GB SSD220S: Up to 75,000 IOPS
• 480 GB SSD220S: Up to 75,000 IOPS
• 960 GB SSD220S: Up to 75,000 IOPS

• 128 GB SSD230S: Up to 70,000 IOPS
• 256 GB SSD230S: Up to 85,000 IOPS
• 512 GB SSD230S: Up to 85,000 IOPS
• 1 TB SSD230S: Up to 85,000 IOPS
• 2 TB SSD230S: Up to 89,000 IOPS

Endurance (TBW)

The SSD230S model has better endurance when compared to the SSD220S model.

When comparing similar capacities, you should be able to write 30 TB more data with the 128 GB SSD230S than the 120 GB SSD220S.

You should also be able to write 60 TB more data with the 256 GB SSD230S than the 240 GB SSD220S.

Furthermore, you can write 120 TB more data with the 512 GB SSD230S than the 480 GB SSD220S.

Last but not least, you can write 240 TB more data with the 2 TB SSD230S than the 960 GB SSD220S.

You can find the endurance specs below:

• 120 GB SSD220S: 40 TB
• 240 GB SSD220S: 80 TB
• 480 GB SSD220S: 160 TB
• 960 GB SSD220S: 320 TB

• 128 GB SSD230S: 70 TB
• 256 GB SSD230S: 140 TB
• 512 GB SSD230S: 280 TB
• 1 TB SSD230S: 560 TB
• 2 TB SSD230S: 1120 TB

Reliability (MTBF)

The SSD220S and SSD230S have the same Mean Time Between Failures reliability rating of 2,000,000 hours.

General Features

When it comes to general features, the SSD230S is the only model to come with DDR3 DRAM Cache. Otherwise, the two products have identical features.

You can find the full feature lists below:

Transcend SSD220S:

• Advanced Garbage Collection
• DevSleep Mode
• LDPC Coding
• RAID Engine
• S.M.A.R.T.
• TRIM and NCQ Command

Transcend SSD230S:

• Advanced Garbage Collection
• DDR3 DRAM Cache
• DevSleep Mode
• LDPC Coding
• RAID Engine
• S.M.A.R.T.
• TRIM and NCQ Command

Operating Temperature Range

The Transcend internal storage drives have the same operating temperature range of 0°C (32°F) to 70°C (158°F).

Operating Voltage

The operation voltage for these devices is identical at 5V±5%.

Operating System Requirements

Both of the SSDs are compatible with the following operating systems:

• Microsoft Windows 7
• Microsoft Windows 8
• Microsoft Windows 10
• Linux Kernel 2.6.31 or later

Certifications

The two solid state drives in this comparison received the following certifications:

• CE
• FCC
• BSMIKC
• RCM

Warranty

The Transcend SSD220S SATA III 6Gb/s Solid State Drive includes a 3-year Limited Warranty while the Transcend SSD230S SATA III 6Gb/s Solid State Drive with a longer 5-year Limited Warranty.

Resources:

• https://www.transcend-info.com/Products/No-735
• https://us.transcend-info.com/Products/No-756